./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:06:37,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:06:37,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:06:37,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:06:37,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:06:37,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:06:37,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:06:37,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:06:37,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:06:37,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:06:37,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:06:37,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:06:37,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:06:37,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:06:37,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:06:37,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:06:37,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:06:37,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:06:37,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:06:37,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:06:37,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:06:37,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:06:37,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:06:37,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:06:37,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:06:37,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:06:37,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:06:37,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:06:37,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:06:37,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:06:37,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:06:37,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:06:37,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:06:37,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:06:37,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:06:37,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:06:37,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:06:37,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:06:37,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:06:37,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:06:37,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:06:37,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:06:37,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:06:37,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:06:37,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:06:37,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:06:37,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:06:37,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:06:37,175 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:06:37,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:06:37,175 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:06:37,175 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:06:37,177 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:06:37,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:06:37,177 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:06:37,177 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:06:37,177 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:06:37,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:06:37,178 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:06:37,178 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:06:37,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:06:37,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:06:37,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:06:37,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:06:37,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:06:37,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:06:37,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:06:37,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:06:37,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:06:37,182 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:06:37,182 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:06:37,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:06:37,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:06:37,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:06:37,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:06:37,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:06:37,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:37,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:06:37,184 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:06:37,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:06:37,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:06:37,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:06:37,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:06:37,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:06:37,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:06:37,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-23 14:06:37,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:06:37,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:06:37,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:06:37,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:06:37,518 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:06:37,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-23 14:06:40,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:06:41,060 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:06:41,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-23 14:06:41,083 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/d59e466cf/45e6b202287b4e88ae1483af5eeafcd2/FLAG6d041f5f6 [2022-11-23 14:06:41,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/d59e466cf/45e6b202287b4e88ae1483af5eeafcd2 [2022-11-23 14:06:41,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:06:41,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:06:41,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:41,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:06:41,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:06:41,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:41" (1/1) ... [2022-11-23 14:06:41,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fbd132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:41, skipping insertion in model container [2022-11-23 14:06:41,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:41" (1/1) ... [2022-11-23 14:06:41,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:06:41,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:06:41,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-23 14:06:42,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:43,021 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:06:43,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-23 14:06:43,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:43,305 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:06:43,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43 WrapperNode [2022-11-23 14:06:43,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:43,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:43,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:06:43,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:06:43,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,464 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1038 [2022-11-23 14:06:43,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:43,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:06:43,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:06:43,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:06:43,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:06:43,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:06:43,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:06:43,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:06:43,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (1/1) ... [2022-11-23 14:06:43,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:43,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:06:43,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:06:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:06:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-23 14:06:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-23 14:06:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 14:06:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-23 14:06:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:06:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:06:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:06:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 14:06:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 14:06:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 14:06:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-23 14:06:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-23 14:06:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-23 14:06:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:06:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:06:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:06:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-23 14:06:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-23 14:06:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:06:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:06:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:06:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:06:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-23 14:06:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-23 14:06:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 14:06:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 14:06:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-23 14:06:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-23 14:06:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:06:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:06:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-23 14:06:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-23 14:06:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:06:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:06:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:06:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 14:06:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 14:06:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:06:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:06:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 14:06:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 14:06:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-23 14:06:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-23 14:06:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:06:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:06:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:06:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-23 14:06:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-23 14:06:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 14:06:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 14:06:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 14:06:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 14:06:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-23 14:06:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-23 14:06:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-23 14:06:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-23 14:06:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-23 14:06:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-23 14:06:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:06:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-23 14:06:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-23 14:06:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-23 14:06:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-23 14:06:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-23 14:06:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-23 14:06:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 14:06:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 14:06:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:06:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:06:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:06:44,125 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:06:44,129 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:06:46,373 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:06:46,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:06:46,695 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:06:46,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:46 BoogieIcfgContainer [2022-11-23 14:06:46,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:06:46,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:06:46,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:06:46,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:06:46,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:41" (1/3) ... [2022-11-23 14:06:46,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530e58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:46, skipping insertion in model container [2022-11-23 14:06:46,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:43" (2/3) ... [2022-11-23 14:06:46,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530e58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:46, skipping insertion in model container [2022-11-23 14:06:46,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:46" (3/3) ... [2022-11-23 14:06:46,713 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-23 14:06:46,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:06:46,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-23 14:06:46,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:06:46,824 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@579a38e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:06:46,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-23 14:06:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 180 states have (on average 1.4277777777777778) internal successors, (257), 206 states have internal predecessors, (257), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-23 14:06:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:06:46,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:06:46,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:06:46,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:06:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:06:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1404588310, now seen corresponding path program 1 times [2022-11-23 14:06:46,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:06:46,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54694288] [2022-11-23 14:06:46,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:46,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:06:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:47,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:06:47,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54694288] [2022-11-23 14:06:47,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54694288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:06:47,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:06:47,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:06:47,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579073880] [2022-11-23 14:06:47,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:06:47,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:06:47,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:06:47,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:06:47,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:06:47,557 INFO L87 Difference]: Start difference. First operand has 305 states, 180 states have (on average 1.4277777777777778) internal successors, (257), 206 states have internal predecessors, (257), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:06:48,947 INFO L93 Difference]: Finished difference Result 612 states and 828 transitions. [2022-11-23 14:06:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:06:48,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-23 14:06:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:06:48,972 INFO L225 Difference]: With dead ends: 612 [2022-11-23 14:06:48,973 INFO L226 Difference]: Without dead ends: 307 [2022-11-23 14:06:48,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:06:48,993 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 7 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:06:48,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1065 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 14:06:49,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-11-23 14:06:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2022-11-23 14:06:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 181 states have (on average 1.4143646408839778) internal successors, (256), 207 states have internal predecessors, (256), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:06:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 407 transitions. [2022-11-23 14:06:49,096 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 407 transitions. Word has length 7 [2022-11-23 14:06:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:06:49,102 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 407 transitions. [2022-11-23 14:06:49,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 407 transitions. [2022-11-23 14:06:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:06:49,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:06:49,104 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:06:49,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:06:49,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:06:49,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:06:49,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1776314410, now seen corresponding path program 1 times [2022-11-23 14:06:49,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:06:49,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121444551] [2022-11-23 14:06:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:49,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:06:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:49,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:06:49,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121444551] [2022-11-23 14:06:49,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121444551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:06:49,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423110602] [2022-11-23 14:06:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:49,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:06:49,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:06:49,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:06:49,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:06:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:49,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:06:49,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:06:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:49,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:06:49,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423110602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:06:49,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:06:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 14:06:49,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545641040] [2022-11-23 14:06:49,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:06:49,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:06:49,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:06:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:06:49,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:06:49,948 INFO L87 Difference]: Start difference. First operand 303 states and 407 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:52,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:06:52,095 INFO L93 Difference]: Finished difference Result 307 states and 411 transitions. [2022-11-23 14:06:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:06:52,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 14:06:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:06:52,100 INFO L225 Difference]: With dead ends: 307 [2022-11-23 14:06:52,100 INFO L226 Difference]: Without dead ends: 306 [2022-11-23 14:06:52,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:06:52,102 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 127 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:06:52,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1472 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 14:06:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-23 14:06:52,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 302. [2022-11-23 14:06:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 181 states have (on average 1.408839779005525) internal successors, (255), 206 states have internal predecessors, (255), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:06:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2022-11-23 14:06:52,142 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 10 [2022-11-23 14:06:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:06:52,143 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2022-11-23 14:06:52,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2022-11-23 14:06:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:06:52,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:06:52,145 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:06:52,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:06:52,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:06:52,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:06:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:06:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash -768827867, now seen corresponding path program 1 times [2022-11-23 14:06:52,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:06:52,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956297604] [2022-11-23 14:06:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:52,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:06:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:06:52,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:06:52,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956297604] [2022-11-23 14:06:52,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956297604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:06:52,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:06:52,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:06:52,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397603880] [2022-11-23 14:06:52,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:06:52,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:06:52,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:06:52,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:06:52,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:06:52,568 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:06:53,495 INFO L93 Difference]: Finished difference Result 302 states and 406 transitions. [2022-11-23 14:06:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:06:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-23 14:06:53,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:06:53,498 INFO L225 Difference]: With dead ends: 302 [2022-11-23 14:06:53,499 INFO L226 Difference]: Without dead ends: 301 [2022-11-23 14:06:53,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:06:53,500 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:06:53,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:06:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-11-23 14:06:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2022-11-23 14:06:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 179 states have (on average 1.4078212290502794) internal successors, (252), 203 states have internal predecessors, (252), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:06:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 403 transitions. [2022-11-23 14:06:53,519 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 403 transitions. Word has length 11 [2022-11-23 14:06:53,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:06:53,519 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 403 transitions. [2022-11-23 14:06:53,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:06:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 403 transitions. [2022-11-23 14:06:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:06:53,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:06:53,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:06:53,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:06:53,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:06:53,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:06:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash -768789163, now seen corresponding path program 1 times [2022-11-23 14:06:53,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:06:53,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977353281] [2022-11-23 14:06:53,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:53,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:06:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:53,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:06:53,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977353281] [2022-11-23 14:06:53,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977353281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:06:53,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866365898] [2022-11-23 14:06:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:53,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:06:53,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:06:53,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:06:53,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:06:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:54,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:06:54,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:06:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:54,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:06:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:06:54,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866365898] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:06:54,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1472962828] [2022-11-23 14:06:54,304 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-23 14:06:54,304 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:06:54,310 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:06:54,316 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:06:54,317 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:06:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:06:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:06:55,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 14:06:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-11-23 14:06:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:55,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-11-23 14:06:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:06:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:56,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:06:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:57,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:06:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:57,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:06:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:57,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-23 14:06:58,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:06:58,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:06:58,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:06:58,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:06:58,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:06:58,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:06:58,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:58,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:06:58,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:06:58,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:06:58,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:06:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:58,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:58,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:58,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:06:58,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:06:58,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:06:59,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:59,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:59,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:06:59,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:06:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:06:59,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:06:59,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:06:59,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:00,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:07:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:00,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:00,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:07:00,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:07:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:00,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:07:00,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:07:00,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:00,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:07:00,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:00,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:01,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:07:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:01,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:01,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:07:01,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:07:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:01,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:01,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:01,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:01,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:07:01,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:07:01,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:07:01,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:07:02,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:07:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:02,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-11-23 14:07:02,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:07:03,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-23 14:07:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:03,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-11-23 14:07:03,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-23 14:07:07,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2057 treesize of output 2050 [2022-11-23 14:07:07,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2057 treesize of output 2050 [2022-11-23 14:07:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:07,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2065 treesize of output 2038 [2022-11-23 14:07:08,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:07:08,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:07:08,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:07:09,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:07:09,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:07:09,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-11-23 14:07:10,141 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-11-23 14:07:10,851 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:07:19,334 WARN L233 SmtUtils]: Spent 8.28s on a formula simplification. DAG size of input: 760 DAG size of output: 664 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:07:28,003 WARN L233 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:07:39,817 WARN L233 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:07:50,181 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 649 DAG size of output: 491 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:07:51,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1472962828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:51,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:07:51,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5] total 18 [2022-11-23 14:07:51,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296043222] [2022-11-23 14:07:51,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:51,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:07:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:07:51,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2022-11-23 14:07:51,129 INFO L87 Difference]: Start difference. First operand 299 states and 403 transitions. Second operand has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:08:00,037 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 552 DAG size of output: 466 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:06,231 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 554 DAG size of output: 468 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:13,717 WARN L233 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 551 DAG size of output: 471 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:21,191 WARN L233 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 553 DAG size of output: 473 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:27,533 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 568 DAG size of output: 482 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:08:38,710 INFO L93 Difference]: Finished difference Result 561 states and 755 transitions. [2022-11-23 14:08:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:08:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-23 14:08:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:08:38,714 INFO L225 Difference]: With dead ends: 561 [2022-11-23 14:08:38,714 INFO L226 Difference]: Without dead ends: 339 [2022-11-23 14:08:38,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 73.6s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:08:38,717 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 77 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:08:38,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1918 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-11-23 14:08:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-11-23 14:08:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 332. [2022-11-23 14:08:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 205 states have (on average 1.3853658536585365) internal successors, (284), 227 states have internal predecessors, (284), 79 states have call successors, (79), 32 states have call predecessors, (79), 32 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-23 14:08:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 441 transitions. [2022-11-23 14:08:38,789 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 441 transitions. Word has length 11 [2022-11-23 14:08:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:08:38,790 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 441 transitions. [2022-11-23 14:08:38,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:08:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 441 transitions. [2022-11-23 14:08:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 14:08:38,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:08:38,792 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:08:38,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:08:38,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:38,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:08:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:08:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1578982758, now seen corresponding path program 1 times [2022-11-23 14:08:39,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:08:39,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137712878] [2022-11-23 14:08:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:08:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 14:08:39,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:39,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137712878] [2022-11-23 14:08:39,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137712878] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:08:39,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919659671] [2022-11-23 14:08:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:39,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:39,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:08:39,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:08:39,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:08:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:39,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:08:39,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:08:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:08:39,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:08:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 14:08:39,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919659671] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:08:39,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [34671266] [2022-11-23 14:08:39,804 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-23 14:08:39,804 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:08:39,805 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:08:39,805 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:08:39,805 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:08:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:08:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:08:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-11-23 14:08:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-11-23 14:08:40,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 14:08:40,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:40,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:08:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:08:41,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-23 14:08:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:08:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:41,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:08:42,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:08:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:42,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:42,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:42,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:42,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:42,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:08:42,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:42,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:08:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:42,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:42,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:42,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:42,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:42,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:42,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:08:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:43,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:43,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:43,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:43,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:43,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:43,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:08:44,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:44,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:44,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:08:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:44,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:08:44,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:08:44,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:08:44,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:44,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:44,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:08:45,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:08:45,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:08:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:45,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-11-23 14:08:45,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:45,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:46,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2007 treesize of output 1980 [2022-11-23 14:08:47,124 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:08:47,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1999 treesize of output 2004 [2022-11-23 14:08:47,287 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:08:47,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1995 treesize of output 2000 [2022-11-23 14:08:53,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:53,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:53,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:08:53,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:08:53,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:53,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:08:53,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:08:53,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-11-23 14:08:53,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:08:55,002 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 165 for LOIs [2022-11-23 14:08:55,018 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-11-23 14:08:55,634 INFO L197 IcfgInterpreter]: Interpreting procedure zf_readw with input of size 163 for LOIs [2022-11-23 14:08:55,881 INFO L197 IcfgInterpreter]: Interpreting procedure outb with input of size 166 for LOIs [2022-11-23 14:08:55,899 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:09:03,924 WARN L233 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 760 DAG size of output: 664 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:12,542 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:24,103 WARN L233 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:37,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [34671266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:09:37,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:09:37,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 5, 5] total 27 [2022-11-23 14:09:37,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392648903] [2022-11-23 14:09:37,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:09:37,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-23 14:09:37,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:09:37,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-23 14:09:37,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:09:37,090 INFO L87 Difference]: Start difference. First operand 332 states and 441 transitions. Second operand has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:09:48,014 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 567 DAG size of output: 482 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:54,627 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 578 DAG size of output: 492 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:10:44,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:44,616 INFO L93 Difference]: Finished difference Result 667 states and 891 transitions. [2022-11-23 14:10:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 14:10:44,616 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 41 [2022-11-23 14:10:44,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:44,618 INFO L225 Difference]: With dead ends: 667 [2022-11-23 14:10:44,618 INFO L226 Difference]: Without dead ends: 359 [2022-11-23 14:10:44,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 90.6s TimeCoverageRelationStatistics Valid=203, Invalid=1437, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 14:10:44,621 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 123 mSDsluCounter, 3231 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:44,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 3569 Invalid, 1936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-23 14:10:44,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-11-23 14:10:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 349. [2022-11-23 14:10:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 219 states have (on average 1.3881278538812785) internal successors, (304), 241 states have internal predecessors, (304), 81 states have call successors, (81), 33 states have call predecessors, (81), 33 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-11-23 14:10:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 465 transitions. [2022-11-23 14:10:44,695 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 465 transitions. Word has length 41 [2022-11-23 14:10:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:44,696 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 465 transitions. [2022-11-23 14:10:44,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 12 states have internal predecessors, (24), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:10:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 465 transitions. [2022-11-23 14:10:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 14:10:44,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:44,699 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:44,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:44,900 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:10:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1985631042, now seen corresponding path program 1 times [2022-11-23 14:10:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120217786] [2022-11-23 14:10:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 14:10:45,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:45,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120217786] [2022-11-23 14:10:45,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120217786] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:45,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781012406] [2022-11-23 14:10:45,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:45,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:45,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:45,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:45,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:10:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:45,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:10:45,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:10:45,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 14:10:45,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781012406] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:45,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1230864594] [2022-11-23 14:10:45,716 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2022-11-23 14:10:45,716 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:45,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:45,717 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:45,717 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:10:46,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:10:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 253 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 379 [2022-11-23 14:10:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-11-23 14:10:46,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 14:10:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 456 [2022-11-23 14:10:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:46,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 106 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 168 [2022-11-23 14:10:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:10:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:10:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-23 14:10:47,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:10:47,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:47,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:48,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:10:48,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:10:48,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:48,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:10:48,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:48,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:48,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:48,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:49,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 257 [2022-11-23 14:10:49,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-23 14:10:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:49,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:49,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:49,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:49,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:50,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:10:50,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:50,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:50,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:50,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:50,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:50,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:50,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:50,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 120 [2022-11-23 14:10:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:50,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:50,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:50,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:10:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:50,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-23 14:10:50,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:10:50,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:10:51,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:51,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2022-11-23 14:10:51,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:52,514 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:10:52,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1999 treesize of output 2004 [2022-11-23 14:10:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2003 treesize of output 1976 [2022-11-23 14:10:52,765 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:10:52,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1995 treesize of output 2000 [2022-11-23 14:10:57,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:10:57,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:57,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:58,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:58,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:10:58,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 14:10:58,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-11-23 14:10:58,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:10:58,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-23 14:10:59,350 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 165 for LOIs [2022-11-23 14:10:59,367 INFO L197 IcfgInterpreter]: Interpreting procedure spin_lock_init with input of size 770 for LOIs [2022-11-23 14:10:59,982 INFO L197 IcfgInterpreter]: Interpreting procedure zf_readw with input of size 163 for LOIs [2022-11-23 14:11:00,325 INFO L197 IcfgInterpreter]: Interpreting procedure outb with input of size 166 for LOIs [2022-11-23 14:11:00,341 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:11:08,592 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 760 DAG size of output: 664 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:11:17,268 WARN L233 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 770 DAG size of output: 674 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:11:29,078 WARN L233 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 795 DAG size of output: 699 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:11:40,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1230864594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:11:40,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:11:40,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 5, 5] total 28 [2022-11-23 14:11:40,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955071362] [2022-11-23 14:11:40,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:11:40,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 14:11:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:11:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 14:11:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2022-11-23 14:11:40,269 INFO L87 Difference]: Start difference. First operand 349 states and 465 transitions. Second operand has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:12:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:12:33,204 INFO L93 Difference]: Finished difference Result 351 states and 467 transitions. [2022-11-23 14:12:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 14:12:33,204 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 43 [2022-11-23 14:12:33,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:12:33,205 INFO L225 Difference]: With dead ends: 351 [2022-11-23 14:12:33,205 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:12:33,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 100 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 86.7s TimeCoverageRelationStatistics Valid=215, Invalid=1591, Unknown=0, NotChecked=0, Total=1806 [2022-11-23 14:12:33,207 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:12:33,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 12 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-23 14:12:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:12:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:12:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:12:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:12:33,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-23 14:12:33,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:12:33,209 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:12:33,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 13 states have internal predecessors, (26), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:12:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:12:33,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:12:33,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-23 14:12:33,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-23 14:12:33,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-23 14:12:33,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-23 14:12:33,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-23 14:12:33,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-23 14:12:33,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-23 14:12:33,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-23 14:12:33,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-23 14:12:33,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-23 14:12:33,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-23 14:12:33,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-23 14:12:33,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:12:33,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:12:33,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:12:39,518 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 621 DAG size of output: 619 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:12:49,271 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 612 DAG size of output: 611 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:12:57,854 WARN L233 SmtUtils]: Spent 8.57s on a formula simplification. DAG size of input: 537 DAG size of output: 456 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:13:06,839 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 550 DAG size of output: 437 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:13:28,779 WARN L233 SmtUtils]: Spent 14.42s on a formula simplification. DAG size of input: 931 DAG size of output: 930 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:13:30,367 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-11-23 14:13:30,372 INFO L895 garLoopResultBuilder]: At program point spin_lock_initENTRY(lines 4153 4157) the Hoare annotation is: (let ((.cse6 ((as const (Array Int Int)) 0))) (let ((.cse3 (select |old(#memory_$Pointer$.base)| |~#zf_miscdev~0.base|)) (.cse14 (store .cse6 |~#zf_fops~0.offset| 0)) (.cse15 (+ |~#zf_fops~0.offset| 4)) (.cse16 (+ |~#zf_fops~0.offset| 12)) (.cse17 (+ |~#zf_fops~0.offset| 24)) (.cse18 (+ 40 |~#zf_fops~0.offset|)) (.cse19 (+ |~#zf_fops~0.offset| 48)) (.cse0 (select |old(#memory_int)| |~#zf_port_lock~0.base|)) (.cse22 (select |old(#memory_$Pointer$.offset)| |~#fixed_cdev~0.base|)) (.cse12 (+ |~#zf_miscdev~0.offset| 4)) (.cse25 (select |old(#memory_int)| |~#zf_lock~0.base|)) (.cse8 (select |old(#memory_int)| 6)) (.cse26 (select |old(#memory_$Pointer$.offset)| |~#zf_miscdev~0.base|)) (.cse4 (+ |~#zf_miscdev~0.offset| 8)) (.cse9 (select |old(#memory_$Pointer$.base)| |~#zf_notifier~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#fixed_cdev~0.base|)) (.cse23 (+ 4 |~#fixed_cdev~0.offset|)) (.cse7 (+ 4 |~#zf_timer~0.offset|)) (.cse27 (select |old(#memory_int)| |~#fixed_cdev~0.base|)) (.cse28 (select |old(#memory_int)| 1)) (.cse24 (select |old(#memory_int)| |~#zf_timer~0.base|)) (.cse13 (select |old(#memory_$Pointer$.offset)| |~#zf_notifier~0.base|)) (.cse10 (+ 4 |~#zf_notifier~0.offset|)) (.cse21 (select |old(#memory_int)| |~#kernel_lock~0.base|)) (.cse5 (select |old(#memory_int)| 17)) (.cse20 (select |old(#memory_int)| 16)) (.cse11 (select |old(#memory_int)| 18)) (.cse2 (select |old(#memory_int)| 15))) (or (not (= (select .cse0 (+ |~#zf_port_lock~0.offset| 4)) 0)) (not (= (select .cse1 |~#fixed_cdev~0.offset|) 0)) (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select .cse2 5) 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= |~#zf_fops~0.base| (select .cse3 .cse4))) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= (select .cse5 2) 73)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#cdev_registered~0.base|))) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select .cse2 1) 69)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= (select (select |old(#memory_$Pointer$.base)| |~#zf_timer~0.base|) .cse7) 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= (select .cse8 1) 80)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#registered_irq~0.base|))) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#shared_workqueue~0.base|))) (not (= (select |#valid| 40) 1)) (not (= (select .cse2 2) 83)) (not (= (select |#valid| 31) 1)) (not (= (select .cse9 .cse10) 0)) (not (= (select .cse11 3) 0)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#registered_pci_driver~0.base|))) (not (= 44 (select |#length| 4))) (not (= 14 (select .cse3 .cse12))) (not (= .cse6 (select |old(#memory_int)| |~#registered_pci_driver~0.base|))) (forall ((v_~bitwiseOr_127 Int)) (not (= (select |old(#memory_int)| |~#zf_info~0.base|) (store (store .cse6 |~#zf_info~0.offset| v_~bitwiseOr_127) (+ |~#zf_info~0.offset| 4) 1)))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse6 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= |#funAddr~zf_notify_sys.offset| (select .cse13 |~#zf_notifier~0.offset|))) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 77 (select .cse5 1))) (not (= 2 (select |#length| 1))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#cdev_registered~0.base|))) (not (= (select |#valid| 39) 1)) (not (= .cse6 (select |old(#memory_int)| |~#fixed_gendisk~0.base|))) (not (= (store (store (store (store (store .cse14 .cse15 |#funAddr~no_llseek.offset|) .cse16 |#funAddr~zf_write.offset|) .cse17 |#funAddr~zf_ioctl.offset|) .cse18 |#funAddr~zf_open.offset|) .cse19 |#funAddr~zf_close.offset|) (select |old(#memory_$Pointer$.offset)| |~#zf_fops~0.base|))) (not (= 71 (select .cse8 0))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#fixed_gendisk~0.base|))) (not (= 9 (select |#length| 14))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#genhd_registered~0.base|))) (not (= ~zf_expect_close~0 0)) (not (= (select .cse20 0) 83)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#genhd_registered~0.base|))) (not (= (select |#length| 33) 12)) (not (= 77 (select .cse20 1))) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= (select (select |old(#memory_int)| |~#zf_notifier~0.base|) (+ 8 |~#zf_notifier~0.offset|)) 0)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select (select |old(#memory_int)| |~#zf_is_open~0.base|) |~#zf_is_open~0.offset|) 0)) (not (= |~#kernel_lock~0.offset| |spin_lock_init_#in~lock.offset|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= (select .cse21 |~#kernel_lock~0.offset|) 0)) (not (= ~_ddv_module_author~0 .cse6)) (not (= (select |#valid| 25) 1)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select .cse22 .cse23) 0)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= 0 (select .cse24 |~#zf_timer~0.offset|))) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= (select .cse20 2) 73)) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#registered_pci_driver~0.base|))) (not (= (select .cse11 2) 73)) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= 76 (select .cse8 2))) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= (select |old(#memory_$Pointer$.base)| |~#zf_fops~0.base|) (store (store (store (store (store .cse14 .cse15 |#funAddr~no_llseek.base|) .cse16 |#funAddr~zf_write.base|) .cse17 |#funAddr~zf_ioctl.base|) .cse18 |#funAddr~zf_open.base|) .cse19 |#funAddr~zf_close.base|))) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#registered_irq~0.base|))) (not (= 78 (select .cse5 0))) (not (= (select (select |old(#memory_int)| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_genhd_registered~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= (select .cse0 |~#zf_port_lock~0.offset|) 0)) (not (= |~#kernel_lock~0.base| |spin_lock_init_#in~lock.base|)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#global_tty_driver~0.base|))) (not (= 0 ~fixed_cdev_used~0)) (not (= (select .cse22 |~#fixed_cdev~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (not (= (select .cse24 (+ 14 |~#zf_timer~0.offset|)) 0)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select (select |old(#memory_$Pointer$.base)| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#length| 35) 16)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|))) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= .cse6 (select |old(#memory_int)| |~#cdev_registered~0.base|))) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= (select .cse25 |~#zf_lock~0.offset|) 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse6 ~_ddv_module_param_action~0)) (not (= (select .cse26 .cse12) 0)) (not (= (select .cse25 (+ |~#zf_lock~0.offset| 4)) 0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#global_tty_driver~0.base|))) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= .cse6 (select |old(#memory_int)| |~#global_tty_driver~0.base|))) (not (= (select (select |old(#memory_$Pointer$.base)| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0)) (not (= ~number_fixed_genhd_used~0 0)) (not (= (select .cse8 3) 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#fixed_request_queue~0.base|))) (not (= (select .cse27 (+ 12 |~#fixed_cdev~0.offset|)) 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse6 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select .cse26 .cse4) |~#zf_fops~0.offset|)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= (select .cse9 |~#zf_notifier~0.offset|) |#funAddr~zf_notify_sys.base|)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select .cse28 0) 48)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= (select .cse2 3) 69)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= (select .cse1 .cse23) 0)) (not (= 82 (select .cse2 0))) (not (= |~#zf_fops~0.offset| 0)) (not (= 67 (select .cse11 1))) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#shared_workqueue~0.base|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#zf_timer~0.base|) .cse7) 0)) (not (= .cse6 (select |old(#memory_$Pointer$.base)| |~#fixed_gendisk~0.base|))) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select .cse27 (+ 8 |~#fixed_cdev~0.offset|)) 0)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select .cse28 1) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select .cse24 (+ 8 |~#zf_timer~0.offset|)) 0)) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= (select .cse24 (+ 12 |~#zf_timer~0.offset|)) 0)) (not (= 0 |~#zf_timer~0.offset|)) (not (= .cse6 (select |old(#memory_int)| |~#fixed_request_queue~0.base|))) (not (= (select .cse13 .cse10) 0)) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= .cse6 (select |old(#memory_$Pointer$.offset)| |~#fixed_request_queue~0.base|))) (not (= (select .cse21 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse5 3) 0)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)) (not (= (select (select |old(#memory_int)| |~#zf_miscdev~0.base|) |~#zf_miscdev~0.offset|) 130)) (not (= (select .cse20 3) 0)) (not (= (select .cse11 0) 83)) (not (= (select |old(#memory_int)| |~#genhd_registered~0.base|) .cse6)) (not (= (select .cse2 4) 84))))) [2022-11-23 14:13:30,372 INFO L902 garLoopResultBuilder]: At program point printkENTRY(lines 4480 4483) the Hoare annotation is: true [2022-11-23 14:13:30,372 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-11-23 14:13:30,372 INFO L902 garLoopResultBuilder]: At program point misc_deregisterENTRY(line 4524) the Hoare annotation is: true [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-11-23 14:13:30,373 INFO L902 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-11-23 14:13:30,373 INFO L902 garLoopResultBuilder]: At program point L1594-1(line 1594) the Hoare annotation is: true [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-11-23 14:13:30,373 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-23 14:13:30,374 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-23 14:13:30,374 INFO L902 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: true [2022-11-23 14:13:30,374 INFO L902 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: true [2022-11-23 14:13:30,374 INFO L902 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: true [2022-11-23 14:13:30,374 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-11-23 14:13:30,374 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-11-23 14:13:30,375 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-11-23 14:13:30,375 INFO L902 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: true [2022-11-23 14:13:30,375 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-23 14:13:30,375 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-11-23 14:13:30,375 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-11-23 14:13:30,375 INFO L902 garLoopResultBuilder]: At program point zf_pingENTRY(lines 1589 1620) the Hoare annotation is: true [2022-11-23 14:13:30,375 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-11-23 14:13:30,376 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-23 14:13:30,376 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-11-23 14:13:30,376 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-11-23 14:13:30,376 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-23 14:13:30,379 INFO L895 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0)) (.cse1 (select |#memory_int| |~#kernel_lock~0.base|))) (or (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#valid| 40) 1)) (not (= (select |#valid| 31) 1)) (not (= 2 |zf_readw_#in~port#1|)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= 44 (select |#length| 4))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse0 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 39) 1)) (not (= 9 (select |#length| 14))) (not (= ~zf_expect_close~0 0)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= (select |#length| 33) 12)) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= ~_ddv_module_author~0 .cse0)) (not (= (select |#valid| 25) 1)) (not (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~number_genhd_registered~0 0)) (not (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= 0 ~fixed_cdev_used~0)) (not (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select |#length| 35) 16)) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse0 ~_ddv_module_param_action~0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= ~number_fixed_genhd_used~0 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse0 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= |~#zf_fops~0.offset| 0)) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= 0 |~#zf_timer~0.offset|)) (= |zf_readw_#in~port#1| |zf_readw_~port#1|) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse1 |~#kernel_lock~0.offset|) 1)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)))) [2022-11-23 14:13:30,379 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-11-23 14:13:30,379 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-11-23 14:13:30,379 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-11-23 14:13:30,379 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L895 garLoopResultBuilder]: At program point L3963-4(line 3963) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0)) (.cse1 (select |#memory_int| |~#kernel_lock~0.base|))) (or (not (= (select |#length| 11) 43)) (not (= (select |#length| 6) 4)) (not (= |~#fixed_request_queue~0.offset| 0)) (not (= (select |#valid| 23) 1)) (not (= (select |#length| 8) 18)) (not (= 69 (select |#length| 13))) (not (= (select |#length| 22) 36)) (not (= 40 (select |#length| 43))) (not (= |~#tasklet_registered~0.base| 41)) (not (= 44 (select |#length| 10))) (not (= |~#cdev_registered~0.base| 36)) (not (= (select |#length| 27) 40)) (not (= 16 (select |#length| 31))) (not (= ~proc_root_driver~0.base 0)) (not (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#valid| 40) 1)) (not (= (select |#valid| 31) 1)) (not (= 2 |zf_readw_#in~port#1|)) (not (= 0 |~#fixed_cdev~0.offset|)) (not (= |~#global_tty_driver~0.offset| 0)) (not (= (select |#length| 28) 4)) (not (= 44 (select |#length| 4))) (not (= (select |#valid| 35) 1)) (not (= |~#registered_pci_driver~0.base| 39)) (not (= .cse0 ~_ddv_module_param_nowayout~0)) (not (= |~#kernel_lock~0.offset| 0)) (not (= (select |#length| 32) 100)) (not (= (select |#valid| 37) 1)) (not (= (select |#valid| 12) 1)) (not (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (not (= 2 (select |#length| 1))) (not (= (select |#valid| 39) 1)) (not (= 9 (select |#length| 14))) (not (= ~zf_expect_close~0 0)) (not (= 4 (select |#length| 18))) (not (= ~ddv_ioport_request_len~0 0)) (not (= (select |#valid| 43) 1)) (not (= 1460 (select |#length| 38))) (not (= (select |#length| 33) 12)) (not (= 0 |~#zf_notifier~0.offset|)) (not (= 6 (select |#length| 41))) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 34) 1)) (not (= 12 (select |#length| 34))) (not (= |~#zf_miscdev~0.base| 33)) (not (= 4 (select |#length| 16))) (not (= 43 |~#shared_workqueue~0.base|)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 37) 1280)) (not (= (select |#valid| 32) 1)) (not (= |~#registered_pci_driver~0.offset| 0)) (not (= 76 (select ~_ddv_module_license~0 2))) (not (= 236 (select |#length| 39))) (not (= (select |#valid| 46) 1)) (not (= (select |#valid| 3) 1)) (not (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (not (= (select |#valid| 45) 1)) (not (= ~_ddv_module_author~0 .cse0)) (not (= (select |#valid| 25) 1)) (not (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= (select |#valid| 20) 1)) (not (= |~#registered_irq~0.offset| 0)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= |~#tasklet_registered~0.offset| 0)) (not (= (select |#valid| 16) 1)) (not (= |~#zf_notifier~0.base| 34)) (not (= (select |#length| 7) 75)) (not (= 64 (select |#length| 36))) (not (= ~nowayout~0 0)) (not (= (select |#valid| 28) 1)) (not (= (select |#length| 29) 8)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 35 (select |#length| 24))) (not (= |~#zf_info~0.offset| 0)) (not (= (select |#valid| 0) 0)) (not (= (select |#valid| 27) 1)) (not (= |~#zf_timer~0.base| 31)) (not (= 42 |~#timer_registered~0.base|)) (not (= (select |#valid| 44) 1)) (not (= 31 (select |#length| 5))) (not (= 14 (select |#length| 23))) (not (= (select |#valid| 24) 1)) (not (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~number_genhd_registered~0 0)) (not (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0)) (not (= ~number_cdev_registered~0 0)) (not (= (select |#valid| 19) 1)) (not (= (select |#length| 44) 8)) (not (= 200 (select |#length| 46))) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 18 (select |#length| 2))) (not (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (not (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (not (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (not (= 0 ~fixed_cdev_used~0)) (not (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (not (= |~#fixed_request_queue~0.base| 45)) (and (= |zf_readw_inw_~port#1| |zf_readw_inw_#in~port#1|) (= 538 |zf_readw_inw_#in~port#1|) (not |zf_readw_inw_#t~short740#1|) (= |zf_readw_#in~port#1| |zf_readw_~port#1|)) (not (= (select |#length| 19) 40)) (not (= (select |#valid| 8) 1)) (not (= (select |#length| 35) 16)) (not (= (select |#length| 15) 6)) (not (= |~#timer_registered~0.offset| 0)) (not (= (select |#valid| 4) 1)) (not (= |~#zf_info~0.base| 27)) (not (= 32 |~#zf_fops~0.base|)) (not (= 460 (select |#length| 45))) (not (= |#NULL.base| 0)) (not (= 28 |~#zf_is_open~0.base|)) (not (= .cse0 ~_ddv_module_param_action~0)) (not (= |~#genhd_registered~0.base| 38)) (not (= 8 (select |#length| 30))) (not (= (select |#length| 17) 4)) (not (= |~#registered_irq~0.base| 40)) (not (= (select |#length| 21) 31)) (not (= 30 |~#zf_port_lock~0.base|)) (not (= ~zf_action~0 2048)) (not (= ~jiffies~0 0)) (not (= (select |#valid| 29) 1)) (not (= ~number_tasklet_registered~0 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 41) 1)) (not (= ~number_fixed_genhd_used~0 0)) (not (= |~#genhd_registered~0.offset| 0)) (not (= ~action~0 0)) (not (= (select |#valid| 14) 1)) (not (= ~ddv_ioport_request_start~0 0)) (not (= (select ~_ddv_module_license~0 1) 80)) (not (= .cse0 ~_ddv_module_description~0)) (not (= 0 |~#cdev_registered~0.offset|)) (not (= (select |#valid| 13) 1)) (not (= (select |#valid| 36) 1)) (not (= |~#fixed_gendisk~0.base| 37)) (not (= (select |#length| 9) 73)) (not (= (select |#valid| 38) 1)) (not (= (select ~_ddv_module_license~0 3) 0)) (not (= (select |#valid| 42) 1)) (not (= 22 (select |#length| 26))) (not (= |~#zf_lock~0.base| 29)) (not (= |~#zf_is_open~0.offset| 0)) (not (= (select |#valid| 33) 1)) (not (= |~#zf_lock~0.offset| 0)) (not (= |~#fixed_cdev~0.base| 35)) (not (= (select |#valid| 2) 1)) (not (= ~number_request_queue_used~0 0)) (not (= |~#kernel_lock~0.base| 44)) (not (= ~proc_root_driver~0.offset 0)) (not (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (not (= |~#zf_fops~0.offset| 0)) (not (= (select |#length| 12) 39)) (not (= (select |#length| 42) 4)) (not (= (select |#valid| 30) 1)) (not (= ~number_timer_registered~0 0)) (not (= (select |#length| 20) 58)) (not (= |~#zf_miscdev~0.offset| 0)) (not (= ~current_execution_context~0 1)) (not (= (select |#valid| 17) 1)) (not (= 44 (select |#length| 25))) (not (= (select |#valid| 9) 1)) (not (= 128 (select |#length| 40))) (not (= |~#fixed_gendisk~0.offset| 0)) (not (= 0 |~#zf_timer~0.offset|)) (not (= 71 (select ~_ddv_module_license~0 0))) (not (= |~#shared_workqueue~0.offset| 0)) (not (= (select .cse1 |~#kernel_lock~0.offset|) 1)) (not (= ~next_heartbeat~0 0)) (not (= (select |#valid| 18) 1)) (not (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0)) (not (= |~#global_tty_driver~0.base| 46)) (not (= |~#zf_port_lock~0.offset| 0)))) [2022-11-23 14:13:30,382 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L902 garLoopResultBuilder]: At program point zf_readwENTRY(lines 1467 1471) the Hoare annotation is: true [2022-11-23 14:13:30,382 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,382 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-11-23 14:13:30,382 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point L1543(line 1543) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point zf_timer_offENTRY(lines 1537 1554) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point spin_lockENTRY(lines 4159 4169) the Hoare annotation is: true [2022-11-23 14:13:30,383 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-11-23 14:13:30,383 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-23 14:13:30,383 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1705(lines 1690 1706) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-11-23 14:13:30,384 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,384 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:13:30,385 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-11-23 14:13:30,385 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-23 14:13:30,385 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-11-23 14:13:30,385 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-11-23 14:13:30,385 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,385 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-11-23 14:13:30,385 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-11-23 14:13:30,385 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-11-23 14:13:30,385 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-11-23 14:13:30,385 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,386 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-11-23 14:13:30,386 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,386 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-11-23 14:13:30,386 INFO L902 garLoopResultBuilder]: At program point L4508-2(line 4508) the Hoare annotation is: true [2022-11-23 14:13:30,386 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-11-23 14:13:30,386 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-11-23 14:13:30,386 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-11-23 14:13:30,387 INFO L902 garLoopResultBuilder]: At program point L1527-1(lines 1524 1531) the Hoare annotation is: true [2022-11-23 14:13:30,387 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-11-23 14:13:30,387 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-11-23 14:13:30,387 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-11-23 14:13:30,387 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-11-23 14:13:30,387 INFO L899 garLoopResultBuilder]: For program point L4517-2(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-11-23 14:13:30,388 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-11-23 14:13:30,388 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-11-23 14:13:30,389 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-11-23 14:13:30,389 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-11-23 14:13:30,389 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:13:30,389 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-11-23 14:13:30,389 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-11-23 14:13:30,389 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-11-23 14:13:30,389 INFO L902 garLoopResultBuilder]: At program point L1719-1(line 1719) the Hoare annotation is: true [2022-11-23 14:13:30,390 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-11-23 14:13:30,390 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:13:30,390 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,390 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,390 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,390 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,391 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-11-23 14:13:30,391 INFO L902 garLoopResultBuilder]: At program point outwENTRY(lines 3968 3970) the Hoare annotation is: true [2022-11-23 14:13:30,391 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-11-23 14:13:30,391 INFO L902 garLoopResultBuilder]: At program point outbENTRY(lines 3956 3958) the Hoare annotation is: true [2022-11-23 14:13:30,391 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-11-23 14:13:30,391 INFO L902 garLoopResultBuilder]: At program point add_timerENTRY(lines 4256 4263) the Hoare annotation is: true [2022-11-23 14:13:30,391 INFO L902 garLoopResultBuilder]: At program point spin_unlockENTRY(lines 4207 4214) the Hoare annotation is: true [2022-11-23 14:13:30,392 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-11-23 14:13:30,392 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2022-11-23 14:13:30,392 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-11-23 14:13:30,392 INFO L902 garLoopResultBuilder]: At program point release_regionENTRY(lines 3939 3949) the Hoare annotation is: true [2022-11-23 14:13:30,392 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-11-23 14:13:30,392 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-11-23 14:13:30,392 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-11-23 14:13:30,393 INFO L902 garLoopResultBuilder]: At program point spin_unlock_irqrestoreENTRY(lines 4216 4223) the Hoare annotation is: true [2022-11-23 14:13:30,393 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-11-23 14:13:30,393 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-11-23 14:13:30,393 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-11-23 14:13:30,393 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-11-23 14:13:30,393 INFO L902 garLoopResultBuilder]: At program point del_timerENTRY(lines 4271 4274) the Hoare annotation is: true [2022-11-23 14:13:30,393 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-11-23 14:13:30,394 INFO L902 garLoopResultBuilder]: At program point spin_lock_irqsaveENTRY(lines 4171 4181) the Hoare annotation is: true [2022-11-23 14:13:30,394 INFO L902 garLoopResultBuilder]: At program point zf_get_controlENTRY(lines 1506 1509) the Hoare annotation is: true [2022-11-23 14:13:30,394 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-11-23 14:13:30,394 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-11-23 14:13:30,394 INFO L902 garLoopResultBuilder]: At program point request_regionENTRY(lines 3925 3937) the Hoare annotation is: true [2022-11-23 14:13:30,394 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-11-23 14:13:30,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: false [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-11-23 14:13:30,395 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-11-23 14:13:30,396 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-11-23 14:13:30,397 INFO L895 garLoopResultBuilder]: At program point L3507(lines 3491 3509) the Hoare annotation is: false [2022-11-23 14:13:30,397 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: false [2022-11-23 14:13:30,397 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-11-23 14:13:30,397 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: false [2022-11-23 14:13:30,397 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-11-23 14:13:30,397 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-11-23 14:13:30,397 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-11-23 14:13:30,398 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-11-23 14:13:30,398 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: false [2022-11-23 14:13:30,398 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-11-23 14:13:30,398 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-11-23 14:13:30,398 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-11-23 14:13:30,398 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-11-23 14:13:30,398 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: false [2022-11-23 14:13:30,399 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-11-23 14:13:30,399 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-11-23 14:13:30,399 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-11-23 14:13:30,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-23 14:13:30,399 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-11-23 14:13:30,399 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: false [2022-11-23 14:13:30,399 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-11-23 14:13:30,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-23 14:13:30,400 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: false [2022-11-23 14:13:30,400 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-11-23 14:13:30,400 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-11-23 14:13:30,400 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: false [2022-11-23 14:13:30,400 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-11-23 14:13:30,400 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-11-23 14:13:30,401 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-11-23 14:13:30,401 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: false [2022-11-23 14:13:30,401 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: false [2022-11-23 14:13:30,401 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-11-23 14:13:30,401 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: false [2022-11-23 14:13:30,401 INFO L895 garLoopResultBuilder]: At program point L1798(lines 1798 1799) the Hoare annotation is: false [2022-11-23 14:13:30,401 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L895 garLoopResultBuilder]: At program point L1832(lines 1774 1833) the Hoare annotation is: false [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-11-23 14:13:30,402 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-11-23 14:13:30,403 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-11-23 14:13:30,403 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-11-23 14:13:30,403 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-11-23 14:13:30,403 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) the Hoare annotation is: false [2022-11-23 14:13:30,403 INFO L895 garLoopResultBuilder]: At program point L1803-1(lines 1803 1808) the Hoare annotation is: false [2022-11-23 14:13:30,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,404 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) the Hoare annotation is: false [2022-11-23 14:13:30,404 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-11-23 14:13:30,404 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-11-23 14:13:30,404 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-11-23 14:13:30,404 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: false [2022-11-23 14:13:30,404 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-11-23 14:13:30,404 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-11-23 14:13:30,405 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-11-23 14:13:30,405 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-11-23 14:13:30,405 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-11-23 14:13:30,405 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-11-23 14:13:30,405 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-11-23 14:13:30,405 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-11-23 14:13:30,405 INFO L902 garLoopResultBuilder]: At program point L1840(line 1840) the Hoare annotation is: true [2022-11-23 14:13:30,406 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-11-23 14:13:30,406 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-11-23 14:13:30,406 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-11-23 14:13:30,406 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-11-23 14:13:30,406 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-11-23 14:13:30,406 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-11-23 14:13:30,409 INFO L895 garLoopResultBuilder]: At program point L2667(line 2667) the Hoare annotation is: (let ((.cse1 ((as const (Array Int Int)) 0))) (let ((.cse0 (select |#memory_$Pointer$.offset| |~#fixed_cdev~0.base|)) (.cse6 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse17 (select |#memory_$Pointer$.base| |~#zf_miscdev~0.base|)) (.cse21 (store .cse1 |~#zf_fops~0.offset| 0)) (.cse22 (+ |~#zf_fops~0.offset| 4)) (.cse23 (+ |~#zf_fops~0.offset| 12)) (.cse24 (+ |~#zf_fops~0.offset| 24)) (.cse25 (+ 40 |~#zf_fops~0.offset|)) (.cse26 (+ |~#zf_fops~0.offset| 48)) (.cse18 (+ |~#zf_miscdev~0.offset| 8)) (.cse14 (select |#memory_int| 15)) (.cse5 (select |#memory_int| |~#fixed_cdev~0.base|)) (.cse2 (select |#memory_int| |~#zf_lock~0.base|)) (.cse15 (select |#memory_int| 17)) (.cse20 (select |#memory_$Pointer$.base| |~#fixed_cdev~0.base|)) (.cse7 (+ 4 |~#fixed_cdev~0.offset|)) (.cse9 (select |#memory_int| 18)) (.cse13 (select |#memory_int| 6)) (.cse27 (select |#memory_$Pointer$.offset| |~#zf_miscdev~0.base|)) (.cse19 (+ |~#zf_miscdev~0.offset| 4)) (.cse4 (select |#memory_int| |~#zf_port_lock~0.base|)) (.cse28 (select |#memory_int| 1)) (.cse12 (select |#memory_int| 16)) (.cse16 (select |#memory_$Pointer$.base| |~#zf_notifier~0.base|)) (.cse11 (+ 4 |~#zf_notifier~0.offset|)) (.cse3 (select |#memory_int| |~#zf_timer~0.base|)) (.cse10 (select |#memory_$Pointer$.offset| |~#zf_notifier~0.base|)) (.cse8 (+ 4 |~#zf_timer~0.offset|))) (and (= (select .cse0 |~#fixed_cdev~0.offset|) 0) (= 64 (select |#length| 36)) (= .cse1 (select |#memory_int| |~#fixed_gendisk~0.base|)) (= 12 (select |#length| 34)) (= |~#zf_fops~0.offset| 0) (= 0 ~fixed_cdev_used~0) (= |~#shared_workqueue~0.offset| 0) (= (select |#length| 37) 1280) (= .cse1 (select |#memory_int| |~#global_tty_driver~0.base|)) (= (select .cse2 |~#zf_lock~0.offset|) 0) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= (select (select |#memory_$Pointer$.offset| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0) (= (select .cse3 |~#zf_timer~0.offset|) 0) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (= (select .cse4 |~#zf_port_lock~0.offset|) 0) (= (select .cse5 (+ 8 |~#fixed_cdev~0.offset|)) 0) (= ~number_request_queue_used~0 0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select .cse6 |~#kernel_lock~0.offset|) 0) (= (select |#valid| 26) 1) (= ~zf_action~0 2048) (= (select |#length| 32) 100) (= |~#timer_registered~0.offset| 0) (= (select .cse0 .cse7) 0) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (= |~#global_tty_driver~0.offset| 0) (= .cse1 (select |#memory_int| |~#cdev_registered~0.base|)) (= .cse1 (select |#memory_int| |~#fixed_request_queue~0.base|)) (= |~#zf_timer~0.base| 31) (= .cse1 (select |#memory_$Pointer$.base| |~#fixed_gendisk~0.base|)) (= 76 (select ~_ddv_module_license~0 2)) (= (select (select |#memory_$Pointer$.offset| |~#zf_timer~0.base|) .cse8) 0) (= (select |#valid| 38) 1) (= 43 |~#shared_workqueue~0.base|) (= .cse1 ~_ddv_module_param_nowayout~0) (= ~ddv_ioport_request_len~0 0) (= (select |#memory_$Pointer$.base| |~#registered_pci_driver~0.base|) .cse1) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse9 2) 73) (= .cse1 (select |#memory_$Pointer$.base| |~#cdev_registered~0.base|)) (= .cse1 (select |#memory_int| |~#genhd_registered~0.base|)) (= (select .cse6 (+ |~#kernel_lock~0.offset| 4)) 0) (exists ((v_~bitwiseOr_127 Int)) (= (store (store .cse1 |~#zf_info~0.offset| v_~bitwiseOr_127) (+ |~#zf_info~0.offset| 4) 1) (select |#memory_int| |~#zf_info~0.base|))) (= (select (select |#memory_$Pointer$.base| |~#timer_registered~0.base|) |~#timer_registered~0.offset|) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (= (select |#valid| 11) 1) (= (select .cse10 .cse11) 0) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (= |~#zf_notifier~0.base| 34) (= 77 (select .cse12 1)) (= ~current_execution_context~0 1) (= 76 (select .cse13 2)) (= ~ddv_ioport_request_start~0 0) (= (select |#length| 28) 4) (= 128 (select |#length| 40)) (= (select .cse14 0) 82) (= .cse1 (select |#memory_$Pointer$.base| |~#genhd_registered~0.base|)) (= .cse1 ~_ddv_module_param_action~0) (= 78 (select .cse15 0)) (= ~proc_root_driver~0.offset 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#genhd_registered~0.base|)) (= ~_ddv_module_author~0 .cse1) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (= .cse1 (select |#memory_$Pointer$.base| |~#global_tty_driver~0.base|)) (= |#funAddr~zf_notify_sys.base| (select .cse16 |~#zf_notifier~0.offset|)) (= (select .cse17 .cse18) |~#zf_fops~0.base|) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (= (select .cse14 2) 83) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (= (select |#valid| 7) 1) (= (select .cse12 0) 83) (= (select |#valid| 18) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= .cse1 (select |#memory_$Pointer$.offset| |~#fixed_gendisk~0.base|)) (= .cse1 (select |#memory_$Pointer$.offset| |~#registered_pci_driver~0.base|)) (= 28 |~#zf_is_open~0.base|) (= (select .cse17 .cse19) 14) (= (select |#length| 20) 58) (= (select .cse9 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#fixed_request_queue~0.base|)) (= (select .cse20 |~#fixed_cdev~0.offset|) 0) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (= (select |#valid| 24) 1) (= .cse1 ~_ddv_module_description~0) (= (select |#memory_$Pointer$.base| |~#zf_fops~0.base|) (store (store (store (store (store .cse21 .cse22 |#funAddr~no_llseek.base|) .cse23 |#funAddr~zf_write.base|) .cse24 |#funAddr~zf_ioctl.base|) .cse25 |#funAddr~zf_open.base|) .cse26 |#funAddr~zf_close.base|)) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#memory_$Pointer$.offset| |~#zf_fops~0.base|) (store (store (store (store (store .cse21 .cse22 |#funAddr~no_llseek.offset|) .cse23 |#funAddr~zf_write.offset|) .cse24 |#funAddr~zf_ioctl.offset|) .cse25 |#funAddr~zf_open.offset|) .cse26 |#funAddr~zf_close.offset|)) (= (select |#valid| 44) 1) (= (select .cse14 3) 69) (= ~jiffies~0 0) (= (select .cse15 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#registered_irq~0.base|)) (= (select .cse3 (+ 14 |~#zf_timer~0.offset|)) 0) (= (select .cse13 1) 80) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= |~#zf_fops~0.offset| (select .cse27 .cse18)) (= (select ~_ddv_module_license~0 3) 0) (= .cse1 (select |#memory_$Pointer$.offset| |~#shared_workqueue~0.base|)) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= .cse1 (select |#memory_int| |~#registered_pci_driver~0.base|)) (= .cse1 (select |#memory_$Pointer$.offset| |~#global_tty_driver~0.base|)) (= (select |#valid| 39) 1) (= 84 (select .cse14 4)) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (= (select .cse12 2) 73) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= (select .cse14 5) 0) (= |~#tasklet_registered~0.offset| 0) (= (select .cse3 (+ 12 |~#zf_timer~0.offset|)) 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= (select .cse9 0) 83) (= 44 (select |#length| 10)) (= (select (select |#memory_int| |~#zf_miscdev~0.base|) |~#zf_miscdev~0.offset|) 130) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= (select .cse15 2) 73) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= (select .cse14 1) 69) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= (select .cse5 (+ 12 |~#fixed_cdev~0.offset|)) 0) (= |~#genhd_registered~0.base| 38) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0) (= (select .cse2 (+ |~#zf_lock~0.offset| 4)) 0) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= 77 (select .cse15 1)) (= (select .cse13 0) 71) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~next_heartbeat~0 0) (= (select (select |#memory_int| |~#zf_notifier~0.base|) (+ 8 |~#zf_notifier~0.offset|)) 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select .cse20 .cse7) 0) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (= (select .cse28 0) 48) (= .cse1 (select |#memory_$Pointer$.base| |~#fixed_request_queue~0.base|)) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (= .cse1 (select |#memory_$Pointer$.base| |~#shared_workqueue~0.base|)) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= 67 (select .cse9 1)) (= (select .cse13 3) 0) (= (select .cse27 .cse19) 0) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (= (select .cse4 (+ |~#zf_port_lock~0.offset| 4)) 0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= (select .cse28 1) 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select .cse12 3) 0) (= (select .cse16 .cse11) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select .cse3 (+ 8 |~#zf_timer~0.offset|)) 0) (= (select .cse10 |~#zf_notifier~0.offset|) |#funAddr~zf_notify_sys.offset|) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (= (select (select |#memory_int| |~#zf_is_open~0.base|) |~#zf_is_open~0.offset|) 0) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= .cse1 (select |#memory_$Pointer$.offset| |~#cdev_registered~0.base|)) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= (select (select |#memory_$Pointer$.base| |~#zf_timer~0.base|) .cse8) 0) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (= (select |#memory_$Pointer$.base| |~#registered_irq~0.base|) .cse1)))) [2022-11-23 14:13:30,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,410 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-11-23 14:13:30,410 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: false [2022-11-23 14:13:30,410 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-11-23 14:13:30,410 INFO L902 garLoopResultBuilder]: At program point L1842-1(lines 1836 1843) the Hoare annotation is: true [2022-11-23 14:13:30,411 INFO L895 garLoopResultBuilder]: At program point L2767(line 2767) the Hoare annotation is: false [2022-11-23 14:13:30,411 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-11-23 14:13:30,411 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-11-23 14:13:30,412 INFO L895 garLoopResultBuilder]: At program point L2669-5(lines 2669 2671) the Hoare annotation is: (let ((.cse159 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse158 ((as const (Array Int Int)) 0))) (let ((.cse0 (= 64 (select |#length| 36))) (.cse1 (= 12 (select |#length| 34))) (.cse2 (= (select |#length| 37) 1280)) (.cse3 (= 1460 (select |#length| 38))) (.cse4 (= (select |#valid| 30) 1)) (.cse5 (= 1 (select |#valid| 5))) (.cse6 (= (select |#length| 3) 12)) (.cse7 (= (select |#valid| 15) 1)) (.cse8 (= 22 (select |#length| 26))) (.cse9 (= 35 (select |#length| 24))) (.cse10 (= 4 (select |#length| 16))) (.cse11 (= (select |#length| 22) 36)) (.cse12 (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset)) (.cse13 (= (select ~_ddv_module_license~0 1) 80)) (.cse14 (= 18 (select |#length| 2))) (.cse15 (= (select |#length| 9) 73)) (.cse16 (= (select |#valid| 26) 1)) (.cse17 (= (select |#length| 32) 100)) (.cse18 (= (select |#length| 35) 16)) (.cse19 (= (select |#length| 6) 4)) (.cse20 (= (select |#valid| 35) 1)) (.cse21 (= (select |#valid| 9) 1)) (.cse22 (= 76 (select ~_ddv_module_license~0 2))) (.cse23 (= (select |#valid| 38) 1)) (.cse24 (= .cse158 ~_ddv_module_param_nowayout~0)) (.cse25 (= (select |#valid| 40) 1)) (.cse26 (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|)) (.cse27 (= (select .cse159 (+ |~#kernel_lock~0.offset| 4)) 0)) (.cse28 (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset)) (.cse29 (= (select |#valid| 11) 1)) (.cse30 (= (select |#valid| 27) 1)) (.cse31 (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base)) (.cse32 (= (select |#valid| 33) 1)) (.cse33 (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|)) (.cse34 (= (select |#length| 28) 4)) (.cse35 (= 128 (select |#length| 40))) (.cse36 (= .cse158 ~_ddv_module_param_action~0)) (.cse37 (= ~proc_root_driver~0.offset 0)) (.cse38 (= ~_ddv_module_author~0 .cse158)) (.cse39 (= ~proc_root_driver~0.base 0)) (.cse40 (= |~#registered_pci_driver~0.base| 39)) (.cse41 (= |~#zf_is_open~0.offset| 0)) (.cse42 (= 8 (select |#length| 30))) (.cse43 (= 42 |~#timer_registered~0.base|)) (.cse44 (= 2 (select |#length| 1))) (.cse45 (= 0 |~#fixed_cdev~0.offset|)) (.cse46 (= (select |#length| 7) 75)) (.cse47 (= (select |#length| 12) 39)) (.cse48 (= ~number_timer_registered~0 0)) (.cse49 (= (select |#valid| 3) 1)) (.cse50 (= 71 (select ~_ddv_module_license~0 0))) (.cse51 (= (select |#valid| 7) 1)) (.cse52 (= (select |#valid| 18) 1)) (.cse53 (= (select .cse159 |~#kernel_lock~0.offset|) 1)) (.cse54 (= |~#fixed_request_queue~0.base| 45)) (.cse55 (= (select |#valid| 22) 1)) (.cse56 (= 28 |~#zf_is_open~0.base|)) (.cse57 (= (select |#length| 20) 58)) (.cse58 (= 236 (select |#length| 39))) (.cse59 (= |~#zf_lock~0.base| 29)) (.cse60 (= (select |#valid| 24) 1)) (.cse61 (= .cse158 ~_ddv_module_description~0)) (.cse62 (= |~#kernel_lock~0.base| 44)) (.cse63 (= (select |#valid| 45) 1)) (.cse64 (= (select |#valid| 43) 1)) (.cse65 (= (select |#valid| 44) 1)) (.cse66 (= ~jiffies~0 0)) (.cse67 (= |~#registered_irq~0.offset| 0)) (.cse68 (= (select |#valid| 12) 1)) (.cse69 (= (select |#valid| 32) 1)) (.cse70 (= (select ~_ddv_module_license~0 3) 0)) (.cse71 (= 6 (select |#length| 41))) (.cse72 (= ~number_tasklet_registered~0 0)) (.cse73 (= (select |#valid| 39) 1)) (.cse74 (= (select |#valid| 28) 1)) (.cse75 (= |~#zf_info~0.offset| 0)) (.cse76 (= |~#kernel_lock~0.offset| 0)) (.cse77 (= (select |#length| 17) 4)) (.cse78 (= (select |#valid| 37) 1)) (.cse79 (= (select |#length| 27) 40)) (.cse80 (= (select |#length| 15) 6)) (.cse81 (= |~#tasklet_registered~0.offset| 0)) (.cse82 (= (select |#valid| 4) 1)) (.cse83 (= (select |#length| 42) 4)) (.cse84 (= 44 (select |#length| 10))) (.cse85 (= ~zf_expect_close~0 0)) (.cse86 (= 460 (select |#length| 45))) (.cse87 (= 16 (select |#length| 31))) (.cse88 (= 30 |~#zf_port_lock~0.base|)) (.cse89 (= |~#zf_info~0.base| 27)) (.cse90 (= (select |#valid| 1) 1)) (.cse91 (= 44 (select |#length| 4))) (.cse92 (= (select |#valid| 20) 1)) (.cse93 (= (select |#valid| 41) 1)) (.cse94 (= 31 (select |#length| 5))) (.cse95 (= 32 |~#zf_fops~0.base|)) (.cse96 (= |~#fixed_cdev~0.base| 35)) (.cse97 (= (select |#valid| 21) 1)) (.cse98 (= |~#zf_miscdev~0.offset| 0)) (.cse99 (= |~#tasklet_registered~0.base| 41)) (.cse100 (= |~#genhd_registered~0.base| 38)) (.cse101 (= (select |#length| 44) 8)) (.cse102 (= (select |#valid| 14) 1)) (.cse103 (= (select |#valid| 42) 1)) (.cse104 (= (select |#length| 19) 40)) (.cse105 (= 9 (select |#length| 14))) (.cse106 (= (select |#valid| 0) 0)) (.cse107 (= ~next_heartbeat~0 0)) (.cse108 (= (select |#valid| 25) 1)) (.cse109 (= 4 (select |#length| 18))) (.cse110 (= (select |#length| 11) 43)) (.cse111 (= (select |#valid| 2) 1)) (.cse112 (= (select |#valid| 46) 1)) (.cse113 (= 0 |~#cdev_registered~0.offset|)) (.cse114 (= |#NULL.offset| 0)) (.cse115 (= (select |#valid| 36) 1)) (.cse116 (= ~nowayout~0 0)) (.cse117 (= (select |#valid| 23) 1)) (.cse118 (= |~#zf_miscdev~0.base| 33)) (.cse119 (= 69 (select |#length| 13))) (.cse120 (= |~#global_tty_driver~0.base| 46)) (.cse121 (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|)) (.cse122 (= |~#zf_lock~0.offset| 0)) (.cse123 (= (select |#valid| 19) 1)) (.cse124 (= (select |#valid| 31) 1)) (.cse125 (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|)) (.cse126 (= (select |#valid| 34) 1)) (.cse127 (= (select |#valid| 16) 1)) (.cse128 (= |~#zf_port_lock~0.offset| 0)) (.cse129 (= (select |#valid| 6) 1)) (.cse130 (= |~#fixed_request_queue~0.offset| 0)) (.cse131 (= ~number_cdev_registered~0 0)) (.cse132 (= |~#registered_irq~0.base| 40)) (.cse133 (= |~#genhd_registered~0.offset| 0)) (.cse134 (= ~number_fixed_genhd_used~0 0)) (.cse135 (= 0 |~#zf_notifier~0.offset|)) (.cse136 (= 14 (select |#length| 23))) (.cse137 (= (select |#length| 33) 12)) (.cse138 (= (select |#valid| 29) 1)) (.cse139 (= (select |#length| 8) 18)) (.cse140 (= 40 (select |#length| 43))) (.cse141 (= ~action~0 0)) (.cse142 (= 200 (select |#length| 46))) (.cse143 (= (select |#valid| 17) 1)) (.cse144 (= (select |#valid| 10) 1)) (.cse145 (= (select |#valid| 8) 1)) (.cse146 (= 0 |~#zf_timer~0.offset|)) (.cse147 (= (select |#valid| 13) 1)) (.cse148 (= |~#cdev_registered~0.base| 36)) (.cse149 (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|)) (.cse150 (< 0 |#StackHeapBarrier|)) (.cse151 (= (select |#length| 21) 31)) (.cse152 (= ~number_genhd_registered~0 0)) (.cse153 (= |~#fixed_gendisk~0.base| 37)) (.cse154 (= 44 (select |#length| 25))) (.cse155 (= |~#fixed_gendisk~0.offset| 0)) (.cse156 (= |#NULL.base| 0)) (.cse157 (= (select |#length| 29) 8))) (or (and (<= 0 |~#global_tty_driver~0.offset|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 ~ddv_ioport_request_len~0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= ~zf_action~0 2048) .cse18 .cse19 .cse20 .cse21 (<= |~#zf_fops~0.offset| 0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (<= |~#zf_notifier~0.base| 34) .cse29 (<= 0 |~#shared_workqueue~0.offset|) .cse30 .cse31 .cse32 .cse33 (<= |~#global_tty_driver~0.offset| 0) .cse34 (<= 0 ~ddv_ioport_request_start~0) .cse35 (<= |~#zf_timer~0.base| 31) .cse36 (<= 34 |~#zf_notifier~0.base|) .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 (<= |~#shared_workqueue~0.base| 43) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= |~#registered_pci_driver~0.offset| 0) .cse46 .cse47 .cse48 (<= 0 |~#registered_pci_driver~0.offset|) .cse49 .cse50 (<= |~#timer_registered~0.offset| 0) .cse51 (<= ~ddv_ioport_request_start~0 0) .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 (<= |~#shared_workqueue~0.offset| 0) .cse77 .cse78 .cse79 .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 (<= |ULTIMATE.start_init_kernel_~i~1#1| 2147483647) .cse104 .cse105 .cse106 (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) .cse107 .cse108 .cse109 .cse110 .cse111 .cse112 .cse113 .cse114 .cse115 .cse116 (<= 2048 ~zf_action~0) .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 (<= 0 |~#zf_fops~0.offset|) .cse124 .cse125 .cse126 .cse127 .cse128 (<= 0 ~fixed_cdev_used~0) .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 (<= 0 |~#timer_registered~0.offset|) .cse135 .cse136 .cse137 .cse138 (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) .cse139 .cse140 .cse141 .cse142 .cse143 .cse144 .cse145 .cse146 .cse147 .cse148 .cse149 .cse150 .cse151 .cse152 .cse153 .cse154 .cse155 .cse156 .cse157 (<= 0 ~number_request_queue_used~0)) (and .cse0 .cse1 (= |~#zf_fops~0.offset| 0) (= 0 ~fixed_cdev_used~0) (= |~#shared_workqueue~0.offset| 0) .cse2 .cse3 .cse4 .cse5 (= |~#registered_pci_driver~0.offset| 0) .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) (= ~number_request_queue_used~0 0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (= ~zf_action~0 2048) .cse17 (= |~#timer_registered~0.offset| 0) .cse18 .cse19 .cse20 .cse21 (= |~#global_tty_driver~0.offset| 0) (= |~#zf_timer~0.base| 31) .cse22 .cse23 (= 43 |~#shared_workqueue~0.base|) .cse24 (= ~ddv_ioport_request_len~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (= |~#zf_notifier~0.base| 34) (= ~current_execution_context~0 1) (= ~ddv_ioport_request_start~0 0) .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79 .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111 .cse112 .cse113 .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 .cse124 .cse125 .cse126 .cse127 .cse128 .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138 .cse139 .cse140 .cse141 .cse142 .cse143 .cse144 .cse145 .cse146 .cse147 .cse148 .cse149 .cse150 .cse151 .cse152 .cse153 .cse154 .cse155 .cse156 .cse157)))) [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-11-23 14:13:30,413 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-11-23 14:13:30,415 INFO L895 garLoopResultBuilder]: At program point L1778(line 1778) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (<= 0 |~#global_tty_driver~0.offset|) (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (<= 0 ~ddv_ioport_request_len~0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (<= ~zf_action~0 2048) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (<= |~#zf_fops~0.offset| 0) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (<= |~#zf_notifier~0.base| 34) (= (select |#valid| 11) 1) (<= 0 |~#shared_workqueue~0.offset|) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (<= |~#global_tty_driver~0.offset| 0) (= (select |#length| 28) 4) (<= 0 ~ddv_ioport_request_start~0) (= 128 (select |#length| 40)) (= ~_ddv_module_init~0.offset |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.offset|) (<= |~#zf_timer~0.base| 31) (= .cse0 ~_ddv_module_param_action~0) (<= 34 |~#zf_notifier~0.base|) (= ~proc_root_driver~0.offset 0) (= ~_ddv_module_author~0 .cse0) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= ~_ddv_module_init~0.base |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.base|) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (<= |~#shared_workqueue~0.base| 43) (<= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (<= 0 |~#registered_pci_driver~0.offset|) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (<= |~#timer_registered~0.offset| 0) (= (select |#valid| 7) 1) (<= ~ddv_ioport_request_start~0 0) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= 28 |~#zf_is_open~0.base|) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= ~jiffies~0 0) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (<= |~#shared_workqueue~0.offset| 0) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= |~#tasklet_registered~0.offset| 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= 44 (select |#length| 10)) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= |~#genhd_registered~0.base| 38) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) (= ~next_heartbeat~0 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ (- 2) (* |ULTIMATE.start_init_kernel_~i~1#1| 6) |~#tasklet_registered~0.offset|)) 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (<= 2048 ~zf_action~0) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (<= 0 |~#zf_fops~0.offset|) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (<= 0 ~fixed_cdev_used~0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (<= 0 |~#timer_registered~0.offset|) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (<= 0 ~number_request_queue_used~0))) [2022-11-23 14:13:30,416 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-11-23 14:13:30,416 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-11-23 14:13:30,416 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-11-23 14:13:30,416 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-11-23 14:13:30,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-23 14:13:30,416 INFO L895 garLoopResultBuilder]: At program point L1812(lines 1812 1813) the Hoare annotation is: false [2022-11-23 14:13:30,417 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-11-23 14:13:30,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-23 14:13:30,417 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-11-23 14:13:30,417 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: false [2022-11-23 14:13:30,419 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (<= 0 |~#global_tty_driver~0.offset|) (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (<= 0 ~ddv_ioport_request_len~0) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (<= ~zf_action~0 2048) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (<= |~#zf_fops~0.offset| 0) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (<= |~#zf_notifier~0.base| 34) (= (select |#valid| 11) 1) (<= 0 |~#shared_workqueue~0.offset|) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (<= |~#global_tty_driver~0.offset| 0) (= (select |#length| 28) 4) (<= 0 ~ddv_ioport_request_start~0) (= 128 (select |#length| 40)) (= ~_ddv_module_init~0.offset |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.offset|) (<= |~#zf_timer~0.base| 31) (= .cse0 ~_ddv_module_param_action~0) (<= 34 |~#zf_notifier~0.base|) (= ~proc_root_driver~0.offset 0) (= ~_ddv_module_author~0 .cse0) (= ~proc_root_driver~0.base 0) (= |~#registered_pci_driver~0.base| 39) (= |~#zf_is_open~0.offset| 0) (= 8 (select |#length| 30)) (= ~_ddv_module_init~0.base |ULTIMATE.start_##fun~~TO~int_#in~#fp#1.base|) (= 42 |~#timer_registered~0.base|) (= 2 (select |#length| 1)) (= 0 |~#fixed_cdev~0.offset|) (<= |~#shared_workqueue~0.base| 43) (<= |~#registered_pci_driver~0.offset| 0) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= ~number_timer_registered~0 0) (<= 0 |~#registered_pci_driver~0.offset|) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (<= |~#timer_registered~0.offset| 0) (= (select |#valid| 7) 1) (<= ~ddv_ioport_request_start~0 0) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= |~#fixed_request_queue~0.base| 45) (= (select |#valid| 22) 1) (= 28 |~#zf_is_open~0.base|) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= |~#zf_lock~0.base| 29) (<= ~current_execution_context~0 1) (<= 1 ~current_execution_context~0) (<= 31 |~#zf_timer~0.base|) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= |~#kernel_lock~0.base| 44) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= ~jiffies~0 0) (= |~#registered_irq~0.offset| 0) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= ~number_tasklet_registered~0 0) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= |~#zf_info~0.offset| 0) (= |~#kernel_lock~0.offset| 0) (<= |~#shared_workqueue~0.offset| 0) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= |~#tasklet_registered~0.offset| 0) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= 44 (select |#length| 10)) (= ~zf_expect_close~0 0) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= 30 |~#zf_port_lock~0.base|) (= |~#zf_info~0.base| 27) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= 32 |~#zf_fops~0.base|) (= |~#fixed_cdev~0.base| 35) (= (select |#valid| 21) 1) (= |~#zf_miscdev~0.offset| 0) (= |~#tasklet_registered~0.base| 41) (= |~#genhd_registered~0.base| 38) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (<= 43 |~#shared_workqueue~0.base|) (<= ~number_request_queue_used~0 0) (= ~next_heartbeat~0 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= 0 |~#cdev_registered~0.offset|) (= |#NULL.offset| 0) (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ (- 2) (* |ULTIMATE.start_init_kernel_~i~1#1| 6) |~#tasklet_registered~0.offset|)) 0) (= (select |#valid| 36) 1) (= ~nowayout~0 0) (<= 2048 ~zf_action~0) (= (select |#valid| 23) 1) (= |~#zf_miscdev~0.base| 33) (= 69 (select |#length| 13)) (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (= |~#global_tty_driver~0.base| 46) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= |~#zf_lock~0.offset| 0) (= (select |#valid| 19) 1) (<= 0 |~#zf_fops~0.offset|) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= |~#zf_port_lock~0.offset| 0) (<= 0 ~fixed_cdev_used~0) (= (select |#valid| 6) 1) (= |~#fixed_request_queue~0.offset| 0) (= ~number_cdev_registered~0 0) (= |~#registered_irq~0.base| 40) (= |~#genhd_registered~0.offset| 0) (= ~number_fixed_genhd_used~0 0) (<= 0 |~#timer_registered~0.offset|) (= 0 |~#zf_notifier~0.offset|) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) (<= ~ddv_ioport_request_len~0 0) (<= ~fixed_cdev_used~0 0) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8) (<= 0 ~number_request_queue_used~0))) [2022-11-23 14:13:30,419 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-11-23 14:13:30,419 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-11-23 14:13:30,420 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-11-23 14:13:30,420 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: false [2022-11-23 14:13:30,420 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-11-23 14:13:30,420 INFO L895 garLoopResultBuilder]: At program point L1814(lines 1775 1833) the Hoare annotation is: false [2022-11-23 14:13:30,420 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-11-23 14:13:30,420 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-11-23 14:13:30,420 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-11-23 14:13:30,422 INFO L895 garLoopResultBuilder]: At program point L2673-5(lines 2673 2676) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#kernel_lock~0.base|)) (.cse0 ((as const (Array Int Int)) 0))) (and (= 64 (select |#length| 36)) (= 12 (select |#length| 34)) (= (select |#length| 37) 1280) (= 1460 (select |#length| 38)) (= (select |#valid| 30) 1) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 22 (select |#length| 26)) (= 35 (select |#length| 24)) (= 4 (select |#length| 16)) (= (select |#length| 22) 36) (= |#funAddr~zf_exit.offset| ~_ddv_module_exit~0.offset) (= (select ~_ddv_module_license~0 1) 80) (= 18 (select |#length| 2)) (= (select |#length| 9) 73) (= (select |#valid| 26) 1) (= (select |#length| 32) 100) (= (select |#length| 35) 16) (= (select |#length| 6) 4) (= (select |#valid| 35) 1) (= (select |#valid| 9) 1) (= 76 (select ~_ddv_module_license~0 2)) (= (select |#valid| 38) 1) (= .cse0 ~_ddv_module_param_nowayout~0) (= (select |#valid| 40) 1) (= ~_ddv_module_exit~0.base |#funAddr~zf_exit.base|) (= (select .cse1 (+ |~#kernel_lock~0.offset| 4)) 0) (= |#funAddr~zf_exit.offset| ~_ddv_tmp_exit~0.offset) (= (select |#valid| 11) 1) (= (select |#valid| 27) 1) (= |#funAddr~zf_exit.base| ~_ddv_tmp_exit~0.base) (= (select |#valid| 33) 1) (= ~_ddv_tmp_init~0.base |#funAddr~zf_init.base|) (= (select |#length| 28) 4) (= 128 (select |#length| 40)) (= .cse0 ~_ddv_module_param_action~0) (= ~_ddv_module_author~0 .cse0) (= 8 (select |#length| 30)) (= 2 (select |#length| 1)) (= (select |#length| 7) 75) (= (select |#length| 12) 39) (= (select |#valid| 3) 1) (= 71 (select ~_ddv_module_license~0 0)) (= (select |#valid| 7) 1) (= (select |#valid| 18) 1) (= (select .cse1 |~#kernel_lock~0.offset|) 1) (= (select |#valid| 22) 1) (= (select |#length| 20) 58) (= 236 (select |#length| 39)) (= (select |#valid| 24) 1) (= .cse0 ~_ddv_module_description~0) (= (select |#valid| 45) 1) (= (select |#valid| 43) 1) (= (select |#valid| 44) 1) (= (select |#valid| 12) 1) (= (select |#valid| 32) 1) (= (select ~_ddv_module_license~0 3) 0) (= 6 (select |#length| 41)) (= (select |#valid| 39) 1) (= (select |#valid| 28) 1) (= (select |#length| 17) 4) (= (select |#valid| 37) 1) (= (select |#length| 27) 40) (= (select |#length| 15) 6) (= (select |#valid| 4) 1) (= (select |#length| 42) 4) (= 44 (select |#length| 10)) (= 460 (select |#length| 45)) (= 16 (select |#length| 31)) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= (select |#valid| 20) 1) (= (select |#valid| 41) 1) (= 31 (select |#length| 5)) (= (select |#valid| 21) 1) (= (select |#length| 44) 8) (= (select |#valid| 14) 1) (= (select |#valid| 42) 1) (= (select |#length| 19) 40) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= (select |#valid| 25) 1) (= 4 (select |#length| 18)) (= (select |#length| 11) 43) (= (select |#valid| 2) 1) (= (select |#valid| 46) 1) (= (select |#valid| 36) 1) (= (select |#valid| 23) 1) (= 69 (select |#length| 13)) (= ~_ddv_module_init~0.offset |#funAddr~zf_init.offset|) (= (select |#valid| 19) 1) (= (select |#valid| 31) 1) (= ~_ddv_module_init~0.base |#funAddr~zf_init.base|) (= (select |#valid| 34) 1) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (let ((.cse2 (= |~#zf_fops~0.offset| 0)) (.cse3 (= 0 ~fixed_cdev_used~0)) (.cse4 (= |~#shared_workqueue~0.offset| 0)) (.cse5 (= |~#registered_pci_driver~0.offset| 0)) (.cse6 (= ~number_request_queue_used~0 0)) (.cse7 (= ~zf_action~0 2048)) (.cse8 (= |~#timer_registered~0.offset| 0)) (.cse9 (= |~#global_tty_driver~0.offset| 0)) (.cse10 (= |~#zf_timer~0.base| 31)) (.cse11 (= 43 |~#shared_workqueue~0.base|)) (.cse12 (= ~ddv_ioport_request_len~0 0)) (.cse13 (= |~#zf_notifier~0.base| 34)) (.cse14 (= ~current_execution_context~0 1)) (.cse15 (= ~ddv_ioport_request_start~0 0)) (.cse16 (= ~proc_root_driver~0.offset 0)) (.cse17 (= ~proc_root_driver~0.base 0)) (.cse18 (= |~#registered_pci_driver~0.base| 39)) (.cse19 (= |~#zf_is_open~0.offset| 0)) (.cse20 (= 42 |~#timer_registered~0.base|)) (.cse21 (= 0 |~#fixed_cdev~0.offset|)) (.cse22 (= ~number_timer_registered~0 0)) (.cse23 (= |~#fixed_request_queue~0.base| 45)) (.cse24 (= 28 |~#zf_is_open~0.base|)) (.cse25 (= |~#zf_lock~0.base| 29)) (.cse26 (= |~#kernel_lock~0.base| 44)) (.cse27 (= ~jiffies~0 0)) (.cse28 (= |~#registered_irq~0.offset| 0)) (.cse29 (= ~number_tasklet_registered~0 0)) (.cse30 (= |~#zf_info~0.offset| 0)) (.cse31 (= |~#kernel_lock~0.offset| 0)) (.cse32 (= |~#tasklet_registered~0.offset| 0)) (.cse33 (= ~zf_expect_close~0 0)) (.cse34 (= 30 |~#zf_port_lock~0.base|)) (.cse35 (= |~#zf_info~0.base| 27)) (.cse36 (= 32 |~#zf_fops~0.base|)) (.cse37 (= |~#fixed_cdev~0.base| 35)) (.cse38 (= |~#zf_miscdev~0.offset| 0)) (.cse39 (= |~#tasklet_registered~0.base| 41)) (.cse40 (= |~#genhd_registered~0.base| 38)) (.cse41 (= ~next_heartbeat~0 0)) (.cse42 (= 0 |~#cdev_registered~0.offset|)) (.cse43 (= |#NULL.offset| 0)) (.cse44 (= ~nowayout~0 0)) (.cse45 (= |~#zf_miscdev~0.base| 33)) (.cse46 (= |~#global_tty_driver~0.base| 46)) (.cse47 (= |~#zf_lock~0.offset| 0)) (.cse48 (= |~#zf_port_lock~0.offset| 0)) (.cse49 (= |~#fixed_request_queue~0.offset| 0)) (.cse50 (= ~number_cdev_registered~0 0)) (.cse51 (= |~#registered_irq~0.base| 40)) (.cse52 (= |~#genhd_registered~0.offset| 0)) (.cse53 (= ~number_fixed_genhd_used~0 0)) (.cse54 (= 0 |~#zf_notifier~0.offset|))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (= |ULTIMATE.start_init_kernel_~i~1#1| 1) .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 (= (select (select |#memory_int| |~#tasklet_registered~0.base|) (+ |~#tasklet_registered~0.offset| 4)) 0) .cse41 .cse42 .cse43 .cse44 .cse45 (= (select (select |#memory_$Pointer$.offset| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 (= (select (select |#memory_$Pointer$.base| |~#tasklet_registered~0.base|) |~#tasklet_registered~0.offset|) 0)) (and .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54))) (= 14 (select |#length| 23)) (= (select |#length| 33) 12) (= (select |#valid| 29) 1) (= (select |#length| 8) 18) (= 40 (select |#length| 43)) (= ~action~0 0) (= 200 (select |#length| 46)) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= 0 |~#zf_timer~0.offset|) (= (select |#valid| 13) 1) (= |~#cdev_registered~0.base| 36) (= ~_ddv_tmp_init~0.offset |#funAddr~zf_init.offset|) (< 0 |#StackHeapBarrier|) (= (select |#length| 21) 31) (= ~number_genhd_registered~0 0) (= |~#fixed_gendisk~0.base| 37) (= 44 (select |#length| 25)) (= |~#fixed_gendisk~0.offset| 0) (= |#NULL.base| 0) (= (select |#length| 29) 8))) [2022-11-23 14:13:30,423 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-11-23 14:13:30,423 INFO L895 garLoopResultBuilder]: At program point L1782(line 1782) the Hoare annotation is: false [2022-11-23 14:13:30,423 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-11-23 14:13:30,423 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-11-23 14:13:30,424 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-11-23 14:13:30,424 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-11-23 14:13:30,424 INFO L902 garLoopResultBuilder]: At program point L2742(lines 2723 2743) the Hoare annotation is: true [2022-11-23 14:13:30,424 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: false [2022-11-23 14:13:30,424 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-11-23 14:13:30,424 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2022-11-23 14:13:30,424 INFO L902 garLoopResultBuilder]: At program point L1687(lines 1665 1688) the Hoare annotation is: true [2022-11-23 14:13:30,425 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-11-23 14:13:30,425 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,425 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-11-23 14:13:30,425 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-11-23 14:13:30,425 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-11-23 14:13:30,425 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-11-23 14:13:30,425 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,426 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-11-23 14:13:30,426 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-11-23 14:13:30,426 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-11-23 14:13:30,426 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-11-23 14:13:30,426 INFO L902 garLoopResultBuilder]: At program point L3268(line 3268) the Hoare annotation is: true [2022-11-23 14:13:30,426 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-11-23 14:13:30,426 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L902 garLoopResultBuilder]: At program point cdev_addENTRY(lines 3846 3869) the Hoare annotation is: true [2022-11-23 14:13:30,427 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-11-23 14:13:30,427 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-11-23 14:13:30,428 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-11-23 14:13:30,428 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-23 14:13:30,428 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:13:30,428 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1622 1663) the Hoare annotation is: true [2022-11-23 14:13:30,428 INFO L902 garLoopResultBuilder]: At program point L3244(line 3244) the Hoare annotation is: true [2022-11-23 14:13:30,428 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-11-23 14:13:30,428 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-11-23 14:13:30,429 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-11-23 14:13:30,429 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-11-23 14:13:30,429 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-11-23 14:13:30,429 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:13:30,429 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-11-23 14:13:30,429 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-11-23 14:13:30,429 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-11-23 14:13:30,430 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-11-23 14:13:30,430 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-11-23 14:13:30,430 INFO L902 garLoopResultBuilder]: At program point zf_set_controlENTRY(lines 1511 1514) the Hoare annotation is: true [2022-11-23 14:13:30,430 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-11-23 14:13:30,433 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 14:13:30,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:13:30,448 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-23 14:13:30,451 INFO L158 Benchmark]: Toolchain (without parser) took 409348.38ms. Allocated memory was 163.6MB in the beginning and 1.1GB in the end (delta: 887.1MB). Free memory was 115.0MB in the beginning and 837.3MB in the end (delta: -722.4MB). Peak memory consumption was 657.7MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,451 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:13:30,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2201.79ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 67.3MB in the end (delta: 47.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.17ms. Allocated memory is still 163.6MB. Free memory was 67.3MB in the beginning and 116.7MB in the end (delta: -49.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,452 INFO L158 Benchmark]: Boogie Preprocessor took 78.82ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,452 INFO L158 Benchmark]: RCFGBuilder took 3155.71ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 108.4MB in the beginning and 187.7MB in the end (delta: -79.3MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,453 INFO L158 Benchmark]: TraceAbstraction took 403747.23ms. Allocated memory was 255.9MB in the beginning and 1.1GB in the end (delta: 794.8MB). Free memory was 187.7MB in the beginning and 837.3MB in the end (delta: -649.7MB). Peak memory consumption was 637.0MB. Max. memory is 16.1GB. [2022-11-23 14:13:30,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2201.79ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 67.3MB in the end (delta: 47.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.17ms. Allocated memory is still 163.6MB. Free memory was 67.3MB in the beginning and 116.7MB in the end (delta: -49.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.82ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3155.71ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 108.4MB in the beginning and 187.7MB in the end (delta: -79.3MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. * TraceAbstraction took 403747.23ms. Allocated memory was 255.9MB in the beginning and 1.1GB in the end (delta: 794.8MB). Free memory was 187.7MB in the beginning and 837.3MB in the end (delta: -649.7MB). Peak memory consumption was 637.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 309 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 403.6s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 172.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 56.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 42.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 369 mSDsluCounter, 8732 SdHoareTripleChecker+Invalid, 41.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6997 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3558 IncrementalHoareTripleChecker+Invalid, 3670 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 1735 mSDtfsCounter, 3558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 227 SyntacticMatches, 10 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 250.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=5, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 130 LocationsWithAnnotation, 781 PreInvPairs, 801 NumberOfFragments, 9024 HoareAnnotationTreeSize, 781 FomulaSimplifications, 181 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 130 FomulaSimplificationsInter, 13066 FormulaSimplificationTreeSizeReductionInter, 56.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3520 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 59/70 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 47.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 12, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 65, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 96, TOOLS_POST_TIME: 29.0s, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME: 6.2s, TOOLS_POST_RETURN_APPLICATIONS: 22, TOOLS_POST_RETURN_TIME: 8.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 147, TOOLS_QUANTIFIERELIM_TIME: 43.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 4.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 243, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME: 2.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 1.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 21.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 21.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 22, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1524, DAG_COMPRESSION_RETAINED_NODES: 258, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-23 14:13:30,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:13:33,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:13:33,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:13:33,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:13:33,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:13:33,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:13:33,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:13:33,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:13:33,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:13:33,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:13:33,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:13:33,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:13:33,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:13:33,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:13:33,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:13:33,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:13:33,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:13:33,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:13:33,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:13:33,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:13:33,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:13:33,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:13:33,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:13:33,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:13:33,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:13:33,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:13:33,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:13:33,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:13:33,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:13:33,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:13:33,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:13:33,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:13:33,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:13:33,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:13:33,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:13:33,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:13:33,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:13:33,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:13:33,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:13:33,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:13:33,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:13:33,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-23 14:13:33,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:13:33,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:13:33,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:13:33,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:13:33,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:13:33,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:13:33,181 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:13:33,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:13:33,182 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:13:33,182 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:13:33,183 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:13:33,183 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:13:33,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:13:33,184 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:13:33,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:13:33,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:13:33,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:13:33,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:13:33,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:13:33,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:13:33,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:13:33,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:13:33,186 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:13:33,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:13:33,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:13:33,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:13:33,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:13:33,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:13:33,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:13:33,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:13:33,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:13:33,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:13:33,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:13:33,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:13:33,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:13:33,189 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:13:33,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:33,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:13:33,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:13:33,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:13:33,190 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-23 14:13:33,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:13:33,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:13:33,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:13:33,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:13:33,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:13:33,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-23 14:13:36,952 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:13:37,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:13:37,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-23 14:13:37,404 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/4a7d088bb/688e4f0bdc264900b8681abfa3846dad/FLAGb343fa567 [2022-11-23 14:13:37,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/data/4a7d088bb/688e4f0bdc264900b8681abfa3846dad [2022-11-23 14:13:37,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:13:37,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:13:37,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:13:37,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:13:37,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:13:37,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:37" (1/1) ... [2022-11-23 14:13:37,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150f2b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:37, skipping insertion in model container [2022-11-23 14:13:37,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:37" (1/1) ... [2022-11-23 14:13:37,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:13:37,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:13:37,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-23 14:13:39,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:13:39,195 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 14:13:39,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:13:39,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-23 14:13:39,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:13:39,440 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:13:39,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-23 14:13:39,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:13:39,822 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:13:39,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39 WrapperNode [2022-11-23 14:13:39,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:13:39,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:13:39,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:13:39,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:13:39,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:39,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:39,981 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 995 [2022-11-23 14:13:39,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:13:39,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:13:39,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:13:39,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:13:40,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,081 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:13:40,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:13:40,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:13:40,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:13:40,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (1/1) ... [2022-11-23 14:13:40,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:13:40,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:40,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:13:40,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:13:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-23 14:13:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-23 14:13:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-23 14:13:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-23 14:13:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 14:13:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-23 14:13:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:13:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:13:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:13:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-23 14:13:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:13:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 14:13:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 14:13:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 14:13:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 14:13:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-23 14:13:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-23 14:13:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-23 14:13:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-23 14:13:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-23 14:13:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:13:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-23 14:13:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-23 14:13:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:13:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:13:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:13:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:13:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-23 14:13:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-23 14:13:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-23 14:13:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-23 14:13:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:13:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:13:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-23 14:13:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-23 14:13:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-23 14:13:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:13:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-23 14:13:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:13:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:13:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:13:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 14:13:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 14:13:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:13:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:13:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 14:13:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 14:13:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-23 14:13:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-23 14:13:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-23 14:13:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-23 14:13:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-23 14:13:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:13:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:13:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-23 14:13:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-23 14:13:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 14:13:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 14:13:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 14:13:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 14:13:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-23 14:13:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-23 14:13:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-23 14:13:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-23 14:13:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-23 14:13:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-23 14:13:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-23 14:13:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-23 14:13:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-23 14:13:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-23 14:13:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-23 14:13:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-23 14:13:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-23 14:13:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 14:13:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 14:13:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-23 14:13:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-23 14:13:40,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:13:40,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:13:46,122 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:13:46,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:13:46,141 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:13:46,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:46 BoogieIcfgContainer [2022-11-23 14:13:46,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:13:46,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:13:46,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:13:46,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:13:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:37" (1/3) ... [2022-11-23 14:13:46,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de47a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:46, skipping insertion in model container [2022-11-23 14:13:46,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39" (2/3) ... [2022-11-23 14:13:46,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de47a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:46, skipping insertion in model container [2022-11-23 14:13:46,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:46" (3/3) ... [2022-11-23 14:13:46,157 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-23 14:13:46,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:13:46,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-23 14:13:46,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:13:46,262 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23ab0a60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:13:46,262 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-23 14:13:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-23 14:13:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:13:46,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:46,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:46,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:46,289 INFO L85 PathProgramCache]: Analyzing trace with hash -908977076, now seen corresponding path program 1 times [2022-11-23 14:13:46,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:46,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985627512] [2022-11-23 14:13:46,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:46,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:13:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:46,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 14:13:46,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:46,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:13:46,917 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:13:46,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985627512] [2022-11-23 14:13:46,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985627512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:46,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:46,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 14:13:46,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152002552] [2022-11-23 14:13:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:46,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:13:46,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:13:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:13:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:13:46,955 INFO L87 Difference]: Start difference. First operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:47,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:47,028 INFO L93 Difference]: Finished difference Result 766 states and 1072 transitions. [2022-11-23 14:13:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:13:47,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 14:13:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:47,053 INFO L225 Difference]: With dead ends: 766 [2022-11-23 14:13:47,056 INFO L226 Difference]: Without dead ends: 372 [2022-11-23 14:13:47,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:13:47,071 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:47,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:13:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-23 14:13:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-23 14:13:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 259 states have (on average 1.3552123552123552) internal successors, (351), 276 states have internal predecessors, (351), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:13:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 502 transitions. [2022-11-23 14:13:47,204 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 502 transitions. Word has length 10 [2022-11-23 14:13:47,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:47,205 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 502 transitions. [2022-11-23 14:13:47,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 502 transitions. [2022-11-23 14:13:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:13:47,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:47,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:47,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:47,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:47,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:47,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:47,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1886482075, now seen corresponding path program 1 times [2022-11-23 14:13:47,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:47,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160405507] [2022-11-23 14:13:47,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:47,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:47,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 14:13:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:47,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:13:47,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:48,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:13:48,026 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:13:48,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160405507] [2022-11-23 14:13:48,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160405507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:48,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:48,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:13:48,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075915391] [2022-11-23 14:13:48,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:48,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:13:48,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:13:48,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:13:48,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:13:48,030 INFO L87 Difference]: Start difference. First operand 372 states and 502 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:48,159 INFO L93 Difference]: Finished difference Result 745 states and 1005 transitions. [2022-11-23 14:13:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:13:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-23 14:13:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:48,163 INFO L225 Difference]: With dead ends: 745 [2022-11-23 14:13:48,164 INFO L226 Difference]: Without dead ends: 381 [2022-11-23 14:13:48,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:13:48,166 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 6 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:48,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1481 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:13:48,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-11-23 14:13:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2022-11-23 14:13:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 264 states have (on average 1.3484848484848484) internal successors, (356), 281 states have internal predecessors, (356), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:13:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-11-23 14:13:48,191 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 11 [2022-11-23 14:13:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:48,191 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-11-23 14:13:48,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-11-23 14:13:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 14:13:48,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:48,193 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:48,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:48,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:48,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash -415727265, now seen corresponding path program 1 times [2022-11-23 14:13:48,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:48,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810339983] [2022-11-23 14:13:48,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:48,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:48,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:48,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 14:13:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:48,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:13:48,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:49,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:49,152 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:13:49,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810339983] [2022-11-23 14:13:49,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810339983] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:49,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [619384701] [2022-11-23 14:13:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:49,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:13:49,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:13:49,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-23 14:13:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:50,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:13:50,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:50,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:50,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [619384701] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:50,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587331344] [2022-11-23 14:13:50,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:50,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:50,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:50,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:13:50,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:13:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:50,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:13:50,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:50,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:50,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587331344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:50,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 14:13:50,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2022-11-23 14:13:50,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958750101] [2022-11-23 14:13:50,660 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 14:13:50,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:13:50,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:13:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:13:50,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:13:50,661 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:51,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:51,033 INFO L93 Difference]: Finished difference Result 751 states and 1012 transitions. [2022-11-23 14:13:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 14:13:51,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-23 14:13:51,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:51,041 INFO L225 Difference]: With dead ends: 751 [2022-11-23 14:13:51,042 INFO L226 Difference]: Without dead ends: 386 [2022-11-23 14:13:51,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-23 14:13:51,052 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 23 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3438 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:51,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3438 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:13:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-23 14:13:51,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 377. [2022-11-23 14:13:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 265 states have (on average 1.3433962264150943) internal successors, (356), 281 states have internal predecessors, (356), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:13:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-11-23 14:13:51,082 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 15 [2022-11-23 14:13:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:51,082 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-11-23 14:13:51,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-11-23 14:13:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 14:13:51,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:51,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:51,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:51,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:51,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:51,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:51,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1373478705, now seen corresponding path program 1 times [2022-11-23 14:13:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:51,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818157963] [2022-11-23 14:13:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:51,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:51,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:51,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-23 14:13:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:52,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:13:52,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:52,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:52,538 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:13:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818157963] [2022-11-23 14:13:52,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818157963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1944420480] [2022-11-23 14:13:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:52,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:13:52,543 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:13:52,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-23 14:13:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:53,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:13:53,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:53,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:53,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1944420480] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:53,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198875360] [2022-11-23 14:13:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:53,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:13:53,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 14:13:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:13:54,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:13:54,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:13:54,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198875360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:54,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:13:54,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 7, 7] total 13 [2022-11-23 14:13:54,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464453258] [2022-11-23 14:13:54,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:54,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:13:54,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:13:54,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:13:54,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:13:54,108 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:54,221 INFO L93 Difference]: Finished difference Result 381 states and 511 transitions. [2022-11-23 14:13:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:13:54,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-23 14:13:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:54,224 INFO L225 Difference]: With dead ends: 381 [2022-11-23 14:13:54,225 INFO L226 Difference]: Without dead ends: 380 [2022-11-23 14:13:54,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-23 14:13:54,226 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 5 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:54,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1478 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:13:54,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-11-23 14:13:54,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2022-11-23 14:13:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 284 states have internal predecessors, (359), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:13:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 510 transitions. [2022-11-23 14:13:54,245 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 510 transitions. Word has length 21 [2022-11-23 14:13:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:54,246 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 510 transitions. [2022-11-23 14:13:54,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 510 transitions. [2022-11-23 14:13:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 14:13:54,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:54,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:54,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:54,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:54,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:54,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash 570797587, now seen corresponding path program 1 times [2022-11-23 14:13:54,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:54,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307165975] [2022-11-23 14:13:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:54,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:54,862 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:54,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-23 14:13:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:55,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:13:55,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:13:55,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:13:55,662 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:13:55,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307165975] [2022-11-23 14:13:55,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307165975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:55,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2079830293] [2022-11-23 14:13:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:55,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:13:55,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:13:55,667 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:13:55,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-23 14:13:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:56,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:13:56,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:13:56,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:13:56,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2079830293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:56,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62652304] [2022-11-23 14:13:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:56,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:56,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:56,756 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:13:56,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 14:13:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:57,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:13:57,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:13:57,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:13:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:13:57,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62652304] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:13:57,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 14:13:57,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 5, 5] total 16 [2022-11-23 14:13:57,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28772995] [2022-11-23 14:13:57,421 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 14:13:57,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 14:13:57,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:13:57,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 14:13:57,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:13:57,423 INFO L87 Difference]: Start difference. First operand 380 states and 510 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:58,246 INFO L93 Difference]: Finished difference Result 755 states and 1016 transitions. [2022-11-23 14:13:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:13:58,247 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-23 14:13:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:58,250 INFO L225 Difference]: With dead ends: 755 [2022-11-23 14:13:58,250 INFO L226 Difference]: Without dead ends: 388 [2022-11-23 14:13:58,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-11-23 14:13:58,253 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 1084 mSDsluCounter, 4721 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 5212 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:58,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 5212 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:13:58,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-23 14:13:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-11-23 14:13:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 277 states have (on average 1.3212996389891696) internal successors, (366), 292 states have internal predecessors, (366), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 14:13:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 517 transitions. [2022-11-23 14:13:58,273 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 517 transitions. Word has length 25 [2022-11-23 14:13:58,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:58,274 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 517 transitions. [2022-11-23 14:13:58,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:13:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 517 transitions. [2022-11-23 14:13:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:13:58,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:58,275 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:58,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:58,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-23 14:13:58,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-23 14:13:58,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:58,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:13:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:58,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1923940054, now seen corresponding path program 1 times [2022-11-23 14:13:58,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:13:58,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360374375] [2022-11-23 14:13:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:58,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:13:58,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:13:58,897 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:13:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-23 14:13:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:59,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:13:59,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:13:59,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:14:00,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:00,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360374375] [2022-11-23 14:14:00,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360374375] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:00,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1009300715] [2022-11-23 14:14:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:00,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:00,443 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:00,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-23 14:14:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:01,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:01,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:14:01,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:14:01,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1009300715] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:01,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680354645] [2022-11-23 14:14:01,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:01,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:01,775 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:01,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 14:14:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:02,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:14:02,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-23 14:14:02,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:02,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680354645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:02,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:02,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [13, 13, 13, 13] total 25 [2022-11-23 14:14:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820610030] [2022-11-23 14:14:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:02,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:14:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:14:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:14:02,715 INFO L87 Difference]: Start difference. First operand 388 states and 517 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:14:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:02,782 INFO L93 Difference]: Finished difference Result 681 states and 916 transitions. [2022-11-23 14:14:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:14:02,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2022-11-23 14:14:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:02,787 INFO L225 Difference]: With dead ends: 681 [2022-11-23 14:14:02,787 INFO L226 Difference]: Without dead ends: 677 [2022-11-23 14:14:02,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:14:02,791 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 435 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:02,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 999 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:14:02,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-11-23 14:14:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 673. [2022-11-23 14:14:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 482 states have (on average 1.3360995850622406) internal successors, (644), 501 states have internal predecessors, (644), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-23 14:14:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 911 transitions. [2022-11-23 14:14:02,850 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 911 transitions. Word has length 50 [2022-11-23 14:14:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:02,851 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 911 transitions. [2022-11-23 14:14:02,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:14:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 911 transitions. [2022-11-23 14:14:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 14:14:02,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:02,861 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:02,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:03,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:03,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:03,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:03,479 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:03,480 INFO L85 PathProgramCache]: Analyzing trace with hash -661520829, now seen corresponding path program 1 times [2022-11-23 14:14:03,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:03,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162402660] [2022-11-23 14:14:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:03,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:03,482 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:03,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-23 14:14:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:04,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:04,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:14:04,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:05,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:05,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162402660] [2022-11-23 14:14:05,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162402660] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:05,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1610895727] [2022-11-23 14:14:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:05,104 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:05,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-23 14:14:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:06,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:14:06,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-23 14:14:06,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:06,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1610895727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:06,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:14:06,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13, 13] total 26 [2022-11-23 14:14:06,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004344664] [2022-11-23 14:14:06,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:06,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:06,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:06,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:06,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:14:06,116 INFO L87 Difference]: Start difference. First operand 673 states and 911 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 14:14:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:06,217 INFO L93 Difference]: Finished difference Result 1315 states and 1812 transitions. [2022-11-23 14:14:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:14:06,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2022-11-23 14:14:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:06,222 INFO L225 Difference]: With dead ends: 1315 [2022-11-23 14:14:06,223 INFO L226 Difference]: Without dead ends: 673 [2022-11-23 14:14:06,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:14:06,226 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 1 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:06,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1490 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:14:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-11-23 14:14:06,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2022-11-23 14:14:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 482 states have (on average 1.3319502074688796) internal successors, (642), 501 states have internal predecessors, (642), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-23 14:14:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 909 transitions. [2022-11-23 14:14:06,265 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 909 transitions. Word has length 77 [2022-11-23 14:14:06,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:06,266 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 909 transitions. [2022-11-23 14:14:06,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 14:14:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 909 transitions. [2022-11-23 14:14:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 14:14:06,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:06,268 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:06,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2022-11-23 14:14:06,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-11-23 14:14:06,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:06,675 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash 449539103, now seen corresponding path program 1 times [2022-11-23 14:14:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:06,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953438857] [2022-11-23 14:14:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:06,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:06,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:06,678 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:06,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-23 14:14:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:07,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:07,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:14:07,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:08,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:08,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953438857] [2022-11-23 14:14:08,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953438857] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:08,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2091841282] [2022-11-23 14:14:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:08,177 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:08,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-11-23 14:14:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:09,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:09,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:14:09,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:09,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2091841282] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:09,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100084086] [2022-11-23 14:14:09,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:09,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:09,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:09,583 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:09,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-23 14:14:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:10,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:14:10,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-23 14:14:10,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:10,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100084086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:10,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:10,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-11-23 14:14:10,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327518742] [2022-11-23 14:14:10,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:10,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:10,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:14:10,536 INFO L87 Difference]: Start difference. First operand 673 states and 909 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 14:14:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:10,683 INFO L93 Difference]: Finished difference Result 1563 states and 2126 transitions. [2022-11-23 14:14:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:14:10,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2022-11-23 14:14:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:10,692 INFO L225 Difference]: With dead ends: 1563 [2022-11-23 14:14:10,692 INFO L226 Difference]: Without dead ends: 955 [2022-11-23 14:14:10,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:14:10,695 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 377 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:10,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1601 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:14:10,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-11-23 14:14:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 951. [2022-11-23 14:14:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 683 states have (on average 1.3367496339677891) internal successors, (913), 706 states have internal predecessors, (913), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-23 14:14:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1294 transitions. [2022-11-23 14:14:10,752 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1294 transitions. Word has length 79 [2022-11-23 14:14:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:10,755 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1294 transitions. [2022-11-23 14:14:10,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 14:14:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1294 transitions. [2022-11-23 14:14:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-23 14:14:10,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:10,758 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:10,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:10,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:11,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:11,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:11,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:11,374 INFO L85 PathProgramCache]: Analyzing trace with hash -611143586, now seen corresponding path program 1 times [2022-11-23 14:14:11,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:11,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455030824] [2022-11-23 14:14:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:11,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:11,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:11,376 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:11,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-23 14:14:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:12,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:12,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:12,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:12,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:12,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455030824] [2022-11-23 14:14:12,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455030824] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:12,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1994519978] [2022-11-23 14:14:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:12,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:12,899 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:12,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-11-23 14:14:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:13,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:14:13,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 14:14:13,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:13,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1994519978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:13,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:14:13,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 13] total 27 [2022-11-23 14:14:13,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393277123] [2022-11-23 14:14:13,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:13,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:14:13,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:13,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:14:13,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:14:13,966 INFO L87 Difference]: Start difference. First operand 951 states and 1294 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 14:14:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:14,122 INFO L93 Difference]: Finished difference Result 974 states and 1311 transitions. [2022-11-23 14:14:14,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:14:14,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2022-11-23 14:14:14,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:14,128 INFO L225 Difference]: With dead ends: 974 [2022-11-23 14:14:14,128 INFO L226 Difference]: Without dead ends: 689 [2022-11-23 14:14:14,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2022-11-23 14:14:14,130 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 3 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:14,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1974 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:14:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2022-11-23 14:14:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2022-11-23 14:14:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 496 states have (on average 1.3165322580645162) internal successors, (653), 514 states have internal predecessors, (653), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-23 14:14:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 920 transitions. [2022-11-23 14:14:14,164 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 920 transitions. Word has length 90 [2022-11-23 14:14:14,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:14,165 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 920 transitions. [2022-11-23 14:14:14,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 14:14:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 920 transitions. [2022-11-23 14:14:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-23 14:14:14,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:14,166 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:14,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:14,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:14,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:14,583 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:14,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1417723236, now seen corresponding path program 1 times [2022-11-23 14:14:14,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:14,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234014542] [2022-11-23 14:14:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:14,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:14,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:14,585 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:14,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-23 14:14:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:15,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:15,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:14:15,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:16,155 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:16,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234014542] [2022-11-23 14:14:16,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234014542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:16,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1580234771] [2022-11-23 14:14:16,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:16,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:16,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:16,157 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:16,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-11-23 14:14:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:17,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:17,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:14:17,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:14:17,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1580234771] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:17,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131551341] [2022-11-23 14:14:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:17,780 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:17,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-23 14:14:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:18,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:14:18,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-23 14:14:18,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:18,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131551341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:18,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:18,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-11-23 14:14:18,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622365473] [2022-11-23 14:14:18,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:18,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:18,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:18,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:18,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:14:18,850 INFO L87 Difference]: Start difference. First operand 689 states and 920 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-23 14:14:19,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:19,197 INFO L93 Difference]: Finished difference Result 1587 states and 2100 transitions. [2022-11-23 14:14:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:14:19,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 90 [2022-11-23 14:14:19,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:19,203 INFO L225 Difference]: With dead ends: 1587 [2022-11-23 14:14:19,203 INFO L226 Difference]: Without dead ends: 969 [2022-11-23 14:14:19,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:14:19,206 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 190 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:19,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1551 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:14:19,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2022-11-23 14:14:19,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 964. [2022-11-23 14:14:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 684 states have (on average 1.2792397660818713) internal successors, (875), 704 states have internal predecessors, (875), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2022-11-23 14:14:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1253 transitions. [2022-11-23 14:14:19,255 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1253 transitions. Word has length 90 [2022-11-23 14:14:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:19,256 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1253 transitions. [2022-11-23 14:14:19,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-23 14:14:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1253 transitions. [2022-11-23 14:14:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-23 14:14:19,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:19,258 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:19,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2022-11-23 14:14:19,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:19,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:19,876 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:19,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1955243404, now seen corresponding path program 1 times [2022-11-23 14:14:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:19,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84010514] [2022-11-23 14:14:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:19,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:19,879 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:19,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-23 14:14:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:20,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:20,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-23 14:14:21,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 14:14:21,568 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84010514] [2022-11-23 14:14:21,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84010514] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:21,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1478479482] [2022-11-23 14:14:21,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:21,572 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:21,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-11-23 14:14:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:22,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 14:14:22,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-23 14:14:23,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:23,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1478479482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:23,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:14:23,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 13] total 32 [2022-11-23 14:14:23,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803170328] [2022-11-23 14:14:23,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:23,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:14:23,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:14:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2022-11-23 14:14:23,202 INFO L87 Difference]: Start difference. First operand 964 states and 1253 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-23 14:14:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:23,987 INFO L93 Difference]: Finished difference Result 1384 states and 1800 transitions. [2022-11-23 14:14:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:14:23,987 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2022-11-23 14:14:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:23,991 INFO L225 Difference]: With dead ends: 1384 [2022-11-23 14:14:23,991 INFO L226 Difference]: Without dead ends: 509 [2022-11-23 14:14:23,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=181, Invalid=1459, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 14:14:23,994 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 33 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 4327 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:23,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 4327 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:14:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-11-23 14:14:24,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2022-11-23 14:14:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 364 states have (on average 1.2637362637362637) internal successors, (460), 378 states have internal predecessors, (460), 96 states have call successors, (96), 43 states have call predecessors, (96), 42 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-11-23 14:14:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 649 transitions. [2022-11-23 14:14:24,018 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 649 transitions. Word has length 125 [2022-11-23 14:14:24,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:24,018 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 649 transitions. [2022-11-23 14:14:24,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-23 14:14:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 649 transitions. [2022-11-23 14:14:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-23 14:14:24,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:24,020 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:24,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:24,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2022-11-23 14:14:24,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:24,435 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:24,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2108414819, now seen corresponding path program 1 times [2022-11-23 14:14:24,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:24,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407006439] [2022-11-23 14:14:24,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:24,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:24,439 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:24,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-23 14:14:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:25,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:25,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 14:14:25,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 14:14:26,268 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:26,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407006439] [2022-11-23 14:14:26,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407006439] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:26,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1539651636] [2022-11-23 14:14:26,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:26,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:26,271 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:26,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2022-11-23 14:14:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:28,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:28,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 14:14:28,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 14:14:28,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1539651636] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:28,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65168669] [2022-11-23 14:14:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:28,454 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:28,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-23 14:14:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:29,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:14:29,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-23 14:14:29,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:29,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65168669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:29,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:29,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 26 [2022-11-23 14:14:29,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554688524] [2022-11-23 14:14:29,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:29,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:14:29,941 INFO L87 Difference]: Start difference. First operand 509 states and 649 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-23 14:14:30,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:30,103 INFO L93 Difference]: Finished difference Result 926 states and 1196 transitions. [2022-11-23 14:14:30,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:14:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2022-11-23 14:14:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:30,108 INFO L225 Difference]: With dead ends: 926 [2022-11-23 14:14:30,108 INFO L226 Difference]: Without dead ends: 519 [2022-11-23 14:14:30,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2022-11-23 14:14:30,112 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 3 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:30,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1324 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:14:30,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-11-23 14:14:30,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2022-11-23 14:14:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 370 states have (on average 1.2540540540540541) internal successors, (464), 383 states have internal predecessors, (464), 98 states have call successors, (98), 46 states have call predecessors, (98), 45 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-11-23 14:14:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 657 transitions. [2022-11-23 14:14:30,142 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 657 transitions. Word has length 128 [2022-11-23 14:14:30,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:30,143 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 657 transitions. [2022-11-23 14:14:30,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-23 14:14:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 657 transitions. [2022-11-23 14:14:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-23 14:14:30,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:30,150 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:30,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-11-23 14:14:30,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:30,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:30,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:30,765 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:30,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:30,766 INFO L85 PathProgramCache]: Analyzing trace with hash -676249135, now seen corresponding path program 1 times [2022-11-23 14:14:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:30,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344798977] [2022-11-23 14:14:30,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:30,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:30,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:30,777 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-23 14:14:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:31,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:31,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 14:14:32,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-23 14:14:32,775 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:32,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344798977] [2022-11-23 14:14:32,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344798977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [69943616] [2022-11-23 14:14:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:32,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:32,777 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:32,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-11-23 14:14:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:34,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:34,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 14:14:34,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-23 14:14:34,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [69943616] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:34,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145198192] [2022-11-23 14:14:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:34,946 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:34,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-11-23 14:14:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:35,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:14:35,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-23 14:14:36,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:36,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145198192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:36,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:36,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [13, 13, 13, 13] total 25 [2022-11-23 14:14:36,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090744586] [2022-11-23 14:14:36,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:36,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:14:36,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:36,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:14:36,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:14:36,726 INFO L87 Difference]: Start difference. First operand 519 states and 657 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-23 14:14:36,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:36,867 INFO L93 Difference]: Finished difference Result 1276 states and 1676 transitions. [2022-11-23 14:14:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:14:36,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 155 [2022-11-23 14:14:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:36,874 INFO L225 Difference]: With dead ends: 1276 [2022-11-23 14:14:36,874 INFO L226 Difference]: Without dead ends: 865 [2022-11-23 14:14:36,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:14:36,880 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 311 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:36,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 887 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:14:36,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-11-23 14:14:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 856. [2022-11-23 14:14:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 615 states have (on average 1.2894308943089432) internal successors, (793), 633 states have internal predecessors, (793), 162 states have call successors, (162), 77 states have call predecessors, (162), 73 states have return successors, (159), 154 states have call predecessors, (159), 155 states have call successors, (159) [2022-11-23 14:14:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1114 transitions. [2022-11-23 14:14:36,925 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1114 transitions. Word has length 155 [2022-11-23 14:14:36,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:36,926 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1114 transitions. [2022-11-23 14:14:36,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-23 14:14:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1114 transitions. [2022-11-23 14:14:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-23 14:14:36,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:36,929 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:36,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:37,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:37,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:37,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:37,542 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:37,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:37,542 INFO L85 PathProgramCache]: Analyzing trace with hash -983569353, now seen corresponding path program 1 times [2022-11-23 14:14:37,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:37,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496628635] [2022-11-23 14:14:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:37,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:37,544 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:37,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-23 14:14:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:38,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:38,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:38,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:39,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:39,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496628635] [2022-11-23 14:14:39,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496628635] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:39,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2083808087] [2022-11-23 14:14:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:39,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:39,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:39,380 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:39,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2022-11-23 14:14:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:40,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:14:40,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-23 14:14:41,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-23 14:14:42,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2083808087] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 14:14:42,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:14:42,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13, 13, 7] total 34 [2022-11-23 14:14:42,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723570910] [2022-11-23 14:14:42,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:42,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 14:14:42,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:42,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 14:14:42,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 14:14:42,118 INFO L87 Difference]: Start difference. First operand 856 states and 1114 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-23 14:14:44,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:14:46,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:14:49,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:49,747 INFO L93 Difference]: Finished difference Result 860 states and 1114 transitions. [2022-11-23 14:14:49,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:14:49,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 162 [2022-11-23 14:14:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:49,752 INFO L225 Difference]: With dead ends: 860 [2022-11-23 14:14:49,753 INFO L226 Difference]: Without dead ends: 653 [2022-11-23 14:14:49,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2022-11-23 14:14:49,755 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 540 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 215 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:49,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 627 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 895 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-23 14:14:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2022-11-23 14:14:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2022-11-23 14:14:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 476 states have (on average 1.3067226890756303) internal successors, (622), 492 states have internal predecessors, (622), 120 states have call successors, (120), 51 states have call predecessors, (120), 51 states have return successors, (122), 117 states have call predecessors, (122), 118 states have call successors, (122) [2022-11-23 14:14:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 864 transitions. [2022-11-23 14:14:49,855 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 864 transitions. Word has length 162 [2022-11-23 14:14:49,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:49,856 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 864 transitions. [2022-11-23 14:14:49,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-23 14:14:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 864 transitions. [2022-11-23 14:14:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-23 14:14:49,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:49,860 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:49,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:50,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2022-11-23 14:14:50,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:50,277 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:14:50,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash 840806423, now seen corresponding path program 1 times [2022-11-23 14:14:50,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:14:50,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480404549] [2022-11-23 14:14:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:50,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:14:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:14:50,280 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:14:50,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-23 14:14:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:51,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:51,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:51,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:52,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:14:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480404549] [2022-11-23 14:14:52,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480404549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:52,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1679686132] [2022-11-23 14:14:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:52,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:14:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:14:52,479 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:14:52,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2022-11-23 14:14:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:54,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:14:54,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:54,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 14:14:54,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1679686132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:54,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969262827] [2022-11-23 14:14:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:54,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:54,993 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:54,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-23 14:14:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:56,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:14:56,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-23 14:14:56,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:14:56,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969262827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:56,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:14:56,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13, 13, 13, 13] total 26 [2022-11-23 14:14:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736760914] [2022-11-23 14:14:56,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:56,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:56,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:14:56,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:56,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:14:56,596 INFO L87 Difference]: Start difference. First operand 653 states and 864 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 14:14:58,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:15:00,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:15:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:01,084 INFO L93 Difference]: Finished difference Result 653 states and 864 transitions. [2022-11-23 14:15:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:15:01,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-11-23 14:15:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:01,088 INFO L225 Difference]: With dead ends: 653 [2022-11-23 14:15:01,088 INFO L226 Difference]: Without dead ends: 647 [2022-11-23 14:15:01,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:15:01,089 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 346 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:01,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 903 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-11-23 14:15:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-11-23 14:15:01,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2022-11-23 14:15:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 474 states have (on average 1.2953586497890295) internal successors, (614), 486 states have internal predecessors, (614), 118 states have call successors, (118), 51 states have call predecessors, (118), 51 states have return successors, (122), 117 states have call predecessors, (122), 118 states have call successors, (122) [2022-11-23 14:15:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 854 transitions. [2022-11-23 14:15:01,158 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 854 transitions. Word has length 165 [2022-11-23 14:15:01,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:01,158 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 854 transitions. [2022-11-23 14:15:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 14:15:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 854 transitions. [2022-11-23 14:15:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-23 14:15:01,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:15:01,161 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:01,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:01,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:01,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:01,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:01,776 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:15:01,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:15:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1535023403, now seen corresponding path program 1 times [2022-11-23 14:15:01,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:15:01,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594293656] [2022-11-23 14:15:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:15:01,779 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:15:01,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-23 14:15:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:02,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:02,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 14:15:03,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:15:03,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:15:03,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594293656] [2022-11-23 14:15:03,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594293656] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:03,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [409476844] [2022-11-23 14:15:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:03,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:15:03,694 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:15:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2022-11-23 14:15:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:05,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:06,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 14:15:06,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:15:06,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [409476844] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:06,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141419485] [2022-11-23 14:15:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:15:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:15:06,182 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:15:06,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-23 14:15:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:07,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:15:07,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-23 14:15:07,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:15:07,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141419485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:15:07,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:15:07,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 25 [2022-11-23 14:15:07,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608484451] [2022-11-23 14:15:07,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:15:07,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:15:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:15:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:15:07,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:07,425 INFO L87 Difference]: Start difference. First operand 647 states and 854 transitions. Second operand has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 14:15:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:07,489 INFO L93 Difference]: Finished difference Result 653 states and 862 transitions. [2022-11-23 14:15:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:15:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 167 [2022-11-23 14:15:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:07,495 INFO L225 Difference]: With dead ends: 653 [2022-11-23 14:15:07,495 INFO L226 Difference]: Without dead ends: 652 [2022-11-23 14:15:07,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:07,496 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 27 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:07,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 873 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:15:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-11-23 14:15:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 649. [2022-11-23 14:15:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 476 states have (on average 1.2899159663865547) internal successors, (614), 488 states have internal predecessors, (614), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-11-23 14:15:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 856 transitions. [2022-11-23 14:15:07,592 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 856 transitions. Word has length 167 [2022-11-23 14:15:07,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:07,592 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 856 transitions. [2022-11-23 14:15:07,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 14:15:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 856 transitions. [2022-11-23 14:15:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-23 14:15:07,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:15:07,596 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:07,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:07,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-11-23 14:15:08,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-11-23 14:15:08,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:08,211 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:15:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:15:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash 950736655, now seen corresponding path program 1 times [2022-11-23 14:15:08,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:15:08,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750306378] [2022-11-23 14:15:08,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:08,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:15:08,213 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:15:08,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-23 14:15:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:09,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:09,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:15:09,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-23 14:15:10,259 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:15:10,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750306378] [2022-11-23 14:15:10,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750306378] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:10,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1193476096] [2022-11-23 14:15:10,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:10,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:10,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:15:10,263 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:15:10,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-23 14:15:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:12,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:15:12,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-23 14:15:12,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1193476096] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:12,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272463795] [2022-11-23 14:15:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:12,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:15:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:15:12,931 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:15:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-11-23 14:15:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:14,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:15:14,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-23 14:15:14,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:15:14,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272463795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:15:14,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:15:14,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13, 13, 13] total 25 [2022-11-23 14:15:14,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899776617] [2022-11-23 14:15:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:15:14,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:15:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:15:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:15:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:14,275 INFO L87 Difference]: Start difference. First operand 649 states and 856 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-23 14:15:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:14,337 INFO L93 Difference]: Finished difference Result 652 states and 860 transitions. [2022-11-23 14:15:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:15:14,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 178 [2022-11-23 14:15:14,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:14,343 INFO L225 Difference]: With dead ends: 652 [2022-11-23 14:15:14,343 INFO L226 Difference]: Without dead ends: 651 [2022-11-23 14:15:14,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:14,344 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 6 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:14,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 911 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:15:14,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-11-23 14:15:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 648. [2022-11-23 14:15:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 476 states have (on average 1.2857142857142858) internal successors, (612), 487 states have internal predecessors, (612), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-11-23 14:15:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 854 transitions. [2022-11-23 14:15:14,415 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 854 transitions. Word has length 178 [2022-11-23 14:15:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:14,416 INFO L495 AbstractCegarLoop]: Abstraction has 648 states and 854 transitions. [2022-11-23 14:15:14,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-23 14:15:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 854 transitions. [2022-11-23 14:15:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-23 14:15:14,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:15:14,420 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:14,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:14,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-11-23 14:15:14,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:15,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:15,035 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:15:15,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:15:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash 274803025, now seen corresponding path program 1 times [2022-11-23 14:15:15,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:15:15,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932458202] [2022-11-23 14:15:15,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:15:15,038 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:15:15,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-23 14:15:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:16,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:16,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-23 14:15:16,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-23 14:15:17,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:15:17,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932458202] [2022-11-23 14:15:17,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932458202] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:17,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [739122719] [2022-11-23 14:15:17,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:17,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:17,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:15:17,236 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:15:17,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2022-11-23 14:15:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:19,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:15:19,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-23 14:15:19,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:15:19,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [739122719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:15:19,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:15:19,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13, 13] total 25 [2022-11-23 14:15:19,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912173080] [2022-11-23 14:15:19,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:15:19,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:15:19,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:15:19,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:15:19,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:19,799 INFO L87 Difference]: Start difference. First operand 648 states and 854 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:15:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:19,851 INFO L93 Difference]: Finished difference Result 955 states and 1279 transitions. [2022-11-23 14:15:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:15:19,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 181 [2022-11-23 14:15:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:19,856 INFO L225 Difference]: With dead ends: 955 [2022-11-23 14:15:19,856 INFO L226 Difference]: Without dead ends: 646 [2022-11-23 14:15:19,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:15:19,859 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 339 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:19,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 453 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:15:19,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-11-23 14:15:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2022-11-23 14:15:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 474 states have (on average 1.2784810126582278) internal successors, (606), 485 states have internal predecessors, (606), 118 states have call successors, (118), 51 states have call predecessors, (118), 52 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-11-23 14:15:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 848 transitions. [2022-11-23 14:15:19,956 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 848 transitions. Word has length 181 [2022-11-23 14:15:19,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:19,957 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 848 transitions. [2022-11-23 14:15:19,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:15:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 848 transitions. [2022-11-23 14:15:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-23 14:15:19,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:15:19,960 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:19,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:20,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:20,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:20,381 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:15:20,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:15:20,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1502412743, now seen corresponding path program 1 times [2022-11-23 14:15:20,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:15:20,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494306290] [2022-11-23 14:15:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:20,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:20,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:15:20,384 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:15:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-23 14:15:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:21,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:21,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-23 14:15:22,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-23 14:15:22,654 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:15:22,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494306290] [2022-11-23 14:15:22,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494306290] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:22,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1828080906] [2022-11-23 14:15:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:15:22,656 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:15:22,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2022-11-23 14:15:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:24,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:15:24,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-23 14:15:24,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:15:24,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1828080906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:15:24,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:15:24,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13, 13] total 26 [2022-11-23 14:15:24,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952943770] [2022-11-23 14:15:24,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:15:24,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:15:24,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:15:24,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:15:24,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:15:24,895 INFO L87 Difference]: Start difference. First operand 646 states and 848 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:15:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:24,990 INFO L93 Difference]: Finished difference Result 953 states and 1273 transitions. [2022-11-23 14:15:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:15:24,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2022-11-23 14:15:24,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:24,995 INFO L225 Difference]: With dead ends: 953 [2022-11-23 14:15:24,995 INFO L226 Difference]: Without dead ends: 673 [2022-11-23 14:15:24,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-11-23 14:15:24,996 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 24 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:24,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1348 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:15:24,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-11-23 14:15:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 656. [2022-11-23 14:15:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 482 states have (on average 1.2759336099585061) internal successors, (615), 494 states have internal predecessors, (615), 119 states have call successors, (119), 51 states have call predecessors, (119), 53 states have return successors, (127), 118 states have call predecessors, (127), 119 states have call successors, (127) [2022-11-23 14:15:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 861 transitions. [2022-11-23 14:15:25,072 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 861 transitions. Word has length 182 [2022-11-23 14:15:25,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:25,073 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 861 transitions. [2022-11-23 14:15:25,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:15:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 861 transitions. [2022-11-23 14:15:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-23 14:15:25,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:15:25,076 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:25,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:25,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-11-23 14:15:25,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:25,499 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-23 14:15:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:15:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2020769363, now seen corresponding path program 1 times [2022-11-23 14:15:25,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:15:25,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701828593] [2022-11-23 14:15:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:25,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:15:25,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:15:25,502 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:15:25,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-23 14:15:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:26,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:26,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-23 14:15:27,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-23 14:15:27,645 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:15:27,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701828593] [2022-11-23 14:15:27,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701828593] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:27,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1934558427] [2022-11-23 14:15:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:27,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:27,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:15:27,647 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:15:27,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2022-11-23 14:15:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:30,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:15:30,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-23 14:15:30,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:15:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-23 14:15:30,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1934558427] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:15:30,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130589244] [2022-11-23 14:15:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:15:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:15:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:15:30,564 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:15:30,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-11-23 14:15:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:15:32,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:15:32,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:15:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-23 14:15:32,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:15:32,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130589244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:15:32,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-23 14:15:32,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 13, 13, 13] total 28 [2022-11-23 14:15:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114694787] [2022-11-23 14:15:32,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:15:32,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:15:32,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:15:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:15:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2022-11-23 14:15:32,694 INFO L87 Difference]: Start difference. First operand 656 states and 861 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 14:15:34,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:15:36,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:15:38,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:15:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:15:38,923 INFO L93 Difference]: Finished difference Result 662 states and 865 transitions. [2022-11-23 14:15:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:15:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 191 [2022-11-23 14:15:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:15:38,924 INFO L225 Difference]: With dead ends: 662 [2022-11-23 14:15:38,924 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:15:38,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2022-11-23 14:15:38,927 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:15:38,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 100 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 3 Unknown, 0 Unchecked, 6.1s Time] [2022-11-23 14:15:38,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:15:38,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:15:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:15:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:15:38,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2022-11-23 14:15:38,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:15:38,930 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:15:38,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 14:15:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:15:38,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:15:38,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-23 14:15:38,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-23 14:15:38,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-23 14:15:38,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-23 14:15:38,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-23 14:15:38,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-23 14:15:38,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-23 14:15:38,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-23 14:15:38,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-23 14:15:38,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-23 14:15:38,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-23 14:15:38,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-23 14:15:38,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-23 14:15:38,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-23 14:15:38,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-23 14:15:38,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-23 14:15:38,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-23 14:15:38,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-23 14:15:38,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-23 14:15:38,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-23 14:15:38,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:39,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:39,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2022-11-23 14:15:39,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:15:39,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:15:41,423 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-11-23 14:15:41,423 INFO L902 garLoopResultBuilder]: At program point spin_lock_initENTRY(lines 4153 4157) the Hoare annotation is: true [2022-11-23 14:15:41,424 INFO L899 garLoopResultBuilder]: For program point spin_lock_initFINAL(lines 4153 4157) no Hoare annotation was computed. [2022-11-23 14:15:41,424 INFO L899 garLoopResultBuilder]: For program point printkFINAL(lines 4480 4483) no Hoare annotation was computed. [2022-11-23 14:15:41,424 INFO L902 garLoopResultBuilder]: At program point printkENTRY(lines 4480 4483) the Hoare annotation is: true [2022-11-23 14:15:41,424 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-11-23 14:15:41,424 INFO L902 garLoopResultBuilder]: At program point misc_deregisterENTRY(line 4524) the Hoare annotation is: true [2022-11-23 14:15:41,424 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-11-23 14:15:41,425 INFO L899 garLoopResultBuilder]: For program point misc_deregisterFINAL(line 4524) no Hoare annotation was computed. [2022-11-23 14:15:41,425 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONGENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,425 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1622 1663) the Hoare annotation is: true [2022-11-23 14:15:41,425 INFO L902 garLoopResultBuilder]: At program point L3246(lines 3241 3247) the Hoare annotation is: true [2022-11-23 14:15:41,425 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1649) no Hoare annotation was computed. [2022-11-23 14:15:41,425 INFO L899 garLoopResultBuilder]: For program point L3244(line 3244) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONGFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1642-2(lines 1642 1650) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-11-23 14:15:41,426 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONGEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L902 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L902 garLoopResultBuilder]: At program point L1594-1(line 1594) the Hoare annotation is: true [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-23 14:15:41,427 INFO L902 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: true [2022-11-23 14:15:41,427 INFO L902 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-11-23 14:15:41,428 INFO L902 garLoopResultBuilder]: At program point zf_pingENTRY(lines 1589 1620) the Hoare annotation is: true [2022-11-23 14:15:41,428 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-11-23 14:15:41,428 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-23 14:15:41,429 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-11-23 14:15:41,429 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-11-23 14:15:41,429 INFO L899 garLoopResultBuilder]: For program point L3962(lines 3962 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,429 INFO L899 garLoopResultBuilder]: For program point zf_readwFINAL(lines 1467 1471) no Hoare annotation was computed. [2022-11-23 14:15:41,429 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,429 INFO L902 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: true [2022-11-23 14:15:41,430 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-11-23 14:15:41,430 INFO L895 garLoopResultBuilder]: At program point L3965(lines 3960 3966) the Hoare annotation is: (or (not (= (_ bv0 32) ~next_heartbeat~0)) (not (= (_ bv0 16) ~number_cdev_registered~0)) (not (= ~jiffies~0 (_ bv0 32))) (not (= ~ddv_ioport_request_start~0 (_ bv0 32))) (not (= ~fixed_cdev_used~0 (_ bv0 32))) (not (= (_ bv0 16) ~number_timer_registered~0)) (not (= ~nowayout~0 (_ bv0 32))) (not (= ~ddv_ioport_request_len~0 (_ bv0 32)))) [2022-11-23 14:15:41,430 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,430 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,431 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,431 INFO L899 garLoopResultBuilder]: For program point L3963-4(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,431 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-23 14:15:41,431 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-11-23 14:15:41,431 INFO L895 garLoopResultBuilder]: At program point L12-3(line 12) the Hoare annotation is: (or (not (= (_ bv0 32) ~next_heartbeat~0)) (not (= (_ bv0 16) ~number_cdev_registered~0)) (not (= ~jiffies~0 (_ bv0 32))) (not (= ~ddv_ioport_request_start~0 (_ bv0 32))) (not (= ~fixed_cdev_used~0 (_ bv0 32))) (not (= (_ bv0 16) ~number_timer_registered~0)) (not (= ~nowayout~0 (_ bv0 32))) (not (= ~ddv_ioport_request_len~0 (_ bv0 32)))) [2022-11-23 14:15:41,432 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-23 14:15:41,432 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-11-23 14:15:41,432 INFO L902 garLoopResultBuilder]: At program point zf_readwENTRY(lines 1467 1471) the Hoare annotation is: true [2022-11-23 14:15:41,432 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,432 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,432 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,433 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-11-23 14:15:41,433 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-11-23 14:15:41,433 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-11-23 14:15:41,433 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-11-23 14:15:41,433 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-11-23 14:15:41,433 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-11-23 14:15:41,433 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-11-23 14:15:41,434 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-11-23 14:15:41,434 INFO L902 garLoopResultBuilder]: At program point L1543(line 1543) the Hoare annotation is: true [2022-11-23 14:15:41,434 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-11-23 14:15:41,434 INFO L902 garLoopResultBuilder]: At program point zf_timer_offENTRY(lines 1537 1554) the Hoare annotation is: true [2022-11-23 14:15:41,434 INFO L899 garLoopResultBuilder]: For program point zf_timer_offFINAL(lines 1537 1554) no Hoare annotation was computed. [2022-11-23 14:15:41,434 INFO L902 garLoopResultBuilder]: At program point spin_lockENTRY(lines 4159 4169) the Hoare annotation is: true [2022-11-23 14:15:41,435 INFO L899 garLoopResultBuilder]: For program point L4161(lines 4161 4162) no Hoare annotation was computed. [2022-11-23 14:15:41,435 INFO L899 garLoopResultBuilder]: For program point spin_lockFINAL(lines 4159 4169) no Hoare annotation was computed. [2022-11-23 14:15:41,435 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-11-23 14:15:41,435 INFO L899 garLoopResultBuilder]: For program point outwFINAL(lines 3968 3970) no Hoare annotation was computed. [2022-11-23 14:15:41,435 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-11-23 14:15:41,435 INFO L902 garLoopResultBuilder]: At program point outwENTRY(lines 3968 3970) the Hoare annotation is: true [2022-11-23 14:15:41,435 INFO L902 garLoopResultBuilder]: At program point L1522(lines 1522 1532) the Hoare annotation is: true [2022-11-23 14:15:41,436 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-23 14:15:41,436 INFO L902 garLoopResultBuilder]: At program point L4512(lines 4506 4513) the Hoare annotation is: true [2022-11-23 14:15:41,436 INFO L902 garLoopResultBuilder]: At program point L4504(line 4504) the Hoare annotation is: true [2022-11-23 14:15:41,436 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-11-23 14:15:41,436 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-11-23 14:15:41,436 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,437 INFO L902 garLoopResultBuilder]: At program point L1705(lines 1690 1706) the Hoare annotation is: true [2022-11-23 14:15:41,437 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,437 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,437 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-11-23 14:15:41,437 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-11-23 14:15:41,437 INFO L899 garLoopResultBuilder]: For program point L4505(line 4505) no Hoare annotation was computed. [2022-11-23 14:15:41,437 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 1531) no Hoare annotation was computed. [2022-11-23 14:15:41,438 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-11-23 14:15:41,438 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-11-23 14:15:41,438 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,438 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-11-23 14:15:41,438 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-11-23 14:15:41,438 INFO L899 garLoopResultBuilder]: For program point L1698(lines 1698 1699) no Hoare annotation was computed. [2022-11-23 14:15:41,439 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-11-23 14:15:41,439 INFO L902 garLoopResultBuilder]: At program point L1723(lines 1708 1724) the Hoare annotation is: true [2022-11-23 14:15:41,439 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-23 14:15:41,439 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-11-23 14:15:41,439 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-11-23 14:15:41,439 INFO L899 garLoopResultBuilder]: For program point L4515(lines 4515 4521) no Hoare annotation was computed. [2022-11-23 14:15:41,439 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-11-23 14:15:41,440 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-11-23 14:15:41,440 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-11-23 14:15:41,440 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-11-23 14:15:41,440 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,440 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,440 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L4508-2(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L1560(lines 1560 1586) no Hoare annotation was computed. [2022-11-23 14:15:41,441 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 1524 1531) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,442 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-11-23 14:15:41,442 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-11-23 14:15:41,443 INFO L899 garLoopResultBuilder]: For program point L4517-2(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,443 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-11-23 14:15:41,443 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,443 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,443 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-11-23 14:15:41,443 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-11-23 14:15:41,444 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-11-23 14:15:41,444 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-11-23 14:15:41,444 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-11-23 14:15:41,444 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-23 14:15:41,444 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-11-23 14:15:41,444 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-11-23 14:15:41,444 INFO L899 garLoopResultBuilder]: For program point L1529(line 1529) no Hoare annotation was computed. [2022-11-23 14:15:41,445 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-11-23 14:15:41,445 INFO L899 garLoopResultBuilder]: For program point L1719-1(line 1719) no Hoare annotation was computed. [2022-11-23 14:15:41,445 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-11-23 14:15:41,445 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-23 14:15:41,445 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-11-23 14:15:41,445 INFO L902 garLoopResultBuilder]: At program point outbENTRY(lines 3956 3958) the Hoare annotation is: true [2022-11-23 14:15:41,445 INFO L899 garLoopResultBuilder]: For program point outbFINAL(lines 3956 3958) no Hoare annotation was computed. [2022-11-23 14:15:41,446 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,446 INFO L899 garLoopResultBuilder]: For program point ##fun~C_ULONG~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,446 INFO L899 garLoopResultBuilder]: For program point ##fun~C_ULONG~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,446 INFO L902 garLoopResultBuilder]: At program point ##fun~C_ULONG~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,446 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-11-23 14:15:41,446 INFO L902 garLoopResultBuilder]: At program point add_timerENTRY(lines 4256 4263) the Hoare annotation is: true [2022-11-23 14:15:41,446 INFO L899 garLoopResultBuilder]: For program point add_timerFINAL(lines 4256 4263) no Hoare annotation was computed. [2022-11-23 14:15:41,447 INFO L902 garLoopResultBuilder]: At program point L3262(lines 3257 3263) the Hoare annotation is: true [2022-11-23 14:15:41,447 INFO L899 garLoopResultBuilder]: For program point L3260(line 3260) no Hoare annotation was computed. [2022-11-23 14:15:41,447 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,447 INFO L902 garLoopResultBuilder]: At program point L1687(lines 1665 1688) the Hoare annotation is: true [2022-11-23 14:15:41,447 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-11-23 14:15:41,447 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-11-23 14:15:41,448 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-11-23 14:15:41,448 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INTENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,448 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-11-23 14:15:41,448 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-11-23 14:15:41,448 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,448 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-11-23 14:15:41,448 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-11-23 14:15:41,449 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-11-23 14:15:41,449 INFO L902 garLoopResultBuilder]: At program point L3270(lines 3265 3271) the Hoare annotation is: true [2022-11-23 14:15:41,449 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-11-23 14:15:41,449 INFO L899 garLoopResultBuilder]: For program point L3268(line 3268) no Hoare annotation was computed. [2022-11-23 14:15:41,449 INFO L899 garLoopResultBuilder]: For program point L4209(lines 4209 4213) no Hoare annotation was computed. [2022-11-23 14:15:41,449 INFO L902 garLoopResultBuilder]: At program point spin_unlockENTRY(lines 4207 4214) the Hoare annotation is: true [2022-11-23 14:15:41,449 INFO L899 garLoopResultBuilder]: For program point spin_unlockFINAL(lines 4207 4214) no Hoare annotation was computed. [2022-11-23 14:15:41,450 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-11-23 14:15:41,450 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2022-11-23 14:15:41,450 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-23 14:15:41,450 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-11-23 14:15:41,450 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-11-23 14:15:41,450 INFO L902 garLoopResultBuilder]: At program point release_regionENTRY(lines 3939 3949) the Hoare annotation is: true [2022-11-23 14:15:41,450 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point release_regionFINAL(lines 3939 3949) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L902 garLoopResultBuilder]: At program point spin_unlock_irqrestoreENTRY(lines 4216 4223) the Hoare annotation is: true [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point L4218(lines 4218 4222) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-11-23 14:15:41,451 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 4216 4223) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L902 garLoopResultBuilder]: At program point del_timerENTRY(lines 4271 4274) the Hoare annotation is: true [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point del_timerFINAL(lines 4271 4274) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-11-23 14:15:41,452 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveFINAL(lines 4171 4181) no Hoare annotation was computed. [2022-11-23 14:15:41,453 INFO L899 garLoopResultBuilder]: For program point L4173(lines 4173 4174) no Hoare annotation was computed. [2022-11-23 14:15:41,453 INFO L902 garLoopResultBuilder]: At program point spin_lock_irqsaveENTRY(lines 4171 4181) the Hoare annotation is: true [2022-11-23 14:15:41,453 INFO L899 garLoopResultBuilder]: For program point zf_get_controlFINAL(lines 1506 1509) no Hoare annotation was computed. [2022-11-23 14:15:41,453 INFO L902 garLoopResultBuilder]: At program point zf_get_controlENTRY(lines 1506 1509) the Hoare annotation is: true [2022-11-23 14:15:41,453 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-11-23 14:15:41,453 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-11-23 14:15:41,453 INFO L899 garLoopResultBuilder]: For program point request_regionFINAL(lines 3925 3937) no Hoare annotation was computed. [2022-11-23 14:15:41,454 INFO L902 garLoopResultBuilder]: At program point request_regionENTRY(lines 3925 3937) the Hoare annotation is: true [2022-11-23 14:15:41,454 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-11-23 14:15:41,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-23 14:15:41,454 INFO L899 garLoopResultBuilder]: For program point L1786(lines 1786 1789) no Hoare annotation was computed. [2022-11-23 14:15:41,454 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-11-23 14:15:41,454 INFO L899 garLoopResultBuilder]: For program point L1786-2(lines 1786 1789) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: false [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-11-23 14:15:41,455 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-11-23 14:15:41,456 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-11-23 14:15:41,456 INFO L899 garLoopResultBuilder]: For program point L2878(line 2878) no Hoare annotation was computed. [2022-11-23 14:15:41,456 INFO L902 garLoopResultBuilder]: At program point L1854(lines 1848 1855) the Hoare annotation is: true [2022-11-23 14:15:41,456 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-11-23 14:15:41,456 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-11-23 14:15:41,456 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-11-23 14:15:41,456 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-11-23 14:15:41,457 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-11-23 14:15:41,457 INFO L895 garLoopResultBuilder]: At program point L4498(line 4498) the Hoare annotation is: false [2022-11-23 14:15:41,457 INFO L895 garLoopResultBuilder]: At program point L3507(lines 3491 3509) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_misc_register_#res#1| (_ bv0 32))) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,457 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: false [2022-11-23 14:15:41,457 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-11-23 14:15:41,457 INFO L899 garLoopResultBuilder]: For program point L2847(lines 2847 2848) no Hoare annotation was computed. [2022-11-23 14:15:41,458 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: false [2022-11-23 14:15:41,458 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-11-23 14:15:41,458 INFO L899 garLoopResultBuilder]: For program point L2881(line 2881) no Hoare annotation was computed. [2022-11-23 14:15:41,458 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-11-23 14:15:41,458 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-11-23 14:15:41,458 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-11-23 14:15:41,458 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: false [2022-11-23 14:15:41,459 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-11-23 14:15:41,459 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-11-23 14:15:41,459 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-11-23 14:15:41,459 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-11-23 14:15:41,459 INFO L899 garLoopResultBuilder]: For program point L2717(line 2717) no Hoare annotation was computed. [2022-11-23 14:15:41,459 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: false [2022-11-23 14:15:41,459 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-11-23 14:15:41,460 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-11-23 14:15:41,460 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-11-23 14:15:41,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-23 14:15:41,460 INFO L899 garLoopResultBuilder]: For program point L2884(line 2884) no Hoare annotation was computed. [2022-11-23 14:15:41,460 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-11-23 14:15:41,460 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: false [2022-11-23 14:15:41,460 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-11-23 14:15:41,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-23 14:15:41,461 INFO L899 garLoopResultBuilder]: For program point L2852(lines 2852 2854) no Hoare annotation was computed. [2022-11-23 14:15:41,461 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,461 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-11-23 14:15:41,461 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-11-23 14:15:41,461 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: false [2022-11-23 14:15:41,462 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-11-23 14:15:41,462 INFO L899 garLoopResultBuilder]: For program point L2887(line 2887) no Hoare annotation was computed. [2022-11-23 14:15:41,462 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-11-23 14:15:41,462 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-11-23 14:15:41,462 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: false [2022-11-23 14:15:41,462 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: false [2022-11-23 14:15:41,462 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-11-23 14:15:41,463 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,463 INFO L895 garLoopResultBuilder]: At program point L1798(lines 1798 1799) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,463 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-11-23 14:15:41,463 INFO L895 garLoopResultBuilder]: At program point L1832(lines 1774 1833) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) .cse0 (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (bvadd |ULTIMATE.start_zf_init_#res#1| (_ bv19 32)) (_ bv0 32))) (and (not (= |ULTIMATE.start_zf_init_#res#1| (_ bv0 32))) .cse0 (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))))) [2022-11-23 14:15:41,463 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L2890(line 2890) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L2857(line 2857) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1772) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-11-23 14:15:41,464 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L2860(line 2860) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L2893(line 2893) no Hoare annotation was computed. [2022-11-23 14:15:41,465 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) the Hoare annotation is: false [2022-11-23 14:15:41,465 INFO L899 garLoopResultBuilder]: For program point L1803-1(lines 1803 1808) no Hoare annotation was computed. [2022-11-23 14:15:41,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,466 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) the Hoare annotation is: (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) [2022-11-23 14:15:41,466 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-11-23 14:15:41,466 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-11-23 14:15:41,466 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-11-23 14:15:41,466 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2663 2677) no Hoare annotation was computed. [2022-11-23 14:15:41,466 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) .cse0 (= ~ddv_ioport_request_start~0 (_ bv0 32))) (and (not (= ((_ sign_extend 16) ~number_cdev_registered~0) (_ bv0 32))) .cse0 (= (_ bv536 32) ~ddv_ioport_request_start~0) (= (_ bv3 32) ~ddv_ioport_request_len~0)))) [2022-11-23 14:15:41,467 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-11-23 14:15:41,467 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-11-23 14:15:41,467 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-11-23 14:15:41,467 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-11-23 14:15:41,467 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-11-23 14:15:41,467 INFO L899 garLoopResultBuilder]: For program point L2896(line 2896) no Hoare annotation was computed. [2022-11-23 14:15:41,467 INFO L899 garLoopResultBuilder]: For program point L2863(line 2863) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L3029(lines 3029 3041) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L1840(line 1840) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-11-23 14:15:41,468 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-11-23 14:15:41,469 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-11-23 14:15:41,469 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-11-23 14:15:41,469 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-11-23 14:15:41,469 INFO L895 garLoopResultBuilder]: At program point L2667(line 2667) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-11-23 14:15:41,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,469 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-11-23 14:15:41,470 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: false [2022-11-23 14:15:41,470 INFO L899 garLoopResultBuilder]: For program point L2866(line 2866) no Hoare annotation was computed. [2022-11-23 14:15:41,470 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-11-23 14:15:41,470 INFO L899 garLoopResultBuilder]: For program point L1842-1(lines 1836 1843) no Hoare annotation was computed. [2022-11-23 14:15:41,470 INFO L899 garLoopResultBuilder]: For program point L2833(lines 2833 2834) no Hoare annotation was computed. [2022-11-23 14:15:41,470 INFO L899 garLoopResultBuilder]: For program point L2767(line 2767) no Hoare annotation was computed. [2022-11-23 14:15:41,470 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-11-23 14:15:41,471 INFO L899 garLoopResultBuilder]: For program point L2768(lines 2768 2775) no Hoare annotation was computed. [2022-11-23 14:15:41,471 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-11-23 14:15:41,471 INFO L899 garLoopResultBuilder]: For program point L2669-2(lines 2669 2671) no Hoare annotation was computed. [2022-11-23 14:15:41,471 INFO L895 garLoopResultBuilder]: At program point L2669-5(lines 2669 2671) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_init_kernel_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-11-23 14:15:41,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-23 14:15:41,471 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L2669-6(lines 2669 2671) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L3099(lines 3099 3100) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-11-23 14:15:41,472 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-11-23 14:15:41,473 INFO L895 garLoopResultBuilder]: At program point L1778(line 1778) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-11-23 14:15:41,473 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-11-23 14:15:41,473 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-11-23 14:15:41,473 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-11-23 14:15:41,473 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-11-23 14:15:41,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L895 garLoopResultBuilder]: At program point L1812(lines 1812 1813) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,474 INFO L899 garLoopResultBuilder]: For program point L2869(line 2869) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-11-23 14:15:41,474 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: false [2022-11-23 14:15:41,475 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (and (= ~jiffies~0 (_ bv0 32)) (= (_ bv0 32) ~next_heartbeat~0) (= (_ bv0 16) ~number_timer_registered~0) (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= ~nowayout~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (_ bv0 16) ~number_cdev_registered~0)) [2022-11-23 14:15:41,475 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-11-23 14:15:41,475 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-11-23 14:15:41,475 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-11-23 14:15:41,475 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: false [2022-11-23 14:15:41,475 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L899 garLoopResultBuilder]: For program point L2838(lines 2838 2840) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L895 garLoopResultBuilder]: At program point L1814(lines 1775 1833) the Hoare annotation is: (and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) [2022-11-23 14:15:41,476 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L899 garLoopResultBuilder]: For program point L2673-2(lines 2673 2676) no Hoare annotation was computed. [2022-11-23 14:15:41,476 INFO L895 garLoopResultBuilder]: At program point L2673-5(lines 2673 2676) the Hoare annotation is: (let ((.cse0 (= ~jiffies~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~next_heartbeat~0)) (.cse2 (= (_ bv0 16) ~number_timer_registered~0)) (.cse3 (= ~ddv_ioport_request_len~0 (_ bv0 32))) (.cse4 (= ~nowayout~0 (_ bv0 32))) (.cse5 (= ~fixed_cdev_used~0 (_ bv0 32))) (.cse6 (= ~ddv_ioport_request_start~0 (_ bv0 32))) (.cse7 (= (_ bv0 16) ~number_cdev_registered~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) .cse5 .cse6 .cse7))) [2022-11-23 14:15:41,477 INFO L895 garLoopResultBuilder]: At program point L4523(line 4523) the Hoare annotation is: false [2022-11-23 14:15:41,477 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-11-23 14:15:41,477 INFO L899 garLoopResultBuilder]: For program point L3037(lines 3037 3040) no Hoare annotation was computed. [2022-11-23 14:15:41,477 INFO L899 garLoopResultBuilder]: For program point L3037-2(lines 3037 3040) no Hoare annotation was computed. [2022-11-23 14:15:41,477 INFO L899 garLoopResultBuilder]: For program point L2872(line 2872) no Hoare annotation was computed. [2022-11-23 14:15:41,477 INFO L895 garLoopResultBuilder]: At program point L1782(line 1782) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32))) [2022-11-23 14:15:41,478 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-11-23 14:15:41,478 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,478 INFO L895 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_##fun~~TO~C_INT_#res#1|)) (not (= |ULTIMATE.start_zf_init_#res#1| (_ bv0 32))) .cse0 (not (= |ULTIMATE.start_zf_init_~ret~3#1| (_ bv0 32)))) (and (= ~ddv_ioport_request_len~0 (_ bv0 32)) (= (bvadd (_ bv19 32) |ULTIMATE.start_##fun~~TO~C_INT_#res#1|) (_ bv0 32)) .cse0 (= ~fixed_cdev_used~0 (_ bv0 32)) (= ~ddv_ioport_request_start~0 (_ bv0 32)) (= (bvadd |ULTIMATE.start_zf_init_#res#1| (_ bv19 32)) (_ bv0 32))))) [2022-11-23 14:15:41,478 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: false [2022-11-23 14:15:41,478 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-11-23 14:15:41,478 INFO L902 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: true [2022-11-23 14:15:41,478 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-11-23 14:15:41,479 INFO L902 garLoopResultBuilder]: At program point L4525(line 4525) the Hoare annotation is: true [2022-11-23 14:15:41,479 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-11-23 14:15:41,479 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-11-23 14:15:41,479 INFO L902 garLoopResultBuilder]: At program point L2742(lines 2723 2743) the Hoare annotation is: true [2022-11-23 14:15:41,479 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: false [2022-11-23 14:15:41,479 INFO L899 garLoopResultBuilder]: For program point L2875(line 2875) no Hoare annotation was computed. [2022-11-23 14:15:41,479 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L902 garLoopResultBuilder]: At program point cdev_addENTRY(lines 3846 3869) the Hoare annotation is: true [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-11-23 14:15:41,480 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-11-23 14:15:41,481 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-11-23 14:15:41,481 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-11-23 14:15:41,481 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-11-23 14:15:41,481 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-23 14:15:41,481 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-11-23 14:15:41,481 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-11-23 14:15:41,481 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-11-23 14:15:41,482 INFO L902 garLoopResultBuilder]: At program point zf_set_controlENTRY(lines 1511 1514) the Hoare annotation is: true [2022-11-23 14:15:41,482 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-11-23 14:15:41,485 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:15:41,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:15:41,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:15:41 BoogieIcfgContainer [2022-11-23 14:15:41,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:15:41,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:15:41,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:15:41,507 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:15:41,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:46" (3/4) ... [2022-11-23 14:15:41,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:15:41,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:15:41,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_ULONG~TO~VOID [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-23 14:15:41,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-23 14:15:41,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-23 14:15:41,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-23 14:15:41,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-23 14:15:41,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-23 14:15:41,538 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2022-11-23 14:15:41,540 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-11-23 14:15:41,541 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 14:15:41,543 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 14:15:41,544 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:15:41,545 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:15:41,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && !(\result == 0bv32)) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && !(ret == 0bv32) [2022-11-23 14:15:41,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) || ((!(\result == 0bv32) && i == 1bv32) && !(ret == 0bv32)) [2022-11-23 14:15:41,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && !(\result == 0bv32)) && i == 1bv32) && !(ret == 0bv32)) || (((((ddv_ioport_request_len == 0bv32 && ~bvadd128(19bv32, \result) == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) [2022-11-23 14:15:41,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:15:41,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:15:41,675 INFO L158 Benchmark]: Toolchain (without parser) took 124245.09ms. Allocated memory was 60.8MB in the beginning and 255.9MB in the end (delta: 195.0MB). Free memory was 37.4MB in the beginning and 69.3MB in the end (delta: -31.9MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,675 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:15:41,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2389.46ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 37.2MB in the beginning and 50.0MB in the end (delta: -12.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.64ms. Allocated memory is still 96.5MB. Free memory was 50.0MB in the beginning and 41.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,676 INFO L158 Benchmark]: Boogie Preprocessor took 119.88ms. Allocated memory is still 96.5MB. Free memory was 41.6MB in the beginning and 53.7MB in the end (delta: -12.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,677 INFO L158 Benchmark]: RCFGBuilder took 6034.05ms. Allocated memory was 96.5MB in the beginning and 176.2MB in the end (delta: 79.7MB). Free memory was 53.7MB in the beginning and 97.1MB in the end (delta: -43.4MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,677 INFO L158 Benchmark]: TraceAbstraction took 115357.96ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 96.0MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,677 INFO L158 Benchmark]: Witness Printer took 167.60ms. Allocated memory is still 255.9MB. Free memory was 87.1MB in the beginning and 69.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 14:15:41,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2389.46ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 37.2MB in the beginning and 50.0MB in the end (delta: -12.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.64ms. Allocated memory is still 96.5MB. Free memory was 50.0MB in the beginning and 41.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.88ms. Allocated memory is still 96.5MB. Free memory was 41.6MB in the beginning and 53.7MB in the end (delta: -12.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6034.05ms. Allocated memory was 96.5MB in the beginning and 176.2MB in the end (delta: 79.7MB). Free memory was 53.7MB in the beginning and 97.1MB in the end (delta: -43.4MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * TraceAbstraction took 115357.96ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 96.0MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. * Witness Printer took 167.60ms. Allocated memory is still 255.9MB. Free memory was 87.1MB in the beginning and 69.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 396 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 115.3s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 3828 SdHoareTripleChecker+Valid, 19.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3761 mSDsluCounter, 31493 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22278 mSDsCounter, 408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1558 IncrementalHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 408 mSolverCounterUnsat, 9215 mSDtfsCounter, 1558 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8943 GetRequests, 8505 SyntacticMatches, 0 SemanticMatches, 438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=964occurred in iteration=10, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 58 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 3610 PreInvPairs, 3734 NumberOfFragments, 531 HoareAnnotationTreeSize, 3610 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 134 FomulaSimplificationsInter, 1189 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.8s SsaConstructionTime, 20.2s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 5447 NumberOfCodeBlocks, 5447 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 8911 ConstructedInterpolants, 0 QuantifiedInterpolants, 15993 SizeOfPredicates, 191 NumberOfNonLiveVariables, 46323 ConjunctsInSsa, 404 ConjunctsInUnsatCore, 83 InterpolantComputations, 18 PerfectInterpolantSequences, 3143/5386 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) || ((!(\result == 0bv32) && i == 1bv32) && !(ret == 0bv32)) - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == next_heartbeat) || !(0bv16 == number_cdev_registered)) || !(jiffies == 0bv32)) || !(ddv_ioport_request_start == 0bv32)) || !(fixed_cdev_used == 0bv32)) || !(0bv16 == number_timer_registered)) || !(nowayout == 0bv32)) || !(ddv_ioport_request_len == 0bv32) - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: 3960]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == next_heartbeat) || !(0bv16 == number_cdev_registered)) || !(jiffies == 0bv32)) || !(ddv_ioport_request_start == 0bv32)) || !(fixed_cdev_used == 0bv32)) || !(0bv16 == number_timer_registered)) || !(nowayout == 0bv32)) || !(ddv_ioport_request_len == 0bv32) - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: ((((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && i == 0bv32) && nowayout == 0bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) || ((((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && nowayout == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: ((((ddv_ioport_request_len == 0bv32 && i == 1bv32) && !(\result == 0bv32)) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && !(ret == 0bv32) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2669]: Loop Invariant Derived loop invariant: (((((((jiffies == 0bv32 && 0bv32 == next_heartbeat) && 0bv16 == number_timer_registered) && ddv_ioport_request_len == 0bv32) && nowayout == 0bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && 0bv16 == number_cdev_registered) && ~bvsle17(~bvadd128(~sign_extendFrom16To17(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: i == 1bv32 && !(ret == 0bv32) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && !(\result == 0bv32)) && i == 1bv32) && !(ret == 0bv32)) || (((((ddv_ioport_request_len == 0bv32 && ~bvadd128(19bv32, \result) == 0bv32) && i == 1bv32) && fixed_cdev_used == 0bv32) && ddv_ioport_request_start == 0bv32) && ~bvadd128(\result, 19bv32) == 0bv32) - InvariantResult [Line: 4498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 14:15:41,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bbd6c6-2b61-41af-b2bc-5499a2ab510e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE