./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/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_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/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_efa16d9a-1a78-4822-9023-b3aa98b0eef5/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 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 --- 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 14:59:53,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:59:53,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:59:53,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:59:53,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:59:53,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:59:53,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:59:53,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:59:53,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:59:53,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:59:53,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:59:53,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:59:53,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:59:53,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:59:53,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:59:53,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:59:54,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:59:54,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:59:54,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:59:54,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:59:54,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:59:54,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:59:54,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:59:54,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:59:54,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:59:54,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:59:54,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:59:54,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:59:54,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:59:54,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:59:54,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:59:54,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:59:54,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:59:54,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:59:54,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:59:54,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:59:54,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:59:54,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:59:54,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:59:54,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:59:54,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:59:54,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:59:54,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:59:54,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:59:54,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:59:54,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:59:54,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:59:54,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:59:54,087 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:59:54,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:59:54,087 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:59:54,088 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:59:54,089 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:59:54,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:59:54,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:59:54,089 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:59:54,090 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:59:54,090 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:59:54,090 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:59:54,090 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:59:54,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:59:54,091 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:59:54,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:59:54,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:59:54,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:59:54,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:59:54,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:59:54,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:59:54,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:59:54,093 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:59:54,093 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:59:54,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:59:54,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:59:54,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:59:54,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:59:54,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:59:54,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:59:54,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:59:54,095 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:59:54,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:59:54,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:59:54,095 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:59:54,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:59:54,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:59:54,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:59:54,096 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_efa16d9a-1a78-4822-9023-b3aa98b0eef5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-11-23 14:59:54,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:59:54,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:59:54,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:59:54,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:59:54,557 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:59:54,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/array-tiling/pr3.c [2022-11-23 14:59:57,828 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:59:58,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:59:58,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/sv-benchmarks/c/array-tiling/pr3.c [2022-11-23 14:59:58,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/data/bed2148da/01b53c6735e1430aaa53a4e087e9d8a4/FLAGcf0e77bb1 [2022-11-23 14:59:58,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/data/bed2148da/01b53c6735e1430aaa53a4e087e9d8a4 [2022-11-23 14:59:58,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:59:58,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:59:58,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:59:58,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:59:58,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:59:58,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c64bb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58, skipping insertion in model container [2022-11-23 14:59:58,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:59:58,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:59:58,377 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_efa16d9a-1a78-4822-9023-b3aa98b0eef5/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-23 14:59:58,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:59:58,413 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:59:58,427 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_efa16d9a-1a78-4822-9023-b3aa98b0eef5/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-23 14:59:58,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:59:58,453 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:59:58,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58 WrapperNode [2022-11-23 14:59:58,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:59:58,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:59:58,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:59:58,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:59:58,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,496 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-23 14:59:58,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:59:58,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:59:58,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:59:58,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:59:58,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:59:58,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:59:58,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:59:58,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:59:58,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (1/1) ... [2022-11-23 14:59:58,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:59:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:59:58,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:59:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:59:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:59:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:59:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:59:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:59:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:59:58,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:59:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:59:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:59:58,753 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:59:58,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:59:59,181 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:59:59,286 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:59:59,287 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 14:59:59,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:59 BoogieIcfgContainer [2022-11-23 14:59:59,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:59:59,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:59:59,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:59:59,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:59:59,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:59:58" (1/3) ... [2022-11-23 14:59:59,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2c713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:59, skipping insertion in model container [2022-11-23 14:59:59,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:58" (2/3) ... [2022-11-23 14:59:59,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2c713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:59, skipping insertion in model container [2022-11-23 14:59:59,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:59" (3/3) ... [2022-11-23 14:59:59,313 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-11-23 14:59:59,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:59:59,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-23 14:59:59,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:59:59,407 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;@b8b7611, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:59:59,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-23 14:59:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 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 14:59:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 14:59:59,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:59,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 14:59:59,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 14:59:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash 5342220, now seen corresponding path program 1 times [2022-11-23 14:59:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:59,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931910947] [2022-11-23 14:59:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:59,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:59,916 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 14:59:59,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:59,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931910947] [2022-11-23 14:59:59,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931910947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:59,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:59,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:59:59,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981118823] [2022-11-23 14:59:59,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:59,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:59:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:59,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:59:59,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:59:59,960 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 15:00:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:00,036 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2022-11-23 15:00:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:00:00,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) Word has length 4 [2022-11-23 15:00:00,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:00,050 INFO L225 Difference]: With dead ends: 87 [2022-11-23 15:00:00,050 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 15:00:00,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:00:00,058 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 148 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:00,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:00:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 15:00:00,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-23 15:00:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.825) internal successors, (73), 68 states have internal predecessors, (73), 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 15:00:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2022-11-23 15:00:00,101 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 4 [2022-11-23 15:00:00,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:00,102 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2022-11-23 15:00:00,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 15:00:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-11-23 15:00:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:00:00,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:00,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:00:00,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:00:00,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:00,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:00,105 INFO L85 PathProgramCache]: Analyzing trace with hash 165608874, now seen corresponding path program 1 times [2022-11-23 15:00:00,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:00,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50259047] [2022-11-23 15:00:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:00,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:00,354 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 15:00:00,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:00,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50259047] [2022-11-23 15:00:00,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50259047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:00,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:00,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:00:00,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369449085] [2022-11-23 15:00:00,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:00,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:00:00,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:00:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:00:00,359 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 15:00:00,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:00,390 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-11-23 15:00:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:00:00,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-11-23 15:00:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:00,392 INFO L225 Difference]: With dead ends: 69 [2022-11-23 15:00:00,395 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 15:00:00,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:00:00,398 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 139 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:00,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:00:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 15:00:00,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 15:00:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.8) internal successors, (72), 67 states have internal predecessors, (72), 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 15:00:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-11-23 15:00:00,414 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 5 [2022-11-23 15:00:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:00,414 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-11-23 15:00:00,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 15:00:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-11-23 15:00:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:00:00,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:00,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:00,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:00:00,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:00,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1263399085, now seen corresponding path program 1 times [2022-11-23 15:00:00,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:00,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059122468] [2022-11-23 15:00:00,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:00,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:00,531 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 15:00:00,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:00,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059122468] [2022-11-23 15:00:00,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059122468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:00,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:00,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:00:00,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732696423] [2022-11-23 15:00:00,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:00,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:00:00,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:00,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:00:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:00:00,534 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15:00:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:00,775 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-11-23 15:00:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:00:00,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2022-11-23 15:00:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:00,782 INFO L225 Difference]: With dead ends: 128 [2022-11-23 15:00:00,782 INFO L226 Difference]: Without dead ends: 104 [2022-11-23 15:00:00,786 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 15:00:00,788 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:00,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 56 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-23 15:00:00,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2022-11-23 15:00:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 97 states have internal predecessors, (106), 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 15:00:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-11-23 15:00:00,806 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 8 [2022-11-23 15:00:00,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:00,807 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-23 15:00:00,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15:00:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-11-23 15:00:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:00:00,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:00,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:00,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:00:00,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:00,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash -510652293, now seen corresponding path program 1 times [2022-11-23 15:00:00,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:00,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056075560] [2022-11-23 15:00:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:00,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:00,879 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 15:00:00,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:00,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056075560] [2022-11-23 15:00:00,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056075560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:00,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:00,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:00:00,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385707573] [2022-11-23 15:00:00,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:00,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:00:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:00,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:00:00,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:00:00,882 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 15:00:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:00,981 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-11-23 15:00:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:00:00,982 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), 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) Word has length 9 [2022-11-23 15:00:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:00,985 INFO L225 Difference]: With dead ends: 103 [2022-11-23 15:00:00,985 INFO L226 Difference]: Without dead ends: 101 [2022-11-23 15:00:00,986 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 15:00:00,997 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:00,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 146 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:00:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-23 15:00:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-23 15:00:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 100 states have internal predecessors, (109), 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 15:00:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2022-11-23 15:00:01,013 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 9 [2022-11-23 15:00:01,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:01,014 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2022-11-23 15:00:01,014 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), 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 15:00:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-11-23 15:00:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:00:01,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:01,015 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:01,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:00:01,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:01,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:01,017 INFO L85 PathProgramCache]: Analyzing trace with hash -68134675, now seen corresponding path program 1 times [2022-11-23 15:00:01,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:01,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976827630] [2022-11-23 15:00:01,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:00:01,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:01,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976827630] [2022-11-23 15:00:01,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976827630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:01,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:01,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:00:01,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299779923] [2022-11-23 15:00:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:01,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:00:01,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:01,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:00:01,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:00:01,242 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 15:00:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:01,414 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2022-11-23 15:00:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:00:01,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 12 [2022-11-23 15:00:01,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:01,420 INFO L225 Difference]: With dead ends: 115 [2022-11-23 15:00:01,420 INFO L226 Difference]: Without dead ends: 106 [2022-11-23 15:00:01,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:00:01,421 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 108 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:01,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 52 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-23 15:00:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2022-11-23 15:00:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 100 states have internal predecessors, (108), 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 15:00:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2022-11-23 15:00:01,441 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 12 [2022-11-23 15:00:01,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:01,441 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2022-11-23 15:00:01,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 15:00:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2022-11-23 15:00:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 15:00:01,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:01,442 INFO L195 NwaCegarLoop]: trace histogram [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 15:00:01,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:00:01,450 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:01,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:01,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1689851049, now seen corresponding path program 1 times [2022-11-23 15:00:01,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:01,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595810882] [2022-11-23 15:00:01,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:01,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:01,571 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 15:00:01,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:01,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595810882] [2022-11-23 15:00:01,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595810882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:01,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:01,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:00:01,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066194092] [2022-11-23 15:00:01,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:01,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:00:01,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:01,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:00:01,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:00:01,573 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 15:00:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:01,718 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2022-11-23 15:00:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:00:01,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2022-11-23 15:00:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:01,720 INFO L225 Difference]: With dead ends: 106 [2022-11-23 15:00:01,720 INFO L226 Difference]: Without dead ends: 104 [2022-11-23 15:00:01,720 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 15:00:01,721 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 18 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:01,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:00:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-23 15:00:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-23 15:00:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 103 states have internal predecessors, (111), 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 15:00:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2022-11-23 15:00:01,749 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2022-11-23 15:00:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:01,749 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2022-11-23 15:00:01,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 15:00:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2022-11-23 15:00:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-23 15:00:01,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:01,751 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:00:01,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -10261982, now seen corresponding path program 1 times [2022-11-23 15:00:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:01,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991999692] [2022-11-23 15:00:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:01,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:01,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991999692] [2022-11-23 15:00:01,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991999692] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:01,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259524776] [2022-11-23 15:00:01,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:01,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:01,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:01,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:00:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:02,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:00:02,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:02,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:00:02,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259524776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:02,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:00:02,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-23 15:00:02,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951170990] [2022-11-23 15:00:02,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:02,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:00:02,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:02,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:00:02,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:00:02,154 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 15:00:02,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:02,391 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2022-11-23 15:00:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:00:02,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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) Word has length 29 [2022-11-23 15:00:02,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:02,394 INFO L225 Difference]: With dead ends: 104 [2022-11-23 15:00:02,394 INFO L226 Difference]: Without dead ends: 91 [2022-11-23 15:00:02,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:00:02,398 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 63 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:02,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 58 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-23 15:00:02,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-23 15:00:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 90 states have internal predecessors, (98), 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 15:00:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2022-11-23 15:00:02,406 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 29 [2022-11-23 15:00:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:02,406 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2022-11-23 15:00:02,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 15:00:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2022-11-23 15:00:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:00:02,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:02,408 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:02,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:02,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:02,626 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:02,627 INFO L85 PathProgramCache]: Analyzing trace with hash -318121376, now seen corresponding path program 1 times [2022-11-23 15:00:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:02,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468527921] [2022-11-23 15:00:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:02,757 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 15:00:02,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:02,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468527921] [2022-11-23 15:00:02,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468527921] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:02,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843669543] [2022-11-23 15:00:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:02,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:02,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:02,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:02,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:00:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:02,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:00:02,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:02,933 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 15:00:02,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:03,032 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 15:00:03,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843669543] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:03,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1684691467] [2022-11-23 15:00:03,056 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-23 15:00:03,056 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:03,060 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:03,066 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:03,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:03,236 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:03,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:03,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-23 15:00:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:03,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:03,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:03,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:03,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:04,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-23 15:00:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,243 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:05,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-23 15:00:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:05,727 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:05,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-23 15:00:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:06,188 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:06,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-23 15:00:06,436 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 16 treesize of output 12 [2022-11-23 15:00:06,519 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 29 treesize of output 28 [2022-11-23 15:00:06,627 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 41 treesize of output 43 [2022-11-23 15:00:06,964 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 16 treesize of output 12 [2022-11-23 15:00:07,075 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 16 treesize of output 12 [2022-11-23 15:00:07,179 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:00:09,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1684691467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:09,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:00:09,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-11-23 15:00:09,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183467252] [2022-11-23 15:00:09,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:09,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:09,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:09,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:09,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:09,687 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 15:00:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:14,402 INFO L93 Difference]: Finished difference Result 224 states and 256 transitions. [2022-11-23 15:00:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:14,403 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) Word has length 30 [2022-11-23 15:00:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:14,404 INFO L225 Difference]: With dead ends: 224 [2022-11-23 15:00:14,404 INFO L226 Difference]: Without dead ends: 162 [2022-11-23 15:00:14,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 60 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2022-11-23 15:00:14,406 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 353 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:14,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 49 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:00:14,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-23 15:00:14,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 117. [2022-11-23 15:00:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 102 states have (on average 1.2450980392156863) internal successors, (127), 116 states have internal predecessors, (127), 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 15:00:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2022-11-23 15:00:14,421 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 30 [2022-11-23 15:00:14,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:14,421 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2022-11-23 15:00:14,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 15:00:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2022-11-23 15:00:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:00:14,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:14,423 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:14,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:14,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:14,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1110985130, now seen corresponding path program 1 times [2022-11-23 15:00:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:14,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084956023] [2022-11-23 15:00:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:14,747 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 15:00:14,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:14,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084956023] [2022-11-23 15:00:14,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084956023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:14,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357728865] [2022-11-23 15:00:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:14,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:14,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:14,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:14,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:00:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:14,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:00:14,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:14,880 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 15:00:14,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:14,939 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 15:00:14,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357728865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:14,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1678408275] [2022-11-23 15:00:14,942 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-23 15:00:14,942 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:14,943 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:14,943 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:14,943 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,013 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:15,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-23 15:00:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:15,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-23 15:00:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,417 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:16,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-23 15:00:16,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:16,842 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:16,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-23 15:00:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:17,277 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:17,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-23 15:00:17,475 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 16 treesize of output 12 [2022-11-23 15:00:17,560 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 29 treesize of output 28 [2022-11-23 15:00:17,623 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 41 treesize of output 43 [2022-11-23 15:00:17,815 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 16 treesize of output 12 [2022-11-23 15:00:17,883 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 29 treesize of output 28 [2022-11-23 15:00:17,938 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:00:20,441 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2347#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= |#NULL.base| 0) (< 2147483647 (* 3 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|))' at error location [2022-11-23 15:00:20,441 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:00:20,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:00:20,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-23 15:00:20,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72660588] [2022-11-23 15:00:20,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:00:20,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:00:20,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:20,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:00:20,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:00:20,443 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 15:00:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:20,699 INFO L93 Difference]: Finished difference Result 206 states and 237 transitions. [2022-11-23 15:00:20,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:00:20,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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) Word has length 30 [2022-11-23 15:00:20,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:20,701 INFO L225 Difference]: With dead ends: 206 [2022-11-23 15:00:20,701 INFO L226 Difference]: Without dead ends: 193 [2022-11-23 15:00:20,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 57 SyntacticMatches, 14 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:00:20,703 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 160 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:20,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 94 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-23 15:00:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 148. [2022-11-23 15:00:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.1468531468531469) internal successors, (164), 147 states have internal predecessors, (164), 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 15:00:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 164 transitions. [2022-11-23 15:00:20,713 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 164 transitions. Word has length 30 [2022-11-23 15:00:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:20,714 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 164 transitions. [2022-11-23 15:00:20,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 15:00:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2022-11-23 15:00:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 15:00:20,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:20,715 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:20,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:20,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:00:20,930 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378692, now seen corresponding path program 1 times [2022-11-23 15:00:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:20,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713528932] [2022-11-23 15:00:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:21,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:21,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713528932] [2022-11-23 15:00:21,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713528932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:21,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714046350] [2022-11-23 15:00:21,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:21,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:21,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:21,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:21,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:00:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:21,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:00:21,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:21,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:00:21,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714046350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:21,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:00:21,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 15:00:21,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286308074] [2022-11-23 15:00:21,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:21,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:00:21,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:21,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:00:21,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:00:21,213 INFO L87 Difference]: Start difference. First operand 148 states and 164 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 15:00:21,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:21,362 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2022-11-23 15:00:21,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:00:21,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) Word has length 33 [2022-11-23 15:00:21,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:21,365 INFO L225 Difference]: With dead ends: 160 [2022-11-23 15:00:21,365 INFO L226 Difference]: Without dead ends: 159 [2022-11-23 15:00:21,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:00:21,366 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:21,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 52 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:00:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-23 15:00:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2022-11-23 15:00:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 143 states have (on average 1.1398601398601398) internal successors, (163), 146 states have internal predecessors, (163), 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 15:00:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2022-11-23 15:00:21,386 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 33 [2022-11-23 15:00:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:21,387 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2022-11-23 15:00:21,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 15:00:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2022-11-23 15:00:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:00:21,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:21,395 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:21,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:21,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:00:21,602 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:21,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash 862770152, now seen corresponding path program 1 times [2022-11-23 15:00:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841918612] [2022-11-23 15:00:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:21,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:21,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841918612] [2022-11-23 15:00:21,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841918612] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:21,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712834678] [2022-11-23 15:00:21,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:21,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:00:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:21,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:00:21,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:21,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:21,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712834678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:21,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1292677949] [2022-11-23 15:00:21,876 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-23 15:00:21,877 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:21,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:21,877 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:21,878 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:21,949 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:21,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:21,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-23 15:00:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:22,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-23 15:00:23,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,238 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:23,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-23 15:00:23,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,646 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:23,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-23 15:00:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:23,973 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:23,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-23 15:00:24,149 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 16 treesize of output 12 [2022-11-23 15:00:24,222 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 29 treesize of output 28 [2022-11-23 15:00:24,268 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 41 treesize of output 43 [2022-11-23 15:00:24,919 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 16 treesize of output 12 [2022-11-23 15:00:25,022 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 16 treesize of output 12 [2022-11-23 15:00:25,065 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:00:27,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1292677949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:27,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:00:27,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 25 [2022-11-23 15:00:27,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902055278] [2022-11-23 15:00:27,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:27,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 15:00:27,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:27,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 15:00:27,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:00:27,592 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 15:00:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:33,582 INFO L93 Difference]: Finished difference Result 187 states and 205 transitions. [2022-11-23 15:00:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:00:33,583 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) Word has length 34 [2022-11-23 15:00:33,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:33,584 INFO L225 Difference]: With dead ends: 187 [2022-11-23 15:00:33,584 INFO L226 Difference]: Without dead ends: 146 [2022-11-23 15:00:33,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 67 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=316, Invalid=1244, Unknown=0, NotChecked=0, Total=1560 [2022-11-23 15:00:33,586 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 327 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:33,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 19 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:00:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-11-23 15:00:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2022-11-23 15:00:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 118 states have (on average 1.1440677966101696) internal successors, (135), 121 states have internal predecessors, (135), 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 15:00:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions. [2022-11-23 15:00:33,595 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 34 [2022-11-23 15:00:33,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:33,595 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 135 transitions. [2022-11-23 15:00:33,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 15:00:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2022-11-23 15:00:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:00:33,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:33,596 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:33,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:33,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:33,803 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:33,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:33,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2035270878, now seen corresponding path program 1 times [2022-11-23 15:00:33,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:33,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637480899] [2022-11-23 15:00:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:33,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:33,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637480899] [2022-11-23 15:00:33,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637480899] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:33,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194113019] [2022-11-23 15:00:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:33,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:33,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:00:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:33,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:00:33,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:34,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:34,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194113019] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:34,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [743565343] [2022-11-23 15:00:34,055 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-23 15:00:34,055 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:34,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:34,056 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:34,057 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,123 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:34,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-23 15:00:34,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:34,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-23 15:00:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,103 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:35,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-23 15:00:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,422 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:35,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-23 15:00:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:35,782 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:35,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-23 15:00:35,950 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 16 treesize of output 12 [2022-11-23 15:00:36,006 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 29 treesize of output 28 [2022-11-23 15:00:36,060 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 41 treesize of output 43 [2022-11-23 15:00:36,438 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 16 treesize of output 12 [2022-11-23 15:00:36,498 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 29 treesize of output 28 [2022-11-23 15:00:36,534 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:00:39,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [743565343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:39,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:00:39,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 26 [2022-11-23 15:00:39,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308528642] [2022-11-23 15:00:39,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:39,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 15:00:39,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 15:00:39,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:00:39,109 INFO L87 Difference]: Start difference. First operand 122 states and 135 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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 15:00:46,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:46,261 INFO L93 Difference]: Finished difference Result 295 states and 332 transitions. [2022-11-23 15:00:46,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 15:00:46,261 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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) Word has length 34 [2022-11-23 15:00:46,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:46,262 INFO L225 Difference]: With dead ends: 295 [2022-11-23 15:00:46,262 INFO L226 Difference]: Without dead ends: 142 [2022-11-23 15:00:46,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 64 SyntacticMatches, 16 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=405, Invalid=1487, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 15:00:46,264 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 248 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:46,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 24 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:00:46,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-23 15:00:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2022-11-23 15:00:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.1382113821138211) internal successors, (140), 126 states have internal predecessors, (140), 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 15:00:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2022-11-23 15:00:46,272 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 34 [2022-11-23 15:00:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:46,272 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2022-11-23 15:00:46,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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 15:00:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2022-11-23 15:00:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:00:46,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:46,274 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:46,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:46,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:46,479 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:46,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2146725336, now seen corresponding path program 1 times [2022-11-23 15:00:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:46,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663388990] [2022-11-23 15:00:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:46,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:46,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663388990] [2022-11-23 15:00:46,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663388990] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:46,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089189697] [2022-11-23 15:00:46,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:46,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:46,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:46,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:00:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:46,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:00:46,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:46,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:46,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089189697] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:46,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [224430131] [2022-11-23 15:00:46,827 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-23 15:00:46,827 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:46,827 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:46,828 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:46,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:46,888 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:46,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:46,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-23 15:00:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:46,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:47,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:47,502 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-23 15:00:47,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 47 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 665 treesize of output 656 [2022-11-23 15:00:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:48,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,201 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:48,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 560 treesize of output 548 [2022-11-23 15:00:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:48,491 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:48,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 566 treesize of output 557 [2022-11-23 15:00:48,699 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 16 treesize of output 12 [2022-11-23 15:00:48,784 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 29 treesize of output 28 [2022-11-23 15:00:48,835 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 41 treesize of output 43 [2022-11-23 15:00:48,881 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 16 treesize of output 12 [2022-11-23 15:00:49,421 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 16 treesize of output 12 [2022-11-23 15:00:49,451 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 29 treesize of output 28 [2022-11-23 15:00:49,465 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:00:51,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [224430131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:51,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:00:51,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 27 [2022-11-23 15:00:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006411391] [2022-11-23 15:00:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:51,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 15:00:51,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:51,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 15:00:51,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2022-11-23 15:00:51,950 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 15:00:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:58,234 INFO L93 Difference]: Finished difference Result 277 states and 312 transitions. [2022-11-23 15:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 15:00:58,235 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) Word has length 34 [2022-11-23 15:00:58,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:58,236 INFO L225 Difference]: With dead ends: 277 [2022-11-23 15:00:58,236 INFO L226 Difference]: Without dead ends: 121 [2022-11-23 15:00:58,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 11 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=408, Invalid=1484, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 15:00:58,239 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 321 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:58,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 25 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:00:58,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-23 15:00:58,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2022-11-23 15:00:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 112 states have internal predecessors, (124), 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 15:00:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2022-11-23 15:00:58,246 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 34 [2022-11-23 15:00:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:58,247 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2022-11-23 15:00:58,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 15:00:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2022-11-23 15:00:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:00:58,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:58,248 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:00:58,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:00:58,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 15:00:58,454 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-23 15:00:58,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:58,454 INFO L85 PathProgramCache]: Analyzing trace with hash -315516130, now seen corresponding path program 1 times [2022-11-23 15:00:58,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:58,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845383661] [2022-11-23 15:00:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:58,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:58,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:58,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845383661] [2022-11-23 15:00:58,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845383661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:00:58,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231999321] [2022-11-23 15:00:58,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:58,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:00:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:00:58,563 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:00:58,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:00:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:58,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:00:58,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:00:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:58,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:00:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:00:58,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231999321] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:00:58,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [461889258] [2022-11-23 15:00:58,738 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-23 15:00:58,738 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:00:58,739 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:00:58,739 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:00:58,739 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:00:58,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:58,794 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-23 15:00:58,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-23 15:00:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:58,840 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:00:58,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 15:00:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:58,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-23 15:00:59,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-23 15:00:59,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-23 15:00:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-23 15:00:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-23 15:00:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-23 15:00:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:00:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:59,806 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:00:59,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-23 15:01:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:01:00,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:01:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,088 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:01:00,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-23 15:01:00,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:01:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:01:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:01:00,392 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-23 15:01:00,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-23 15:01:00,494 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 16 treesize of output 12 [2022-11-23 15:01:00,521 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 29 treesize of output 28 [2022-11-23 15:01:00,546 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 41 treesize of output 43 [2022-11-23 15:01:00,940 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 16 treesize of output 12 [2022-11-23 15:01:01,071 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 16 treesize of output 12 [2022-11-23 15:01:01,084 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:01:04,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [461889258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:04,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:01:04,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 24 [2022-11-23 15:01:04,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075689485] [2022-11-23 15:01:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:04,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 15:01:04,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:04,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 15:01:04,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:01:04,015 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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 15:01:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:09,801 INFO L93 Difference]: Finished difference Result 212 states and 242 transitions. [2022-11-23 15:01:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:01:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) Word has length 34 [2022-11-23 15:01:09,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:09,802 INFO L225 Difference]: With dead ends: 212 [2022-11-23 15:01:09,802 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:01:09,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 64 SyntacticMatches, 18 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2022-11-23 15:01:09,804 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:09,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:01:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:01:09,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:01:09,805 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 15:01:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:01:09,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-23 15:01:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:09,806 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:01:09,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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 15:01:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:01:09,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:01:09,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-23 15:01:09,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-23 15:01:09,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-23 15:01:09,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-23 15:01:09,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-23 15:01:09,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-23 15:01:09,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-23 15:01:09,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-23 15:01:09,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-23 15:01:09,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-23 15:01:09,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-23 15:01:09,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-23 15:01:09,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-23 15:01:09,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-23 15:01:09,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-23 15:01:09,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-23 15:01:09,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-23 15:01:09,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:01:10,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 15:01:10,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:01:11,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,742 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,743 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-11-23 15:01:11,744 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-11-23 15:01:11,744 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,744 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,745 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 56) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse37 (select |#memory_int| 2)) (.cse36 (div ~CELLCOUNT~0 3))) (let ((.cse0 (= ~CELLCOUNT~0 (* .cse36 3))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse37 5) 0)) (.cse6 (= 114 (select .cse37 1))) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse15 (= 51 (select .cse37 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse19 (= (select .cse37 4) 99)) (.cse20 (= 112 (select .cse37 0))) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select |#valid| 2) 1)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= (select .cse38 0) 48)) (.cse27 (= (select .cse38 1) 0)) (.cse28 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (= 46 (select .cse37 3))) (.cse31 (= 6 (select |#length| 2))) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~MINVAL~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (let ((.cse35 (mod ~CELLCOUNT~0 3))) (let ((.cse34 (and (not (= .cse35 0)) (< ~CELLCOUNT~0 0)))) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 (= (ite (= (ite .cse34 (+ .cse35 (- 3)) .cse35) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse10 (<= |ULTIMATE.start_main_~i~0#1| (ite .cse34 (+ .cse36 1) .cse36)) .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 .cse16 .cse17 .cse19 .cse20 .cse21 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse30 .cse31 .cse32 .cse33)))))) [2022-11-23 15:01:11,745 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,748 INFO L902 garLoopResultBuilder]: At program point L63(lines 13 64) the Hoare annotation is: true [2022-11-23 15:01:11,748 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-23 15:01:11,748 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-11-23 15:01:11,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,749 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,750 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,751 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-23 15:01:11,752 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-11-23 15:01:11,753 INFO L895 garLoopResultBuilder]: At program point L58-5(lines 58 61) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse33 5) 0)) (.cse6 (= 114 (select .cse33 1))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= 51 (select .cse33 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select .cse33 4) 99)) (.cse19 (= 112 (select .cse33 0))) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse26 (= (select .cse34 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse29 (= 46 (select .cse33 3))) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~i~0#1| 0) .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) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|) .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)))) [2022-11-23 15:01:11,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,753 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-23 15:01:11,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 15:01:11,758 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:11,761 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:01:11,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:01:11 BoogieIcfgContainer [2022-11-23 15:01:11,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:01:11,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:01:11,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:01:11,792 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:01:11,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:59" (3/4) ... [2022-11-23 15:01:11,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:01:11,809 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-23 15:01:11,810 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-23 15:01:11,810 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:01:11,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:01:11,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:01:11,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:01:11,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:01:11,876 INFO L158 Benchmark]: Toolchain (without parser) took 73754.28ms. Allocated memory was 165.7MB in the beginning and 415.2MB in the end (delta: 249.6MB). Free memory was 132.1MB in the beginning and 296.7MB in the end (delta: -164.7MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,876 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:01:11,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.55ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 132.1MB in the end (delta: 13.4kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,877 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 129.1MB in the end (delta: 886.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:01:11,878 INFO L158 Benchmark]: RCFGBuilder took 747.54ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 109.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,878 INFO L158 Benchmark]: TraceAbstraction took 72497.80ms. Allocated memory was 165.7MB in the beginning and 415.2MB in the end (delta: 249.6MB). Free memory was 109.0MB in the beginning and 299.9MB in the end (delta: -190.9MB). Peak memory consumption was 223.5MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,879 INFO L158 Benchmark]: Witness Printer took 82.84ms. Allocated memory is still 415.2MB. Free memory was 299.9MB in the beginning and 296.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:01:11,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.55ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 132.1MB in the end (delta: 13.4kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 129.1MB in the end (delta: 886.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.54ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 109.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 72497.80ms. Allocated memory was 165.7MB in the beginning and 415.2MB in the end (delta: 249.6MB). Free memory was 109.0MB in the beginning and 299.9MB in the end (delta: -190.9MB). Peak memory consumption was 223.5MB. Max. memory is 16.1GB. * Witness Printer took 82.84ms. Allocated memory is still 415.2MB. Free memory was 299.9MB in the beginning and 296.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: 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 1 procedures, 73 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 72.4s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2181 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2181 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 319 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3169 IncrementalHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 319 mSolverCounterUnsat, 411 mSDtfsCounter, 3169 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 768 GetRequests, 446 SyntacticMatches, 86 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3341 ImplicationChecksByTransitivity, 40.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=9, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 160 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 854 HoareAnnotationTreeSize, 3 FomulaSimplifications, 324 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2340 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 13 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 28 InterpolantComputations, 8 PerfectInterpolantSequences, 51/130 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: 14.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 160, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 564, TOOLS_POST_TIME: 13.3s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 564, TOOLS_QUANTIFIERELIM_TIME: 13.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 765, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 160, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 10.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 10.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 5397, DAG_COMPRESSION_RETAINED_NODES: 521, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= unknown-#in~cond-unknown) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#in~cond-unknown <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= unknown-#in~cond-unknown) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#in~cond-unknown <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= unknown-#in~cond-unknown) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#in~cond-unknown <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= unknown-#in~cond-unknown) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#in~cond-unknown <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == unknown-#in~cond-unknown) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && unknown-#in~cond-unknown == cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(cond == 0)) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-23 15:01:11,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa16d9a-1a78-4822-9023-b3aa98b0eef5/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