./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/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_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fb99e78b9d75c0606819cfda68512e678a695fc4531d2dd4d8a919f9d41adfc --- 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 15:40:49,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:40:49,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:40:49,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:40:49,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:40:49,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:40:49,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:40:49,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:40:49,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:40:49,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:40:49,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:40:49,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:40:49,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:40:49,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:40:49,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:40:49,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:40:49,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:40:49,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:40:49,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:40:49,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:40:49,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:40:49,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:40:49,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:40:49,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:40:49,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:40:49,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:40:49,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:40:49,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:40:49,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:40:49,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:40:49,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:40:49,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:40:49,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:40:49,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:40:49,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:40:49,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:40:49,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:40:49,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:40:49,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:40:49,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:40:49,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:40:49,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:40:49,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:40:49,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:40:49,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:40:49,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:40:49,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:40:49,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:40:49,126 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:40:49,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:40:49,126 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:40:49,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:40:49,127 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:40:49,127 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:40:49,127 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:40:49,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:40:49,128 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:40:49,128 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:40:49,128 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:40:49,128 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:40:49,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:40:49,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:40:49,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:40:49,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:40:49,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:40:49,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:40:49,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:40:49,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:40:49,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:40:49,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:40:49,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:40:49,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:49,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:40:49,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:40:49,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:40:49,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:40:49,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:40:49,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:40:49,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:40:49,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:40:49,134 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_d5478811-e75a-445c-a0d6-f710b364d35e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb99e78b9d75c0606819cfda68512e678a695fc4531d2dd4d8a919f9d41adfc [2022-11-23 15:40:49,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:40:49,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:40:49,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:40:49,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:40:49,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:40:49,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2022-11-23 15:40:52,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:40:53,018 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:40:53,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2022-11-23 15:40:53,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/117c754f5/228ad1ec2db54a8982b5517cbcb84294/FLAG4025e5ad0 [2022-11-23 15:40:53,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/117c754f5/228ad1ec2db54a8982b5517cbcb84294 [2022-11-23 15:40:53,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:40:53,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:40:53,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:53,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:40:53,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:40:53,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3310c02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53, skipping insertion in model container [2022-11-23 15:40:53,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:40:53,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:40:53,376 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_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1107,1120] [2022-11-23 15:40:53,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:53,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:40:53,866 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_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1107,1120] [2022-11-23 15:40:54,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:54,105 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:40:54,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54 WrapperNode [2022-11-23 15:40:54,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:54,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:54,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:40:54,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:40:54,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,316 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4018 [2022-11-23 15:40:54,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:54,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:40:54,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:40:54,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:40:54,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:40:54,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:40:54,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:40:54,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:40:54,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (1/1) ... [2022-11-23 15:40:54,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:40:54,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:40:54,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:40:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:40:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:40:55,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:40:55,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:41:19,114 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:41:19,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:41:19,187 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:41:19,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:19 BoogieIcfgContainer [2022-11-23 15:41:19,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:41:19,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:41:19,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:41:19,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:41:19,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:53" (1/3) ... [2022-11-23 15:41:19,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:19, skipping insertion in model container [2022-11-23 15:41:19,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:54" (2/3) ... [2022-11-23 15:41:19,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:19, skipping insertion in model container [2022-11-23 15:41:19,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:19" (3/3) ... [2022-11-23 15:41:19,201 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b05.c [2022-11-23 15:41:19,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:41:19,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:41:19,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:41:19,290 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;@4a018d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:41:19,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:41:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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 15:41:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:41:19,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:19,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:41:19,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:19,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:19,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-23 15:41:19,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:19,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361811705] [2022-11-23 15:41:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:19,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:41:19,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:41:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:41:20,218 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:41:20,220 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:41:20,222 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:41:20,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:41:20,229 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 15:41:20,234 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:41:20,318 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 15:41:20,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:41:20 BoogieIcfgContainer [2022-11-23 15:41:20,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:41:20,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:41:20,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:41:20,378 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:41:20,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:19" (3/4) ... [2022-11-23 15:41:20,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:41:20,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:41:20,387 INFO L158 Benchmark]: Toolchain (without parser) took 27325.11ms. Allocated memory was 130.0MB in the beginning and 989.9MB in the end (delta: 859.8MB). Free memory was 85.8MB in the beginning and 843.6MB in the end (delta: -757.9MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2022-11-23 15:41:20,387 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:41:20,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.85ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 85.8MB in the beginning and 124.9MB in the end (delta: -39.1MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2022-11-23 15:41:20,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.61ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 98.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 15:41:20,398 INFO L158 Benchmark]: Boogie Preprocessor took 148.31ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 85.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:41:20,398 INFO L158 Benchmark]: RCFGBuilder took 24723.65ms. Allocated memory was 176.2MB in the beginning and 989.9MB in the end (delta: 813.7MB). Free memory was 85.1MB in the beginning and 357.2MB in the end (delta: -272.1MB). Peak memory consumption was 579.2MB. Max. memory is 16.1GB. [2022-11-23 15:41:20,400 INFO L158 Benchmark]: TraceAbstraction took 1180.61ms. Allocated memory is still 989.9MB. Free memory was 356.1MB in the beginning and 843.6MB in the end (delta: -487.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:41:20,401 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 989.9MB. Free memory was 843.6MB in the beginning and 843.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:41:20,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.85ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 85.8MB in the beginning and 124.9MB in the end (delta: -39.1MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.61ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 98.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.31ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 85.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 24723.65ms. Allocated memory was 176.2MB in the beginning and 989.9MB in the end (delta: 813.7MB). Free memory was 85.1MB in the beginning and 357.2MB in the end (delta: -272.1MB). Peak memory consumption was 579.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1180.61ms. Allocated memory is still 989.9MB. Free memory was 356.1MB in the beginning and 843.6MB in the end (delta: -487.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 989.9MB. Free memory was 843.6MB in the beginning and 843.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 1095, overapproximation of bitwiseOr at line 1104, overapproximation of bitwiseAnd at line 607. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 3); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); [L31] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 32); [L32] const SORT_14 msb_SORT_14 = (SORT_14)1 << (32 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 9); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (9 - 1); [L37] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 5); [L38] const SORT_39 msb_SORT_39 = (SORT_39)1 << (5 - 1); [L40] const SORT_1116 mask_SORT_1116 = (SORT_1116)-1 >> (sizeof(SORT_1116) * 8 - 8); [L41] const SORT_1116 msb_SORT_1116 = (SORT_1116)1 << (8 - 1); [L43] const SORT_1156 mask_SORT_1156 = (SORT_1156)-1 >> (sizeof(SORT_1156) * 8 - 2); [L44] const SORT_1156 msb_SORT_1156 = (SORT_1156)1 << (2 - 1); [L46] const SORT_4 var_5 = 0; [L47] const SORT_4 var_8 = 2; [L48] const SORT_1 var_11 = 0; [L49] const SORT_14 var_16 = 1; [L50] const SORT_4 var_19 = 3; [L51] const SORT_22 var_23 = 0; [L52] const SORT_1 var_33 = 1; [L53] const SORT_22 var_37 = 50; [L54] const SORT_39 var_40 = 0; [L55] const SORT_14 var_44 = 29; [L56] const SORT_14 var_49 = 28; [L57] const SORT_14 var_54 = 27; [L58] const SORT_14 var_59 = 26; [L59] const SORT_14 var_64 = 25; [L60] const SORT_14 var_69 = 24; [L61] const SORT_14 var_74 = 23; [L62] const SORT_14 var_79 = 22; [L63] const SORT_14 var_84 = 21; [L64] const SORT_14 var_89 = 20; [L65] const SORT_14 var_94 = 19; [L66] const SORT_14 var_99 = 18; [L67] const SORT_14 var_104 = 17; [L68] const SORT_14 var_109 = 16; [L69] const SORT_14 var_114 = 15; [L70] const SORT_14 var_119 = 14; [L71] const SORT_14 var_124 = 13; [L72] const SORT_14 var_129 = 12; [L73] const SORT_14 var_134 = 11; [L74] const SORT_14 var_139 = 10; [L75] const SORT_14 var_144 = 9; [L76] const SORT_14 var_149 = 8; [L77] const SORT_14 var_154 = 7; [L78] const SORT_14 var_159 = 6; [L79] const SORT_14 var_164 = 5; [L80] const SORT_14 var_169 = 4; [L81] const SORT_14 var_174 = 3; [L82] const SORT_14 var_179 = 2; [L83] const SORT_14 var_188 = 0; [L84] const SORT_22 var_191 = 40; [L85] const SORT_22 var_308 = 490; [L86] const SORT_22 var_417 = 462; [L87] const SORT_22 var_469 = 75; [L88] const SORT_22 var_519 = 10; [L89] const SORT_22 var_567 = 125; [L90] const SORT_22 var_613 = 100; [L91] const SORT_22 var_657 = 229; [L92] const SORT_22 var_699 = 151; [L93] const SORT_22 var_811 = 494; [L94] const SORT_22 var_845 = 483; [L95] const SORT_22 var_958 = 501; [L96] const SORT_22 var_982 = 186; [L97] const SORT_22 var_1040 = 181; [L98] const SORT_22 var_1080 = 502; [L99] const SORT_4 var_1128 = 1; [L100] const SORT_4 var_1137 = 4; [L101] const SORT_14 var_1145 = 31; [L103] SORT_1 input_2; [L104] SORT_1 input_3; [L105] SORT_22 input_38; [L106] SORT_22 input_47; [L107] SORT_22 input_52; [L108] SORT_22 input_57; [L109] SORT_22 input_62; [L110] SORT_22 input_67; [L111] SORT_22 input_72; [L112] SORT_22 input_77; [L113] SORT_22 input_82; [L114] SORT_22 input_87; [L115] SORT_22 input_92; [L116] SORT_22 input_97; [L117] SORT_22 input_102; [L118] SORT_22 input_107; [L119] SORT_22 input_112; [L120] SORT_22 input_117; [L121] SORT_22 input_122; [L122] SORT_22 input_127; [L123] SORT_22 input_132; [L124] SORT_22 input_137; [L125] SORT_22 input_142; [L126] SORT_22 input_147; [L127] SORT_22 input_152; [L128] SORT_22 input_157; [L129] SORT_22 input_162; [L130] SORT_22 input_167; [L131] SORT_22 input_172; [L132] SORT_22 input_177; [L133] SORT_22 input_182; [L134] SORT_22 input_186; [L135] SORT_22 input_193; [L136] SORT_22 input_195; [L137] SORT_22 input_197; [L138] SORT_22 input_199; [L139] SORT_22 input_201; [L140] SORT_22 input_203; [L141] SORT_22 input_205; [L142] SORT_22 input_207; [L143] SORT_22 input_209; [L144] SORT_22 input_211; [L145] SORT_22 input_213; [L146] SORT_22 input_215; [L147] SORT_22 input_217; [L148] SORT_22 input_219; [L149] SORT_22 input_221; [L150] SORT_22 input_223; [L151] SORT_22 input_225; [L152] SORT_22 input_227; [L153] SORT_22 input_229; [L154] SORT_22 input_231; [L155] SORT_22 input_233; [L156] SORT_22 input_235; [L157] SORT_22 input_237; [L158] SORT_22 input_239; [L159] SORT_22 input_241; [L160] SORT_22 input_243; [L161] SORT_22 input_245; [L162] SORT_22 input_247; [L163] SORT_22 input_249; [L164] SORT_22 input_252; [L165] SORT_22 input_254; [L166] SORT_22 input_256; [L167] SORT_22 input_258; [L168] SORT_22 input_260; [L169] SORT_22 input_262; [L170] SORT_22 input_264; [L171] SORT_22 input_266; [L172] SORT_22 input_268; [L173] SORT_22 input_270; [L174] SORT_22 input_272; [L175] SORT_22 input_274; [L176] SORT_22 input_276; [L177] SORT_22 input_278; [L178] SORT_22 input_280; [L179] SORT_22 input_282; [L180] SORT_22 input_284; [L181] SORT_22 input_286; [L182] SORT_22 input_288; [L183] SORT_22 input_290; [L184] SORT_22 input_292; [L185] SORT_22 input_294; [L186] SORT_22 input_296; [L187] SORT_22 input_298; [L188] SORT_22 input_300; [L189] SORT_22 input_302; [L190] SORT_22 input_304; [L191] SORT_22 input_306; [L192] SORT_22 input_310; [L193] SORT_22 input_312; [L194] SORT_22 input_314; [L195] SORT_22 input_316; [L196] SORT_22 input_318; [L197] SORT_22 input_320; [L198] SORT_22 input_322; [L199] SORT_22 input_324; [L200] SORT_22 input_326; [L201] SORT_22 input_328; [L202] SORT_22 input_330; [L203] SORT_22 input_332; [L204] SORT_22 input_334; [L205] SORT_22 input_336; [L206] SORT_22 input_338; [L207] SORT_22 input_340; [L208] SORT_22 input_342; [L209] SORT_22 input_344; [L210] SORT_22 input_346; [L211] SORT_22 input_348; [L212] SORT_22 input_350; [L213] SORT_22 input_352; [L214] SORT_22 input_354; [L215] SORT_22 input_356; [L216] SORT_22 input_358; [L217] SORT_22 input_360; [L218] SORT_22 input_362; [L219] SORT_22 input_365; [L220] SORT_22 input_367; [L221] SORT_22 input_369; [L222] SORT_22 input_371; [L223] SORT_22 input_373; [L224] SORT_22 input_375; [L225] SORT_22 input_377; [L226] SORT_22 input_379; [L227] SORT_22 input_381; [L228] SORT_22 input_383; [L229] SORT_22 input_385; [L230] SORT_22 input_387; [L231] SORT_22 input_389; [L232] SORT_22 input_391; [L233] SORT_22 input_393; [L234] SORT_22 input_395; [L235] SORT_22 input_397; [L236] SORT_22 input_399; [L237] SORT_22 input_401; [L238] SORT_22 input_403; [L239] SORT_22 input_405; [L240] SORT_22 input_407; [L241] SORT_22 input_409; [L242] SORT_22 input_411; [L243] SORT_22 input_413; [L244] SORT_22 input_415; [L245] SORT_22 input_419; [L246] SORT_22 input_421; [L247] SORT_22 input_423; [L248] SORT_22 input_425; [L249] SORT_22 input_427; [L250] SORT_22 input_429; [L251] SORT_22 input_431; [L252] SORT_22 input_433; [L253] SORT_22 input_435; [L254] SORT_22 input_437; [L255] SORT_22 input_439; [L256] SORT_22 input_441; [L257] SORT_22 input_443; [L258] SORT_22 input_445; [L259] SORT_22 input_447; [L260] SORT_22 input_449; [L261] SORT_22 input_451; [L262] SORT_22 input_453; [L263] SORT_22 input_455; [L264] SORT_22 input_457; [L265] SORT_22 input_459; [L266] SORT_22 input_461; [L267] SORT_22 input_463; [L268] SORT_22 input_465; [L269] SORT_22 input_467; [L270] SORT_22 input_471; [L271] SORT_22 input_473; [L272] SORT_22 input_475; [L273] SORT_22 input_477; [L274] SORT_22 input_479; [L275] SORT_22 input_481; [L276] SORT_22 input_483; [L277] SORT_22 input_485; [L278] SORT_22 input_487; [L279] SORT_22 input_489; [L280] SORT_22 input_491; [L281] SORT_22 input_493; [L282] SORT_22 input_495; [L283] SORT_22 input_497; [L284] SORT_22 input_499; [L285] SORT_22 input_501; [L286] SORT_22 input_503; [L287] SORT_22 input_505; [L288] SORT_22 input_507; [L289] SORT_22 input_509; [L290] SORT_22 input_511; [L291] SORT_22 input_513; [L292] SORT_22 input_515; [L293] SORT_22 input_517; [L294] SORT_22 input_521; [L295] SORT_22 input_523; [L296] SORT_22 input_525; [L297] SORT_22 input_527; [L298] SORT_22 input_529; [L299] SORT_22 input_531; [L300] SORT_22 input_533; [L301] SORT_22 input_535; [L302] SORT_22 input_537; [L303] SORT_22 input_539; [L304] SORT_22 input_541; [L305] SORT_22 input_543; [L306] SORT_22 input_545; [L307] SORT_22 input_547; [L308] SORT_22 input_549; [L309] SORT_22 input_551; [L310] SORT_22 input_553; [L311] SORT_22 input_555; [L312] SORT_22 input_557; [L313] SORT_22 input_559; [L314] SORT_22 input_561; [L315] SORT_22 input_563; [L316] SORT_22 input_565; [L317] SORT_22 input_569; [L318] SORT_22 input_571; [L319] SORT_22 input_573; [L320] SORT_22 input_575; [L321] SORT_22 input_577; [L322] SORT_22 input_579; [L323] SORT_22 input_581; [L324] SORT_22 input_583; [L325] SORT_22 input_585; [L326] SORT_22 input_587; [L327] SORT_22 input_589; [L328] SORT_22 input_591; [L329] SORT_22 input_593; [L330] SORT_22 input_595; [L331] SORT_22 input_597; [L332] SORT_22 input_599; [L333] SORT_22 input_601; [L334] SORT_22 input_603; [L335] SORT_22 input_605; [L336] SORT_22 input_607; [L337] SORT_22 input_609; [L338] SORT_22 input_611; [L339] SORT_22 input_615; [L340] SORT_22 input_617; [L341] SORT_22 input_619; [L342] SORT_22 input_621; [L343] SORT_22 input_623; [L344] SORT_22 input_625; [L345] SORT_22 input_627; [L346] SORT_22 input_629; [L347] SORT_22 input_631; [L348] SORT_22 input_633; [L349] SORT_22 input_635; [L350] SORT_22 input_637; [L351] SORT_22 input_639; [L352] SORT_22 input_641; [L353] SORT_22 input_643; [L354] SORT_22 input_645; [L355] SORT_22 input_647; [L356] SORT_22 input_649; [L357] SORT_22 input_651; [L358] SORT_22 input_653; [L359] SORT_22 input_655; [L360] SORT_22 input_659; [L361] SORT_22 input_661; [L362] SORT_22 input_663; [L363] SORT_22 input_665; [L364] SORT_22 input_667; [L365] SORT_22 input_669; [L366] SORT_22 input_671; [L367] SORT_22 input_673; [L368] SORT_22 input_675; [L369] SORT_22 input_677; [L370] SORT_22 input_679; [L371] SORT_22 input_681; [L372] SORT_22 input_683; [L373] SORT_22 input_685; [L374] SORT_22 input_687; [L375] SORT_22 input_689; [L376] SORT_22 input_691; [L377] SORT_22 input_693; [L378] SORT_22 input_695; [L379] SORT_22 input_697; [L380] SORT_22 input_701; [L381] SORT_22 input_703; [L382] SORT_22 input_705; [L383] SORT_22 input_707; [L384] SORT_22 input_709; [L385] SORT_22 input_711; [L386] SORT_22 input_713; [L387] SORT_22 input_715; [L388] SORT_22 input_717; [L389] SORT_22 input_719; [L390] SORT_22 input_721; [L391] SORT_22 input_723; [L392] SORT_22 input_725; [L393] SORT_22 input_727; [L394] SORT_22 input_729; [L395] SORT_22 input_731; [L396] SORT_22 input_733; [L397] SORT_22 input_735; [L398] SORT_22 input_737; [L399] SORT_22 input_740; [L400] SORT_22 input_742; [L401] SORT_22 input_744; [L402] SORT_22 input_746; [L403] SORT_22 input_748; [L404] SORT_22 input_750; [L405] SORT_22 input_752; [L406] SORT_22 input_754; [L407] SORT_22 input_756; [L408] SORT_22 input_758; [L409] SORT_22 input_760; [L410] SORT_22 input_762; [L411] SORT_22 input_764; [L412] SORT_22 input_766; [L413] SORT_22 input_768; [L414] SORT_22 input_770; [L415] SORT_22 input_772; [L416] SORT_22 input_774; [L417] SORT_22 input_777; [L418] SORT_22 input_779; [L419] SORT_22 input_781; [L420] SORT_22 input_783; [L421] SORT_22 input_785; [L422] SORT_22 input_787; [L423] SORT_22 input_789; [L424] SORT_22 input_791; [L425] SORT_22 input_793; [L426] SORT_22 input_795; [L427] SORT_22 input_797; [L428] SORT_22 input_799; [L429] SORT_22 input_801; [L430] SORT_22 input_803; [L431] SORT_22 input_805; [L432] SORT_22 input_807; [L433] SORT_22 input_809; [L434] SORT_22 input_813; [L435] SORT_22 input_815; [L436] SORT_22 input_817; [L437] SORT_22 input_819; [L438] SORT_22 input_821; [L439] SORT_22 input_823; [L440] SORT_22 input_825; [L441] SORT_22 input_827; [L442] SORT_22 input_829; [L443] SORT_22 input_831; [L444] SORT_22 input_833; [L445] SORT_22 input_835; [L446] SORT_22 input_837; [L447] SORT_22 input_839; [L448] SORT_22 input_841; [L449] SORT_22 input_843; [L450] SORT_22 input_847; [L451] SORT_22 input_849; [L452] SORT_22 input_851; [L453] SORT_22 input_853; [L454] SORT_22 input_855; [L455] SORT_22 input_857; [L456] SORT_22 input_859; [L457] SORT_22 input_861; [L458] SORT_22 input_863; [L459] SORT_22 input_865; [L460] SORT_22 input_867; [L461] SORT_22 input_869; [L462] SORT_22 input_871; [L463] SORT_22 input_873; [L464] SORT_22 input_875; [L465] SORT_22 input_878; [L466] SORT_22 input_880; [L467] SORT_22 input_882; [L468] SORT_22 input_884; [L469] SORT_22 input_886; [L470] SORT_22 input_888; [L471] SORT_22 input_890; [L472] SORT_22 input_892; [L473] SORT_22 input_894; [L474] SORT_22 input_896; [L475] SORT_22 input_898; [L476] SORT_22 input_900; [L477] SORT_22 input_902; [L478] SORT_22 input_904; [L479] SORT_22 input_907; [L480] SORT_22 input_909; [L481] SORT_22 input_911; [L482] SORT_22 input_913; [L483] SORT_22 input_915; [L484] SORT_22 input_917; [L485] SORT_22 input_919; [L486] SORT_22 input_921; [L487] SORT_22 input_923; [L488] SORT_22 input_925; [L489] SORT_22 input_927; [L490] SORT_22 input_929; [L491] SORT_22 input_931; [L492] SORT_22 input_934; [L493] SORT_22 input_936; [L494] SORT_22 input_938; [L495] SORT_22 input_940; [L496] SORT_22 input_942; [L497] SORT_22 input_944; [L498] SORT_22 input_946; [L499] SORT_22 input_948; [L500] SORT_22 input_950; [L501] SORT_22 input_952; [L502] SORT_22 input_954; [L503] SORT_22 input_956; [L504] SORT_22 input_960; [L505] SORT_22 input_962; [L506] SORT_22 input_964; [L507] SORT_22 input_966; [L508] SORT_22 input_968; [L509] SORT_22 input_970; [L510] SORT_22 input_972; [L511] SORT_22 input_974; [L512] SORT_22 input_976; [L513] SORT_22 input_978; [L514] SORT_22 input_980; [L515] SORT_22 input_984; [L516] SORT_22 input_986; [L517] SORT_22 input_988; [L518] SORT_22 input_990; [L519] SORT_22 input_992; [L520] SORT_22 input_994; [L521] SORT_22 input_996; [L522] SORT_22 input_998; [L523] SORT_22 input_1000; [L524] SORT_22 input_1002; [L525] SORT_22 input_1005; [L526] SORT_22 input_1007; [L527] SORT_22 input_1009; [L528] SORT_22 input_1011; [L529] SORT_22 input_1013; [L530] SORT_22 input_1015; [L531] SORT_22 input_1017; [L532] SORT_22 input_1019; [L533] SORT_22 input_1021; [L534] SORT_22 input_1024; [L535] SORT_22 input_1026; [L536] SORT_22 input_1028; [L537] SORT_22 input_1030; [L538] SORT_22 input_1032; [L539] SORT_22 input_1034; [L540] SORT_22 input_1036; [L541] SORT_22 input_1038; [L542] SORT_22 input_1042; [L543] SORT_22 input_1044; [L544] SORT_22 input_1046; [L545] SORT_22 input_1048; [L546] SORT_22 input_1050; [L547] SORT_22 input_1052; [L548] SORT_22 input_1054; [L549] SORT_22 input_1057; [L550] SORT_22 input_1059; [L551] SORT_22 input_1061; [L552] SORT_22 input_1063; [L553] SORT_22 input_1065; [L554] SORT_22 input_1067; [L555] SORT_22 input_1070; [L556] SORT_22 input_1072; [L557] SORT_22 input_1074; [L558] SORT_22 input_1076; [L559] SORT_22 input_1078; [L560] SORT_22 input_1082; [L561] SORT_22 input_1084; [L562] SORT_22 input_1086; [L563] SORT_22 input_1088; [L564] SORT_22 input_1091; [L565] SORT_22 input_1093; [L566] SORT_22 input_1095; [L567] SORT_22 input_1098; [L568] SORT_22 input_1100; [L569] SORT_22 input_1103; [L570] SORT_1 input_1110; [L571] SORT_1 input_1112; [L572] SORT_39 input_1122; [L573] SORT_4 input_1131; [L574] SORT_4 input_1140; [L575] SORT_4 input_1141; [L576] SORT_4 input_1142; [L577] SORT_1 input_1164; [L578] SORT_22 input_1173; [L579] SORT_22 input_1174; [L580] SORT_22 input_1175; [L581] SORT_22 input_1176; [L582] SORT_22 input_1180; [L583] SORT_22 input_1185; [L584] SORT_39 input_1200; [L585] SORT_39 input_1206; [L587] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L588] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L589] SORT_22 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L590] SORT_22 state_26 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L591] SORT_39 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_39; [L593] SORT_4 init_7_arg_1 = var_5; [L594] state_6 = init_7_arg_1 [L595] SORT_1 init_13_arg_1 = var_11; [L596] state_12 = init_13_arg_1 [L597] SORT_22 init_25_arg_1 = var_23; [L598] state_24 = init_25_arg_1 [L599] SORT_22 init_27_arg_1 = var_23; [L600] state_26 = init_27_arg_1 [L601] SORT_39 init_42_arg_1 = var_40; [L602] state_41 = init_42_arg_1 VAL [init_13_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_7_arg_1=0, mask_SORT_1=1, mask_SORT_1116=255, mask_SORT_1156=3, mask_SORT_14=4294967295, mask_SORT_22=511, mask_SORT_39=31, mask_SORT_4=7, msb_SORT_1=1, msb_SORT_1116=128, msb_SORT_1156=2, msb_SORT_14=2147483648, msb_SORT_22=256, msb_SORT_39=16, msb_SORT_4=4, state_12=0, state_24=0, state_26=0, state_41=0, state_6=0, var_104=17, var_1040=181, var_1080=502, var_109=16, var_11=0, var_1128=1, var_1137=4, var_114=15, var_1145=31, var_119=14, var_124=13, var_129=12, var_134=11, var_139=10, var_144=9, var_149=8, var_154=7, var_159=6, var_16=1, var_164=5, var_169=4, var_174=3, var_179=2, var_188=0, var_19=3, var_191=40, var_23=0, var_308=490, var_33=1, var_37=50, var_40=0, var_417=462, var_44=29, var_469=75, var_49=28, var_5=0, var_519=10, var_54=27, var_567=125, var_59=26, var_613=100, var_64=25, var_657=229, var_69=24, var_699=151, var_74=23, var_79=22, var_8=2, var_811=494, var_84=21, var_845=483, var_89=20, var_94=19, var_958=501, var_982=186, var_99=18] [L605] input_2 = __VERIFIER_nondet_uchar() [L606] input_3 = __VERIFIER_nondet_uchar() [L607] input_3 = input_3 & mask_SORT_1 [L608] input_38 = __VERIFIER_nondet_ushort() [L609] input_47 = __VERIFIER_nondet_ushort() [L610] input_52 = __VERIFIER_nondet_ushort() [L611] input_57 = __VERIFIER_nondet_ushort() [L612] input_62 = __VERIFIER_nondet_ushort() [L613] input_67 = __VERIFIER_nondet_ushort() [L614] input_72 = __VERIFIER_nondet_ushort() [L615] input_77 = __VERIFIER_nondet_ushort() [L616] input_82 = __VERIFIER_nondet_ushort() [L617] input_87 = __VERIFIER_nondet_ushort() [L618] input_92 = __VERIFIER_nondet_ushort() [L619] input_97 = __VERIFIER_nondet_ushort() [L620] input_102 = __VERIFIER_nondet_ushort() [L621] input_107 = __VERIFIER_nondet_ushort() [L622] input_112 = __VERIFIER_nondet_ushort() [L623] input_117 = __VERIFIER_nondet_ushort() [L624] input_122 = __VERIFIER_nondet_ushort() [L625] input_127 = __VERIFIER_nondet_ushort() [L626] input_132 = __VERIFIER_nondet_ushort() [L627] input_137 = __VERIFIER_nondet_ushort() [L628] input_142 = __VERIFIER_nondet_ushort() [L629] input_147 = __VERIFIER_nondet_ushort() [L630] input_152 = __VERIFIER_nondet_ushort() [L631] input_157 = __VERIFIER_nondet_ushort() [L632] input_162 = __VERIFIER_nondet_ushort() [L633] input_167 = __VERIFIER_nondet_ushort() [L634] input_172 = __VERIFIER_nondet_ushort() [L635] input_177 = __VERIFIER_nondet_ushort() [L636] input_182 = __VERIFIER_nondet_ushort() [L637] input_186 = __VERIFIER_nondet_ushort() [L638] input_193 = __VERIFIER_nondet_ushort() [L639] input_195 = __VERIFIER_nondet_ushort() [L640] input_197 = __VERIFIER_nondet_ushort() [L641] input_199 = __VERIFIER_nondet_ushort() [L642] input_201 = __VERIFIER_nondet_ushort() [L643] input_203 = __VERIFIER_nondet_ushort() [L644] input_205 = __VERIFIER_nondet_ushort() [L645] input_207 = __VERIFIER_nondet_ushort() [L646] input_209 = __VERIFIER_nondet_ushort() [L647] input_211 = __VERIFIER_nondet_ushort() [L648] input_213 = __VERIFIER_nondet_ushort() [L649] input_215 = __VERIFIER_nondet_ushort() [L650] input_217 = __VERIFIER_nondet_ushort() [L651] input_219 = __VERIFIER_nondet_ushort() [L652] input_221 = __VERIFIER_nondet_ushort() [L653] input_223 = __VERIFIER_nondet_ushort() [L654] input_225 = __VERIFIER_nondet_ushort() [L655] input_227 = __VERIFIER_nondet_ushort() [L656] input_229 = __VERIFIER_nondet_ushort() [L657] input_231 = __VERIFIER_nondet_ushort() [L658] input_233 = __VERIFIER_nondet_ushort() [L659] input_235 = __VERIFIER_nondet_ushort() [L660] input_237 = __VERIFIER_nondet_ushort() [L661] input_239 = __VERIFIER_nondet_ushort() [L662] input_241 = __VERIFIER_nondet_ushort() [L663] input_243 = __VERIFIER_nondet_ushort() [L664] input_245 = __VERIFIER_nondet_ushort() [L665] input_247 = __VERIFIER_nondet_ushort() [L666] input_249 = __VERIFIER_nondet_ushort() [L667] input_252 = __VERIFIER_nondet_ushort() [L668] input_254 = __VERIFIER_nondet_ushort() [L669] input_256 = __VERIFIER_nondet_ushort() [L670] input_258 = __VERIFIER_nondet_ushort() [L671] input_260 = __VERIFIER_nondet_ushort() [L672] input_262 = __VERIFIER_nondet_ushort() [L673] input_264 = __VERIFIER_nondet_ushort() [L674] input_266 = __VERIFIER_nondet_ushort() [L675] input_268 = __VERIFIER_nondet_ushort() [L676] input_270 = __VERIFIER_nondet_ushort() [L677] input_272 = __VERIFIER_nondet_ushort() [L678] input_274 = __VERIFIER_nondet_ushort() [L679] input_276 = __VERIFIER_nondet_ushort() [L680] input_278 = __VERIFIER_nondet_ushort() [L681] input_280 = __VERIFIER_nondet_ushort() [L682] input_282 = __VERIFIER_nondet_ushort() [L683] input_284 = __VERIFIER_nondet_ushort() [L684] input_286 = __VERIFIER_nondet_ushort() [L685] input_288 = __VERIFIER_nondet_ushort() [L686] input_290 = __VERIFIER_nondet_ushort() [L687] input_292 = __VERIFIER_nondet_ushort() [L688] input_294 = __VERIFIER_nondet_ushort() [L689] input_296 = __VERIFIER_nondet_ushort() [L690] input_298 = __VERIFIER_nondet_ushort() [L691] input_300 = __VERIFIER_nondet_ushort() [L692] input_302 = __VERIFIER_nondet_ushort() [L693] input_304 = __VERIFIER_nondet_ushort() [L694] input_306 = __VERIFIER_nondet_ushort() [L695] input_310 = __VERIFIER_nondet_ushort() [L696] input_312 = __VERIFIER_nondet_ushort() [L697] input_314 = __VERIFIER_nondet_ushort() [L698] input_316 = __VERIFIER_nondet_ushort() [L699] input_318 = __VERIFIER_nondet_ushort() [L700] input_320 = __VERIFIER_nondet_ushort() [L701] input_322 = __VERIFIER_nondet_ushort() [L702] input_324 = __VERIFIER_nondet_ushort() [L703] input_326 = __VERIFIER_nondet_ushort() [L704] input_328 = __VERIFIER_nondet_ushort() [L705] input_330 = __VERIFIER_nondet_ushort() [L706] input_332 = __VERIFIER_nondet_ushort() [L707] input_334 = __VERIFIER_nondet_ushort() [L708] input_336 = __VERIFIER_nondet_ushort() [L709] input_338 = __VERIFIER_nondet_ushort() [L710] input_340 = __VERIFIER_nondet_ushort() [L711] input_342 = __VERIFIER_nondet_ushort() [L712] input_344 = __VERIFIER_nondet_ushort() [L713] input_346 = __VERIFIER_nondet_ushort() [L714] input_348 = __VERIFIER_nondet_ushort() [L715] input_350 = __VERIFIER_nondet_ushort() [L716] input_352 = __VERIFIER_nondet_ushort() [L717] input_354 = __VERIFIER_nondet_ushort() [L718] input_356 = __VERIFIER_nondet_ushort() [L719] input_358 = __VERIFIER_nondet_ushort() [L720] input_360 = __VERIFIER_nondet_ushort() [L721] input_362 = __VERIFIER_nondet_ushort() [L722] input_365 = __VERIFIER_nondet_ushort() [L723] input_367 = __VERIFIER_nondet_ushort() [L724] input_369 = __VERIFIER_nondet_ushort() [L725] input_371 = __VERIFIER_nondet_ushort() [L726] input_373 = __VERIFIER_nondet_ushort() [L727] input_375 = __VERIFIER_nondet_ushort() [L728] input_377 = __VERIFIER_nondet_ushort() [L729] input_379 = __VERIFIER_nondet_ushort() [L730] input_381 = __VERIFIER_nondet_ushort() [L731] input_383 = __VERIFIER_nondet_ushort() [L732] input_385 = __VERIFIER_nondet_ushort() [L733] input_387 = __VERIFIER_nondet_ushort() [L734] input_389 = __VERIFIER_nondet_ushort() [L735] input_391 = __VERIFIER_nondet_ushort() [L736] input_393 = __VERIFIER_nondet_ushort() [L737] input_395 = __VERIFIER_nondet_ushort() [L738] input_397 = __VERIFIER_nondet_ushort() [L739] input_399 = __VERIFIER_nondet_ushort() [L740] input_401 = __VERIFIER_nondet_ushort() [L741] input_403 = __VERIFIER_nondet_ushort() [L742] input_405 = __VERIFIER_nondet_ushort() [L743] input_407 = __VERIFIER_nondet_ushort() [L744] input_409 = __VERIFIER_nondet_ushort() [L745] input_411 = __VERIFIER_nondet_ushort() [L746] input_413 = __VERIFIER_nondet_ushort() [L747] input_415 = __VERIFIER_nondet_ushort() [L748] input_419 = __VERIFIER_nondet_ushort() [L749] input_421 = __VERIFIER_nondet_ushort() [L750] input_423 = __VERIFIER_nondet_ushort() [L751] input_425 = __VERIFIER_nondet_ushort() [L752] input_427 = __VERIFIER_nondet_ushort() [L753] input_429 = __VERIFIER_nondet_ushort() [L754] input_431 = __VERIFIER_nondet_ushort() [L755] input_433 = __VERIFIER_nondet_ushort() [L756] input_435 = __VERIFIER_nondet_ushort() [L757] input_437 = __VERIFIER_nondet_ushort() [L758] input_439 = __VERIFIER_nondet_ushort() [L759] input_441 = __VERIFIER_nondet_ushort() [L760] input_443 = __VERIFIER_nondet_ushort() [L761] input_445 = __VERIFIER_nondet_ushort() [L762] input_447 = __VERIFIER_nondet_ushort() [L763] input_449 = __VERIFIER_nondet_ushort() [L764] input_451 = __VERIFIER_nondet_ushort() [L765] input_453 = __VERIFIER_nondet_ushort() [L766] input_455 = __VERIFIER_nondet_ushort() [L767] input_457 = __VERIFIER_nondet_ushort() [L768] input_459 = __VERIFIER_nondet_ushort() [L769] input_461 = __VERIFIER_nondet_ushort() [L770] input_463 = __VERIFIER_nondet_ushort() [L771] input_465 = __VERIFIER_nondet_ushort() [L772] input_467 = __VERIFIER_nondet_ushort() [L773] input_471 = __VERIFIER_nondet_ushort() [L774] input_473 = __VERIFIER_nondet_ushort() [L775] input_475 = __VERIFIER_nondet_ushort() [L776] input_477 = __VERIFIER_nondet_ushort() [L777] input_479 = __VERIFIER_nondet_ushort() [L778] input_481 = __VERIFIER_nondet_ushort() [L779] input_483 = __VERIFIER_nondet_ushort() [L780] input_485 = __VERIFIER_nondet_ushort() [L781] input_487 = __VERIFIER_nondet_ushort() [L782] input_489 = __VERIFIER_nondet_ushort() [L783] input_491 = __VERIFIER_nondet_ushort() [L784] input_493 = __VERIFIER_nondet_ushort() [L785] input_495 = __VERIFIER_nondet_ushort() [L786] input_497 = __VERIFIER_nondet_ushort() [L787] input_499 = __VERIFIER_nondet_ushort() [L788] input_501 = __VERIFIER_nondet_ushort() [L789] input_503 = __VERIFIER_nondet_ushort() [L790] input_505 = __VERIFIER_nondet_ushort() [L791] input_507 = __VERIFIER_nondet_ushort() [L792] input_509 = __VERIFIER_nondet_ushort() [L793] input_511 = __VERIFIER_nondet_ushort() [L794] input_513 = __VERIFIER_nondet_ushort() [L795] input_515 = __VERIFIER_nondet_ushort() [L796] input_517 = __VERIFIER_nondet_ushort() [L797] input_521 = __VERIFIER_nondet_ushort() [L798] input_523 = __VERIFIER_nondet_ushort() [L799] input_525 = __VERIFIER_nondet_ushort() [L800] input_527 = __VERIFIER_nondet_ushort() [L801] input_529 = __VERIFIER_nondet_ushort() [L802] input_531 = __VERIFIER_nondet_ushort() [L803] input_533 = __VERIFIER_nondet_ushort() [L804] input_535 = __VERIFIER_nondet_ushort() [L805] input_537 = __VERIFIER_nondet_ushort() [L806] input_539 = __VERIFIER_nondet_ushort() [L807] input_541 = __VERIFIER_nondet_ushort() [L808] input_543 = __VERIFIER_nondet_ushort() [L809] input_545 = __VERIFIER_nondet_ushort() [L810] input_547 = __VERIFIER_nondet_ushort() [L811] input_549 = __VERIFIER_nondet_ushort() [L812] input_551 = __VERIFIER_nondet_ushort() [L813] input_553 = __VERIFIER_nondet_ushort() [L814] input_555 = __VERIFIER_nondet_ushort() [L815] input_557 = __VERIFIER_nondet_ushort() [L816] input_559 = __VERIFIER_nondet_ushort() [L817] input_561 = __VERIFIER_nondet_ushort() [L818] input_563 = __VERIFIER_nondet_ushort() [L819] input_565 = __VERIFIER_nondet_ushort() [L820] input_569 = __VERIFIER_nondet_ushort() [L821] input_571 = __VERIFIER_nondet_ushort() [L822] input_573 = __VERIFIER_nondet_ushort() [L823] input_575 = __VERIFIER_nondet_ushort() [L824] input_577 = __VERIFIER_nondet_ushort() [L825] input_579 = __VERIFIER_nondet_ushort() [L826] input_581 = __VERIFIER_nondet_ushort() [L827] input_583 = __VERIFIER_nondet_ushort() [L828] input_585 = __VERIFIER_nondet_ushort() [L829] input_587 = __VERIFIER_nondet_ushort() [L830] input_589 = __VERIFIER_nondet_ushort() [L831] input_591 = __VERIFIER_nondet_ushort() [L832] input_593 = __VERIFIER_nondet_ushort() [L833] input_595 = __VERIFIER_nondet_ushort() [L834] input_597 = __VERIFIER_nondet_ushort() [L835] input_599 = __VERIFIER_nondet_ushort() [L836] input_601 = __VERIFIER_nondet_ushort() [L837] input_603 = __VERIFIER_nondet_ushort() [L838] input_605 = __VERIFIER_nondet_ushort() [L839] input_607 = __VERIFIER_nondet_ushort() [L840] input_609 = __VERIFIER_nondet_ushort() [L841] input_611 = __VERIFIER_nondet_ushort() [L842] input_615 = __VERIFIER_nondet_ushort() [L843] input_617 = __VERIFIER_nondet_ushort() [L844] input_619 = __VERIFIER_nondet_ushort() [L845] input_621 = __VERIFIER_nondet_ushort() [L846] input_623 = __VERIFIER_nondet_ushort() [L847] input_625 = __VERIFIER_nondet_ushort() [L848] input_627 = __VERIFIER_nondet_ushort() [L849] input_629 = __VERIFIER_nondet_ushort() [L850] input_631 = __VERIFIER_nondet_ushort() [L851] input_633 = __VERIFIER_nondet_ushort() [L852] input_635 = __VERIFIER_nondet_ushort() [L853] input_637 = __VERIFIER_nondet_ushort() [L854] input_639 = __VERIFIER_nondet_ushort() [L855] input_641 = __VERIFIER_nondet_ushort() [L856] input_643 = __VERIFIER_nondet_ushort() [L857] input_645 = __VERIFIER_nondet_ushort() [L858] input_647 = __VERIFIER_nondet_ushort() [L859] input_649 = __VERIFIER_nondet_ushort() [L860] input_651 = __VERIFIER_nondet_ushort() [L861] input_653 = __VERIFIER_nondet_ushort() [L862] input_655 = __VERIFIER_nondet_ushort() [L863] input_659 = __VERIFIER_nondet_ushort() [L864] input_661 = __VERIFIER_nondet_ushort() [L865] input_663 = __VERIFIER_nondet_ushort() [L866] input_665 = __VERIFIER_nondet_ushort() [L867] input_667 = __VERIFIER_nondet_ushort() [L868] input_669 = __VERIFIER_nondet_ushort() [L869] input_671 = __VERIFIER_nondet_ushort() [L870] input_673 = __VERIFIER_nondet_ushort() [L871] input_675 = __VERIFIER_nondet_ushort() [L872] input_677 = __VERIFIER_nondet_ushort() [L873] input_679 = __VERIFIER_nondet_ushort() [L874] input_681 = __VERIFIER_nondet_ushort() [L875] input_683 = __VERIFIER_nondet_ushort() [L876] input_685 = __VERIFIER_nondet_ushort() [L877] input_687 = __VERIFIER_nondet_ushort() [L878] input_689 = __VERIFIER_nondet_ushort() [L879] input_691 = __VERIFIER_nondet_ushort() [L880] input_693 = __VERIFIER_nondet_ushort() [L881] input_695 = __VERIFIER_nondet_ushort() [L882] input_697 = __VERIFIER_nondet_ushort() [L883] input_701 = __VERIFIER_nondet_ushort() [L884] input_703 = __VERIFIER_nondet_ushort() [L885] input_705 = __VERIFIER_nondet_ushort() [L886] input_707 = __VERIFIER_nondet_ushort() [L887] input_709 = __VERIFIER_nondet_ushort() [L888] input_711 = __VERIFIER_nondet_ushort() [L889] input_713 = __VERIFIER_nondet_ushort() [L890] input_715 = __VERIFIER_nondet_ushort() [L891] input_717 = __VERIFIER_nondet_ushort() [L892] input_719 = __VERIFIER_nondet_ushort() [L893] input_721 = __VERIFIER_nondet_ushort() [L894] input_723 = __VERIFIER_nondet_ushort() [L895] input_725 = __VERIFIER_nondet_ushort() [L896] input_727 = __VERIFIER_nondet_ushort() [L897] input_729 = __VERIFIER_nondet_ushort() [L898] input_731 = __VERIFIER_nondet_ushort() [L899] input_733 = __VERIFIER_nondet_ushort() [L900] input_735 = __VERIFIER_nondet_ushort() [L901] input_737 = __VERIFIER_nondet_ushort() [L902] input_740 = __VERIFIER_nondet_ushort() [L903] input_742 = __VERIFIER_nondet_ushort() [L904] input_744 = __VERIFIER_nondet_ushort() [L905] input_746 = __VERIFIER_nondet_ushort() [L906] input_748 = __VERIFIER_nondet_ushort() [L907] input_750 = __VERIFIER_nondet_ushort() [L908] input_752 = __VERIFIER_nondet_ushort() [L909] input_754 = __VERIFIER_nondet_ushort() [L910] input_756 = __VERIFIER_nondet_ushort() [L911] input_758 = __VERIFIER_nondet_ushort() [L912] input_760 = __VERIFIER_nondet_ushort() [L913] input_762 = __VERIFIER_nondet_ushort() [L914] input_764 = __VERIFIER_nondet_ushort() [L915] input_766 = __VERIFIER_nondet_ushort() [L916] input_768 = __VERIFIER_nondet_ushort() [L917] input_770 = __VERIFIER_nondet_ushort() [L918] input_772 = __VERIFIER_nondet_ushort() [L919] input_774 = __VERIFIER_nondet_ushort() [L920] input_777 = __VERIFIER_nondet_ushort() [L921] input_779 = __VERIFIER_nondet_ushort() [L922] input_781 = __VERIFIER_nondet_ushort() [L923] input_783 = __VERIFIER_nondet_ushort() [L924] input_785 = __VERIFIER_nondet_ushort() [L925] input_787 = __VERIFIER_nondet_ushort() [L926] input_789 = __VERIFIER_nondet_ushort() [L927] input_791 = __VERIFIER_nondet_ushort() [L928] input_793 = __VERIFIER_nondet_ushort() [L929] input_795 = __VERIFIER_nondet_ushort() [L930] input_797 = __VERIFIER_nondet_ushort() [L931] input_799 = __VERIFIER_nondet_ushort() [L932] input_801 = __VERIFIER_nondet_ushort() [L933] input_803 = __VERIFIER_nondet_ushort() [L934] input_805 = __VERIFIER_nondet_ushort() [L935] input_807 = __VERIFIER_nondet_ushort() [L936] input_809 = __VERIFIER_nondet_ushort() [L937] input_813 = __VERIFIER_nondet_ushort() [L938] input_815 = __VERIFIER_nondet_ushort() [L939] input_817 = __VERIFIER_nondet_ushort() [L940] input_819 = __VERIFIER_nondet_ushort() [L941] input_821 = __VERIFIER_nondet_ushort() [L942] input_823 = __VERIFIER_nondet_ushort() [L943] input_825 = __VERIFIER_nondet_ushort() [L944] input_827 = __VERIFIER_nondet_ushort() [L945] input_829 = __VERIFIER_nondet_ushort() [L946] input_831 = __VERIFIER_nondet_ushort() [L947] input_833 = __VERIFIER_nondet_ushort() [L948] input_835 = __VERIFIER_nondet_ushort() [L949] input_837 = __VERIFIER_nondet_ushort() [L950] input_839 = __VERIFIER_nondet_ushort() [L951] input_841 = __VERIFIER_nondet_ushort() [L952] input_843 = __VERIFIER_nondet_ushort() [L953] input_847 = __VERIFIER_nondet_ushort() [L954] input_849 = __VERIFIER_nondet_ushort() [L955] input_851 = __VERIFIER_nondet_ushort() [L956] input_853 = __VERIFIER_nondet_ushort() [L957] input_855 = __VERIFIER_nondet_ushort() [L958] input_857 = __VERIFIER_nondet_ushort() [L959] input_859 = __VERIFIER_nondet_ushort() [L960] input_861 = __VERIFIER_nondet_ushort() [L961] input_863 = __VERIFIER_nondet_ushort() [L962] input_865 = __VERIFIER_nondet_ushort() [L963] input_867 = __VERIFIER_nondet_ushort() [L964] input_869 = __VERIFIER_nondet_ushort() [L965] input_871 = __VERIFIER_nondet_ushort() [L966] input_873 = __VERIFIER_nondet_ushort() [L967] input_875 = __VERIFIER_nondet_ushort() [L968] input_878 = __VERIFIER_nondet_ushort() [L969] input_880 = __VERIFIER_nondet_ushort() [L970] input_882 = __VERIFIER_nondet_ushort() [L971] input_884 = __VERIFIER_nondet_ushort() [L972] input_886 = __VERIFIER_nondet_ushort() [L973] input_888 = __VERIFIER_nondet_ushort() [L974] input_890 = __VERIFIER_nondet_ushort() [L975] input_892 = __VERIFIER_nondet_ushort() [L976] input_894 = __VERIFIER_nondet_ushort() [L977] input_896 = __VERIFIER_nondet_ushort() [L978] input_898 = __VERIFIER_nondet_ushort() [L979] input_900 = __VERIFIER_nondet_ushort() [L980] input_902 = __VERIFIER_nondet_ushort() [L981] input_904 = __VERIFIER_nondet_ushort() [L982] input_907 = __VERIFIER_nondet_ushort() [L983] input_909 = __VERIFIER_nondet_ushort() [L984] input_911 = __VERIFIER_nondet_ushort() [L985] input_913 = __VERIFIER_nondet_ushort() [L986] input_915 = __VERIFIER_nondet_ushort() [L987] input_917 = __VERIFIER_nondet_ushort() [L988] input_919 = __VERIFIER_nondet_ushort() [L989] input_921 = __VERIFIER_nondet_ushort() [L990] input_923 = __VERIFIER_nondet_ushort() [L991] input_925 = __VERIFIER_nondet_ushort() [L992] input_927 = __VERIFIER_nondet_ushort() [L993] input_929 = __VERIFIER_nondet_ushort() [L994] input_931 = __VERIFIER_nondet_ushort() [L995] input_934 = __VERIFIER_nondet_ushort() [L996] input_936 = __VERIFIER_nondet_ushort() [L997] input_938 = __VERIFIER_nondet_ushort() [L998] input_940 = __VERIFIER_nondet_ushort() [L999] input_942 = __VERIFIER_nondet_ushort() [L1000] input_944 = __VERIFIER_nondet_ushort() [L1001] input_946 = __VERIFIER_nondet_ushort() [L1002] input_948 = __VERIFIER_nondet_ushort() [L1003] input_950 = __VERIFIER_nondet_ushort() [L1004] input_952 = __VERIFIER_nondet_ushort() [L1005] input_954 = __VERIFIER_nondet_ushort() [L1006] input_956 = __VERIFIER_nondet_ushort() [L1007] input_960 = __VERIFIER_nondet_ushort() [L1008] input_962 = __VERIFIER_nondet_ushort() [L1009] input_964 = __VERIFIER_nondet_ushort() [L1010] input_966 = __VERIFIER_nondet_ushort() [L1011] input_968 = __VERIFIER_nondet_ushort() [L1012] input_970 = __VERIFIER_nondet_ushort() [L1013] input_972 = __VERIFIER_nondet_ushort() [L1014] input_974 = __VERIFIER_nondet_ushort() [L1015] input_976 = __VERIFIER_nondet_ushort() [L1016] input_978 = __VERIFIER_nondet_ushort() [L1017] input_980 = __VERIFIER_nondet_ushort() [L1018] input_984 = __VERIFIER_nondet_ushort() [L1019] input_986 = __VERIFIER_nondet_ushort() [L1020] input_988 = __VERIFIER_nondet_ushort() [L1021] input_990 = __VERIFIER_nondet_ushort() [L1022] input_992 = __VERIFIER_nondet_ushort() [L1023] input_994 = __VERIFIER_nondet_ushort() [L1024] input_996 = __VERIFIER_nondet_ushort() [L1025] input_998 = __VERIFIER_nondet_ushort() [L1026] input_1000 = __VERIFIER_nondet_ushort() [L1027] input_1002 = __VERIFIER_nondet_ushort() [L1028] input_1005 = __VERIFIER_nondet_ushort() [L1029] input_1007 = __VERIFIER_nondet_ushort() [L1030] input_1009 = __VERIFIER_nondet_ushort() [L1031] input_1011 = __VERIFIER_nondet_ushort() [L1032] input_1013 = __VERIFIER_nondet_ushort() [L1033] input_1015 = __VERIFIER_nondet_ushort() [L1034] input_1017 = __VERIFIER_nondet_ushort() [L1035] input_1019 = __VERIFIER_nondet_ushort() [L1036] input_1021 = __VERIFIER_nondet_ushort() [L1037] input_1024 = __VERIFIER_nondet_ushort() [L1038] input_1026 = __VERIFIER_nondet_ushort() [L1039] input_1028 = __VERIFIER_nondet_ushort() [L1040] input_1030 = __VERIFIER_nondet_ushort() [L1041] input_1032 = __VERIFIER_nondet_ushort() [L1042] input_1034 = __VERIFIER_nondet_ushort() [L1043] input_1036 = __VERIFIER_nondet_ushort() [L1044] input_1038 = __VERIFIER_nondet_ushort() [L1045] input_1042 = __VERIFIER_nondet_ushort() [L1046] input_1044 = __VERIFIER_nondet_ushort() [L1047] input_1046 = __VERIFIER_nondet_ushort() [L1048] input_1048 = __VERIFIER_nondet_ushort() [L1049] input_1050 = __VERIFIER_nondet_ushort() [L1050] input_1052 = __VERIFIER_nondet_ushort() [L1051] input_1054 = __VERIFIER_nondet_ushort() [L1052] input_1057 = __VERIFIER_nondet_ushort() [L1053] input_1059 = __VERIFIER_nondet_ushort() [L1054] input_1061 = __VERIFIER_nondet_ushort() [L1055] input_1063 = __VERIFIER_nondet_ushort() [L1056] input_1065 = __VERIFIER_nondet_ushort() [L1057] input_1067 = __VERIFIER_nondet_ushort() [L1058] input_1070 = __VERIFIER_nondet_ushort() [L1059] input_1072 = __VERIFIER_nondet_ushort() [L1060] input_1074 = __VERIFIER_nondet_ushort() [L1061] input_1076 = __VERIFIER_nondet_ushort() [L1062] input_1078 = __VERIFIER_nondet_ushort() [L1063] input_1082 = __VERIFIER_nondet_ushort() [L1064] input_1084 = __VERIFIER_nondet_ushort() [L1065] input_1086 = __VERIFIER_nondet_ushort() [L1066] input_1088 = __VERIFIER_nondet_ushort() [L1067] input_1091 = __VERIFIER_nondet_ushort() [L1068] input_1093 = __VERIFIER_nondet_ushort() [L1069] input_1095 = __VERIFIER_nondet_ushort() [L1070] input_1098 = __VERIFIER_nondet_ushort() [L1071] input_1100 = __VERIFIER_nondet_ushort() [L1072] input_1103 = __VERIFIER_nondet_ushort() [L1073] input_1110 = __VERIFIER_nondet_uchar() [L1074] input_1112 = __VERIFIER_nondet_uchar() [L1075] input_1122 = __VERIFIER_nondet_uchar() [L1076] input_1131 = __VERIFIER_nondet_uchar() [L1077] input_1140 = __VERIFIER_nondet_uchar() [L1078] input_1141 = __VERIFIER_nondet_uchar() [L1079] input_1142 = __VERIFIER_nondet_uchar() [L1080] input_1164 = __VERIFIER_nondet_uchar() [L1081] input_1173 = __VERIFIER_nondet_ushort() [L1082] input_1174 = __VERIFIER_nondet_ushort() [L1083] input_1175 = __VERIFIER_nondet_ushort() [L1084] input_1176 = __VERIFIER_nondet_ushort() [L1085] input_1180 = __VERIFIER_nondet_ushort() [L1086] input_1185 = __VERIFIER_nondet_ushort() [L1087] input_1200 = __VERIFIER_nondet_uchar() [L1088] input_1206 = __VERIFIER_nondet_uchar() [L1091] SORT_4 var_9_arg_0 = state_6; [L1092] SORT_4 var_9_arg_1 = var_8; [L1093] SORT_1 var_9 = var_9_arg_0 == var_9_arg_1; [L1094] SORT_1 var_10_arg_0 = var_9; [L1095] SORT_1 var_10 = ~var_10_arg_0; [L1096] SORT_1 var_15_arg_0 = state_12; [L1097] var_15_arg_0 = var_15_arg_0 & mask_SORT_1 [L1098] SORT_14 var_15 = var_15_arg_0; [L1099] SORT_14 var_17_arg_0 = var_15; [L1100] SORT_14 var_17_arg_1 = var_16; [L1101] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L1102] SORT_1 var_18_arg_0 = var_10; [L1103] SORT_1 var_18_arg_1 = var_17; [L1104] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L1105] SORT_4 var_20_arg_0 = state_6; [L1106] SORT_4 var_20_arg_1 = var_19; [L1107] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L1108] SORT_1 var_21_arg_0 = var_20; [L1109] SORT_1 var_21 = ~var_21_arg_0; [L1110] SORT_22 var_28_arg_0 = state_24; [L1111] SORT_22 var_28_arg_1 = state_26; [L1112] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L1113] SORT_1 var_29_arg_0 = var_21; [L1114] SORT_1 var_29_arg_1 = var_28; [L1115] SORT_1 var_29 = var_29_arg_0 | var_29_arg_1; [L1116] SORT_1 var_30_arg_0 = var_18; [L1117] SORT_1 var_30_arg_1 = var_29; [L1118] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L1119] SORT_1 var_34_arg_0 = var_30; [L1120] SORT_1 var_34 = ~var_34_arg_0; [L1121] SORT_1 var_35_arg_0 = var_33; [L1122] SORT_1 var_35_arg_1 = var_34; [L1123] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L1124] var_35 = var_35 & mask_SORT_1 [L1125] SORT_1 bad_36_arg_0 = var_35; [L1126] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 15:41:20,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/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_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fb99e78b9d75c0606819cfda68512e678a695fc4531d2dd4d8a919f9d41adfc --- 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 15:41:23,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:41:23,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:41:23,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:41:23,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:41:23,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:41:23,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:41:23,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:41:23,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:41:23,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:41:23,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:41:23,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:41:23,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:41:23,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:41:23,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:41:23,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:41:23,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:41:23,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:41:23,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:41:23,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:41:23,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:41:23,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:41:23,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:41:23,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:41:23,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:41:23,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:41:23,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:41:23,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:41:23,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:41:23,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:41:23,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:41:23,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:41:23,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:41:23,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:41:23,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:41:23,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:41:23,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:41:23,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:41:23,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:41:23,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:41:23,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:41:23,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 15:41:23,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:41:23,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:41:23,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:41:23,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:41:23,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:41:23,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:41:23,171 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:41:23,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:41:23,171 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:41:23,172 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:41:23,173 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:41:23,173 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:41:23,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:41:23,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:41:23,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:41:23,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:41:23,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:41:23,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:41:23,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:41:23,176 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:41:23,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:41:23,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:41:23,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:41:23,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:41:23,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:41:23,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:41:23,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:41:23,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:41:23,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:41:23,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:41:23,178 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:41:23,179 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:41:23,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:41:23,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:41:23,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:41:23,180 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb99e78b9d75c0606819cfda68512e678a695fc4531d2dd4d8a919f9d41adfc [2022-11-23 15:41:23,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:41:23,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:41:23,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:41:23,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:41:23,584 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:41:23,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2022-11-23 15:41:26,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:41:27,217 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:41:27,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2022-11-23 15:41:27,247 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/1771e06dc/47a74dfa25704e729e2d9801b08f167a/FLAG0155a2479 [2022-11-23 15:41:27,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/data/1771e06dc/47a74dfa25704e729e2d9801b08f167a [2022-11-23 15:41:27,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:41:27,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:41:27,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:41:27,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:41:27,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:41:27,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:27" (1/1) ... [2022-11-23 15:41:27,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edfb9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27, skipping insertion in model container [2022-11-23 15:41:27,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:27" (1/1) ... [2022-11-23 15:41:27,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:41:27,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:41:27,647 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_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1107,1120] [2022-11-23 15:41:28,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:41:28,126 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:41:28,136 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_d5478811-e75a-445c-a0d6-f710b364d35e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1107,1120] [2022-11-23 15:41:28,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:41:28,364 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:41:28,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28 WrapperNode [2022-11-23 15:41:28,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:41:28,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:41:28,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:41:28,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:41:28,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,691 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4018 [2022-11-23 15:41:28,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:41:28,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:41:28,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:41:28,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:41:28,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:41:28,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:41:28,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:41:28,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:41:28,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (1/1) ... [2022-11-23 15:41:28,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:41:28,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:41:28,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:41:28,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:41:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:41:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:41:29,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:41:29,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:41:35,193 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:41:35,201 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:41:35,201 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:41:35,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:35 BoogieIcfgContainer [2022-11-23 15:41:35,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:41:35,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:41:35,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:41:35,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:41:35,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:41:27" (1/3) ... [2022-11-23 15:41:35,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73acdde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:35, skipping insertion in model container [2022-11-23 15:41:35,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:28" (2/3) ... [2022-11-23 15:41:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73acdde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:35, skipping insertion in model container [2022-11-23 15:41:35,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:35" (3/3) ... [2022-11-23 15:41:35,215 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b05.c [2022-11-23 15:41:35,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:41:35,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:41:35,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:41:35,298 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;@3d865cb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:41:35,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:41:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 15:41:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:41:35,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:35,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:41:35,312 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:35,319 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 15:41:35,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:41:35,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111195899] [2022-11-23 15:41:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:41:35,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:41:35,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:41:35,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:41:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-23 15:41:36,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:36,593 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 15:41:36,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:41:36,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:41:36,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111195899] [2022-11-23 15:41:36,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111195899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:36,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:36,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:41:36,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135393469] [2022-11-23 15:41:36,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:36,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:41:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:41:36,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:41:36,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:41:36,648 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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, 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 15:41:37,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:37,348 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 15:41:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:41:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 15:41:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:37,359 INFO L225 Difference]: With dead ends: 20 [2022-11-23 15:41:37,359 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 15:41:37,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:41:37,366 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:37,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:41:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 15:41:37,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 15:41:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 15:41:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 15:41:37,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 15:41:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:37,406 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 15:41:37,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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 15:41:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 15:41:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:41:37,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:37,407 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-23 15:41:37,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:41:37,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:37,623 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 15:41:37,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:41:37,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359148932] [2022-11-23 15:41:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:41:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:41:37,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:41:37,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:41:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:39,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 101 conjunts are in the unsatisfiable core [2022-11-23 15:41:39,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:40,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:41:55,539 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 381 DAG size of output: 242 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:55,835 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:41:55,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359148932] [2022-11-23 15:41:55,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359148932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:41:55,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [334398176] [2022-11-23 15:41:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:41:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:41:55,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:41:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-23 15:41:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:59,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 134 conjunts are in the unsatisfiable core [2022-11-23 15:41:59,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:00,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:07,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [334398176] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:07,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870855120] [2022-11-23 15:42:07,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:07,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:07,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:07,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:07,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:42:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:09,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-23 15:42:10,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:10,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:18,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870855120] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:18,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:42:18,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 11 [2022-11-23 15:42:18,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325414993] [2022-11-23 15:42:18,156 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:42:18,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:42:18,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:42:18,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:42:18,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:42:18,158 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 15:42:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:19,599 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-23 15:42:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:42:19,600 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 15:42:19,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:19,600 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:42:19,600 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:42:19,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:42:19,602 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:19,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 23 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:42:19,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:42:19,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-23 15:42:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 15:42:19,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 15:42:19,609 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-23 15:42:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:19,609 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 15:42:19,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 15:42:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 15:42:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:42:19,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:19,611 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-23 15:42:19,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-11-23 15:42:19,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 15:42:20,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 15:42:20,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:20,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:20,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:20,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-23 15:42:20,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:42:20,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121202924] [2022-11-23 15:42:20,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:42:20,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:42:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:42:20,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:42:20,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 15:42:23,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:42:23,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:42:23,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 6417 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-23 15:42:23,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:24,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:49,277 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 461 DAG size of output: 244 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:19,307 WARN L233 SmtUtils]: Spent 10.61s on a formula simplification. DAG size of input: 561 DAG size of output: 360 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:19,786 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:43:19,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121202924] [2022-11-23 15:43:19,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121202924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:43:19,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1055269068] [2022-11-23 15:43:19,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:43:19,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:43:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:43:19,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:43:19,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-23 15:43:25,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:43:25,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:43:26,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 6417 conjuncts, 222 conjunts are in the unsatisfiable core [2022-11-23 15:43:26,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:27,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:03,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1055269068] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:03,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347176575] [2022-11-23 15:44:03,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:44:03,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:03,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:03,509 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:44:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:44:06,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:44:06,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:44:06,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 6417 conjuncts, 241 conjunts are in the unsatisfiable core [2022-11-23 15:44:06,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:08,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:40,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347176575] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:40,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:44:40,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6, 6, 6, 6] total 17 [2022-11-23 15:44:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676337243] [2022-11-23 15:44:40,786 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:44:40,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 15:44:40,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:44:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 15:44:40,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=204, Unknown=1, NotChecked=0, Total=272 [2022-11-23 15:44:40,788 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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 15:44:44,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:44,161 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-23 15:44:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:44:44,162 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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 11 [2022-11-23 15:44:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:44,162 INFO L225 Difference]: With dead ends: 19 [2022-11-23 15:44:44,163 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 15:44:44,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=111, Invalid=308, Unknown=1, NotChecked=0, Total=420 [2022-11-23 15:44:44,164 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:44,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 39 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 15:44:44,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 15:44:44,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-23 15:44:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 15:44:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-23 15:44:44,171 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-23 15:44:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:44,171 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-23 15:44:44,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 states have internal predecessors, (42), 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 15:44:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-23 15:44:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:44:44,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:44,173 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-23 15:44:44,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:44:44,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:44:44,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-23 15:44:44,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:44,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-23 15:44:44,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:44:44,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318066907] [2022-11-23 15:44:44,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:44:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:44:44,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:44:44,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:44:44,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-23 15:44:49,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 15:44:49,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:44:49,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 9324 conjuncts, 217 conjunts are in the unsatisfiable core [2022-11-23 15:44:49,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:53,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:45:30,733 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 444 DAG size of output: 273 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:01,728 WARN L233 SmtUtils]: Spent 10.54s on a formula simplification. DAG size of input: 762 DAG size of output: 298 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:57,081 WARN L233 SmtUtils]: Spent 16.23s on a formula simplification. DAG size of input: 800 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:01,257 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:47:01,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318066907] [2022-11-23 15:47:01,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318066907] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:47:01,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1873722470] [2022-11-23 15:47:01,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:47:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:47:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:47:01,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:47:01,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-23 15:47:13,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 15:47:13,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:47:14,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 9324 conjuncts, 320 conjunts are in the unsatisfiable core [2022-11-23 15:47:14,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:47:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:19,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:48:54,097 WARN L233 SmtUtils]: Spent 11.65s on a formula simplification. DAG size of input: 740 DAG size of output: 330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:49:21,078 WARN L233 SmtUtils]: Spent 12.50s on a formula simplification. DAG size of input: 530 DAG size of output: 451 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:51:48,081 WARN L233 SmtUtils]: Spent 59.28s on a formula simplification. DAG size of input: 1273 DAG size of output: 569 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:52:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:00,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1873722470] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:52:00,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847553835] [2022-11-23 15:52:00,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:52:00,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:00,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:00,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:00,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5478811-e75a-445c-a0d6-f710b364d35e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 15:52:05,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 15:52:05,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:52:05,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 9324 conjuncts, 411 conjunts are in the unsatisfiable core [2022-11-23 15:52:05,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:12,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:53:03,652 WARN L233 SmtUtils]: Spent 10.99s on a formula simplification. DAG size of input: 635 DAG size of output: 296 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:54:59,483 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 1019 DAG size of output: 727 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)