./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:02:01,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:02:01,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 01:02:01,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:02:01,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:02:01,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:02:01,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:02:01,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:02:01,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:02:01,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:02:01,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:02:01,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:02:01,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:02:01,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:02:01,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:02:01,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:02:01,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:02:01,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:02:01,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:02:01,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:02:01,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:02:01,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:02:01,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:02:01,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:02:01,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:02:01,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:02:01,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:02:01,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:02:01,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:02:01,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:02:01,891 INFO L153 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 [2024-11-09 01:02:02,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:02:02,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:02:02,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:02:02,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:02:02,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:02:02,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 01:02:04,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:02:04,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:02:04,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2024-11-09 01:02:04,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/6b310a0d2/e14fd8a1b36144d5a636deb7b5ddf24b/FLAGf679701d9 [2024-11-09 01:02:04,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/6b310a0d2/e14fd8a1b36144d5a636deb7b5ddf24b [2024-11-09 01:02:04,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:02:04,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:02:04,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:02:04,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:02:04,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:02:04,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:02:04" (1/1) ... [2024-11-09 01:02:04,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9dd1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:04, skipping insertion in model container [2024-11-09 01:02:04,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:02:04" (1/1) ... [2024-11-09 01:02:04,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:02:05,069 WARN L250 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-09 01:02:05,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:02:05,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:02:05,730 WARN L250 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-09 01:02:05,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:02:05,984 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:02:05,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05 WrapperNode [2024-11-09 01:02:05,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:02:05,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:02:05,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:02:05,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:02:05,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:06,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,109 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6295 [2024-11-09 01:02:07,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:02:07,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:02:07,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:02:07,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:02:07,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:02:07,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:02:07,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:02:07,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:02:07,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:05" (1/1) ... [2024-11-09 01:02:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:02:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:02:07,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:02:07,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:02:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:02:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:02:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:02:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:02:08,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:02:08,327 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:02:17,881 INFO L? ?]: Removed 3537 outVars from TransFormulas that were not future-live. [2024-11-09 01:02:17,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:02:29,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:02:29,590 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:02:29,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:02:29 BoogieIcfgContainer [2024-11-09 01:02:29,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:02:29,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:02:29,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:02:29,602 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:02:29,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:02:29" (1/1) ... [2024-11-09 01:02:29,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:02:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 01:02:29,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 01:02:29,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:02:29,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:29,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:45,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:55,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:58,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:08,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 01:03:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 01:03:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 01:03:08,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:04:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:04:37,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:06:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:06:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:06:35,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 01:06:35,652 INFO L158 Benchmark]: Toolchain (without parser) took 270947.26ms. Allocated memory was 155.2MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 108.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2024-11-09 01:06:35,652 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:06:35,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.73ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.5MB in the beginning and 116.6MB in the end (delta: -8.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-09 01:06:35,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 1123.22ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 116.6MB in the beginning and 261.2MB in the end (delta: -144.5MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. [2024-11-09 01:06:35,658 INFO L158 Benchmark]: Boogie Preprocessor took 629.79ms. Allocated memory is still 406.8MB. Free memory was 261.2MB in the beginning and 222.6MB in the end (delta: 38.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-09 01:06:35,658 INFO L158 Benchmark]: RCFGBuilder took 21849.20ms. Allocated memory was 406.8MB in the beginning and 3.7GB in the end (delta: 3.3GB). Free memory was 222.6MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 01:06:35,659 INFO L158 Benchmark]: CodeCheck took 246059.42ms. Allocated memory was 3.7GB in the beginning and 5.2GB in the end (delta: 1.4GB). Free memory was 3.1GB in the beginning and 1.7GB in the end (delta: 1.4GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2024-11-09 01:06:35,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.73ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.5MB in the beginning and 116.6MB in the end (delta: -8.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1123.22ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 116.6MB in the beginning and 261.2MB in the end (delta: -144.5MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 629.79ms. Allocated memory is still 406.8MB. Free memory was 261.2MB in the beginning and 222.6MB in the end (delta: 38.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * RCFGBuilder took 21849.20ms. Allocated memory was 406.8MB in the beginning and 3.7GB in the end (delta: 3.3GB). Free memory was 222.6MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 246059.42ms. Allocated memory was 3.7GB in the beginning and 5.2GB in the end (delta: 1.4GB). Free memory was 3.1GB in the beginning and 1.7GB in the end (delta: 1.4GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 01:06:35,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:06:38,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:06:38,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 01:06:38,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:06:38,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:06:38,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:06:38,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:06:38,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:06:38,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:06:38,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:06:38,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:06:38,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:06:38,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:06:38,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:06:38,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:06:38,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:06:38,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:06:38,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:06:38,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:06:38,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:06:38,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:06:38,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:06:38,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:06:38,587 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:38,587 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:06:38,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:06:38,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:06:38,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:06:38,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:06:38,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:06:38,589 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:06:38,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:38,589 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:06:38,589 INFO L153 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 [2024-11-09 01:06:38,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:06:39,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:06:39,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:06:39,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:06:39,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:06:39,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 01:06:41,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:06:41,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:06:41,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2024-11-09 01:06:41,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/12b6fc4ab/375497782fab42fbbfc4622f11c5137d/FLAG42f5dcf52 [2024-11-09 01:06:41,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/data/12b6fc4ab/375497782fab42fbbfc4622f11c5137d [2024-11-09 01:06:41,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:06:41,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:06:41,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:06:41,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:06:41,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:06:41,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:06:41" (1/1) ... [2024-11-09 01:06:41,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394ed7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:41, skipping insertion in model container [2024-11-09 01:06:41,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:06:41" (1/1) ... [2024-11-09 01:06:41,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:06:42,023 WARN L250 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-09 01:06:42,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:42,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:06:42,502 WARN L250 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_2489702d-dc51-4b5e-b3f3-317e074fba9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-09 01:06:42,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:42,859 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:06:42,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42 WrapperNode [2024-11-09 01:06:42,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:06:42,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:42,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:06:42,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:06:42,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:42,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,107 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2183 [2024-11-09 01:06:43,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:43,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:06:43,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:06:43,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:06:43,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:06:43,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:06:43,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:06:43,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:06:43,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:42" (1/1) ... [2024-11-09 01:06:43,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:06:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:06:43,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:06:43,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:06:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:06:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:06:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:06:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:06:43,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:06:43,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:06:47,765 INFO L? ?]: Removed 232 outVars from TransFormulas that were not future-live. [2024-11-09 01:06:47,766 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:06:47,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:06:47,886 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:06:47,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:06:47 BoogieIcfgContainer [2024-11-09 01:06:47,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:06:47,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:06:47,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:06:47,898 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:06:47,898 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:06:47" (1/1) ... [2024-11-09 01:06:47,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:06:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 01:06:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 01:06:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:06:47,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:47,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:47,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:47,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:47,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:06:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:48,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:49,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:06:49,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:06:49,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:06:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 01:06:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 01:06:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 01:06:49,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:49,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:49,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:49,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2489702d-dc51-4b5e-b3f3-317e074fba9e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 01:06:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:51,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:51,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 01:06:51,591 INFO L278 TraceCheckSpWp]: Computing forward predicates...