./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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 778711cbd8ef637908cf7facc2a0ba8b046954035f27575bb77631ceddb95d19 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:28:26,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:28:26,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:28:26,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:28:26,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:28:26,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:28:26,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:28:26,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:28:26,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:28:26,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:28:26,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:28:26,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:28:26,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:28:26,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:28:26,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:28:26,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:28:26,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:28:26,819 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:28:26,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:28:26,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:28:26,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:28:26,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:28:26,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:28:26,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:28:26,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:26,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:28:26,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:28:26,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:28:26,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:28:26,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:28:26,824 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 778711cbd8ef637908cf7facc2a0ba8b046954035f27575bb77631ceddb95d19 [2024-11-08 23:28:27,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:28:27,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:28:27,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:28:27,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:28:27,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:28:27,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:28:29,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:28:29,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:28:29,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c [2024-11-08 23:28:29,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/c0e5ca402/da38edaa38454562bcbb10d470fba9a4/FLAG2e4fc6cc7 [2024-11-08 23:28:29,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/c0e5ca402/da38edaa38454562bcbb10d470fba9a4 [2024-11-08 23:28:29,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:28:29,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:28:29,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:29,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:28:29,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:28:29,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:29" (1/1) ... [2024-11-08 23:28:29,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246ef23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:29, skipping insertion in model container [2024-11-08 23:28:29,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:29" (1/1) ... [2024-11-08 23:28:29,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:28:29,963 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c[1173,1186] [2024-11-08 23:28:30,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:30,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:28:30,529 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c[1173,1186] [2024-11-08 23:28:30,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:30,858 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:28:30,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30 WrapperNode [2024-11-08 23:28:30,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:30,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:30,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:28:30,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:28:30,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:31,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:31,747 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6296 [2024-11-08 23:28:31,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:31,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:28:31,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:28:31,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:28:31,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:31,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:31,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:31,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:28:32,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:28:32,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:28:32,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:28:32,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:30" (1/1) ... [2024-11-08 23:28:32,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:28:32,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:28:32,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:28:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:28:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:28:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:28:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:28:33,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:28:33,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:28:42,139 INFO L? ?]: Removed 3537 outVars from TransFormulas that were not future-live. [2024-11-08 23:28:42,139 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:28:52,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:28:52,917 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:28:52,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:52 BoogieIcfgContainer [2024-11-08 23:28:52,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:28:52,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:28:52,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:28:52,931 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:28:52,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:52" (1/1) ... [2024-11-08 23:28:52,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:28:52,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:28:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:28:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:28:53,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:13,218 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 [] [2024-11-08 23:29:23,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:25,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:28,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:38,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:29:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:29:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:29:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:29:38,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:38,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:48,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:33:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:05,317 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) [2024-11-08 23:34:05,321 INFO L158 Benchmark]: Toolchain (without parser) took 335687.83ms. Allocated memory was 134.2MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 89.1MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 631.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,322 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:05,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.34ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 119.0MB in the end (delta: -30.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 884.30ms. Allocated memory was 180.4MB in the beginning and 297.8MB in the end (delta: 117.4MB). Free memory was 119.0MB in the beginning and 145.0MB in the end (delta: -26.0MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,324 INFO L158 Benchmark]: Boogie Preprocessor took 742.15ms. Allocated memory is still 297.8MB. Free memory was 145.0MB in the beginning and 112.8MB in the end (delta: 32.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,324 INFO L158 Benchmark]: RCFGBuilder took 20427.93ms. Allocated memory was 297.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 112.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 862.8MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,325 INFO L158 Benchmark]: CodeCheck took 312400.54ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 1.9GB in the beginning and 4.1GB in the end (delta: -2.2GB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. [2024-11-08 23:34:05,328 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 0.33ms. Allocated memory is still 134.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.34ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 119.0MB in the end (delta: -30.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 884.30ms. Allocated memory was 180.4MB in the beginning and 297.8MB in the end (delta: 117.4MB). Free memory was 119.0MB in the beginning and 145.0MB in the end (delta: -26.0MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 742.15ms. Allocated memory is still 297.8MB. Free memory was 145.0MB in the beginning and 112.8MB in the end (delta: 32.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20427.93ms. Allocated memory was 297.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 112.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 862.8MB. Max. memory is 16.1GB. * CodeCheck took 312400.54ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 1.9GB in the beginning and 4.1GB in the end (delta: -2.2GB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:34:05,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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 778711cbd8ef637908cf7facc2a0ba8b046954035f27575bb77631ceddb95d19 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:34:08,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:08,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:34:08,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:08,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:34:08,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:34:08,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:08,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:08,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:08,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:34:08,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:08,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:34:08,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:08,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:34:08,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:34:08,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:34:08,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:08,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:34:08,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:34:08,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:08,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:34:08,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:34:08,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:34:08,274 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:08,275 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:34:08,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:08,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:08,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:08,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:08,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:34:08,281 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:34:08,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:08,282 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:34:08,282 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 778711cbd8ef637908cf7facc2a0ba8b046954035f27575bb77631ceddb95d19 [2024-11-08 23:34:08,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:08,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:08,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:08,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:08,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:08,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:34:10,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:34:11,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:34:11,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c [2024-11-08 23:34:11,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/b14e9fdfb/f0ba7464ad9f4e149227b97159ca68d4/FLAGa3dbcb41b [2024-11-08 23:34:11,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/data/b14e9fdfb/f0ba7464ad9f4e149227b97159ca68d4 [2024-11-08 23:34:11,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:34:11,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:34:11,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:11,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:34:11,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:34:11,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:11" (1/1) ... [2024-11-08 23:34:11,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245e4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:11, skipping insertion in model container [2024-11-08 23:34:11,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:11" (1/1) ... [2024-11-08 23:34:11,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:11,994 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c[1173,1186] [2024-11-08 23:34:12,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:12,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:34:12,563 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_7b037f53-dcdf-43c7-a565-5fcab2275e7c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-back-serstep.c[1173,1186] [2024-11-08 23:34:12,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:12,729 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:34:12,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12 WrapperNode [2024-11-08 23:34:12,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:12,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:12,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:34:12,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:34:12,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:12,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:12,945 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2184 [2024-11-08 23:34:12,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:12,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:34:12,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:34:12,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:34:12,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:12,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:12,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:12,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:34:13,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:34:13,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:34:13,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:34:13,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:12" (1/1) ... [2024-11-08 23:34:13,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:34:13,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:34:13,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:34:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:34:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:34:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:34:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:34:13,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:34:13,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:34:17,753 INFO L? ?]: Removed 232 outVars from TransFormulas that were not future-live. [2024-11-08 23:34:17,754 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:34:17,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:34:17,932 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:34:17,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:17 BoogieIcfgContainer [2024-11-08 23:34:17,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:34:17,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:34:17,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:34:17,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:34:17,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:17" (1/1) ... [2024-11-08 23:34:17,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:34:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:34:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:34:18,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:18,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:18,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:18,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:18,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:34:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:34:19,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:34:19,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:34:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:34:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:34:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:20,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:20,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:20,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:20,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:20,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b037f53-dcdf-43c7-a565-5fcab2275e7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:34:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:21,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:22,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:34:22,493 INFO L278 TraceCheckSpWp]: Computing forward predicates...