./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.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_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/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_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/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_1843b6d2-5209-4076-9057-e9063a07e44a/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 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:46:52,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:46:52,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 19:46:52,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:46:52,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:46:52,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:46:52,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:46:52,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:46:52,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:46:52,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:46:52,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:46:52,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:46:52,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:46:52,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:46:52,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:46:52,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:46:52,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:46:52,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:46:52,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:46:52,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:46:52,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:46:52,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:46:52,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:46:52,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:46:52,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:52,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:46:52,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:46:52,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:46:52,614 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:46:52,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:46:52,614 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_1843b6d2-5209-4076-9057-e9063a07e44a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 [2024-11-08 19:46:52,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:46:53,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:46:53,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:46:53,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:46:53,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:46:53,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 19:46:55,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:46:55,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:46:55,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2024-11-08 19:46:55,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/ce2a6f608/4bbc9e55a0004f0784538ebf6faa3cea/FLAG8c8e4316b [2024-11-08 19:46:55,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/ce2a6f608/4bbc9e55a0004f0784538ebf6faa3cea [2024-11-08 19:46:55,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:46:55,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:46:55,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:55,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:46:55,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:46:55,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:55" (1/1) ... [2024-11-08 19:46:55,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db02300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:55, skipping insertion in model container [2024-11-08 19:46:55,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:55" (1/1) ... [2024-11-08 19:46:55,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:56,032 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_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-08 19:46:56,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:56,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:56,645 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_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-08 19:46:56,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:56,904 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:56,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56 WrapperNode [2024-11-08 19:46:56,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:56,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:56,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:56,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:56,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:57,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:57,792 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5693 [2024-11-08 19:46:57,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:57,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:57,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:57,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:57,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:57,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:58,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:58,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:58,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:58,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:56" (1/1) ... [2024-11-08 19:46:58,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:58,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:58,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:58,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:59,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:59,121 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:47:08,524 INFO L? ?]: Removed 3054 outVars from TransFormulas that were not future-live. [2024-11-08 19:47:08,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:47:21,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:47:21,248 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:47:21,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:47:21 BoogieIcfgContainer [2024-11-08 19:47:21,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:47:21,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:47:21,250 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:47:21,260 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:47:21,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:47:21" (1/1) ... [2024-11-08 19:47:21,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:47:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 19:47:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 19:47:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:47:21,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:25,818 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 19:47:36,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:47:46,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:47:48,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:47:58,286 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 [] [2024-11-08 19:47:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 19:47:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 19:47:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:47:58,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:49:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:49:20,427 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 19:49:20,430 INFO L158 Benchmark]: Toolchain (without parser) took 144756.73ms. Allocated memory was 123.7MB in the beginning and 6.2GB in the end (delta: 6.1GB). Free memory was 83.3MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-08 19:49:20,431 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:49:20,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1229.16ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 83.3MB in the beginning and 112.8MB in the end (delta: -29.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-08 19:49:20,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 886.22ms. Allocated memory was 188.7MB in the beginning and 327.2MB in the end (delta: 138.4MB). Free memory was 112.8MB in the beginning and 185.9MB in the end (delta: -73.1MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2024-11-08 19:49:20,433 INFO L158 Benchmark]: Boogie Preprocessor took 776.50ms. Allocated memory is still 327.2MB. Free memory was 185.9MB in the beginning and 159.8MB in the end (delta: 26.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:20,434 INFO L158 Benchmark]: RCFGBuilder took 22676.83ms. Allocated memory was 327.2MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 159.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 900.7MB. Max. memory is 16.1GB. [2024-11-08 19:49:20,435 INFO L158 Benchmark]: CodeCheck took 119180.02ms. Allocated memory was 5.2GB in the beginning and 6.2GB in the end (delta: 1.0GB). Free memory was 4.8GB in the beginning and 3.7GB in the end (delta: 1.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-08 19:49:20,438 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 123.7MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1229.16ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 83.3MB in the beginning and 112.8MB in the end (delta: -29.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 886.22ms. Allocated memory was 188.7MB in the beginning and 327.2MB in the end (delta: 138.4MB). Free memory was 112.8MB in the beginning and 185.9MB in the end (delta: -73.1MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 776.50ms. Allocated memory is still 327.2MB. Free memory was 185.9MB in the beginning and 159.8MB in the end (delta: 26.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * RCFGBuilder took 22676.83ms. Allocated memory was 327.2MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 159.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 900.7MB. Max. memory is 16.1GB. * CodeCheck took 119180.02ms. Allocated memory was 5.2GB in the beginning and 6.2GB in the end (delta: 1.0GB). Free memory was 4.8GB in the beginning and 3.7GB in the end (delta: 1.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:49:20,663 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 19:49:20,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/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_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/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_1843b6d2-5209-4076-9057-e9063a07e44a/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 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:49:22,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:49:23,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 19:49:23,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:49:23,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:49:23,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:49:23,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:49:23,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:49:23,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:49:23,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:49:23,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:49:23,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:49:23,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:49:23,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:49:23,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:49:23,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:49:23,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:49:23,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:49:23,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:49:23,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:49:23,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:49:23,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:49:23,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:49:23,141 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:23,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:49:23,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:49:23,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:23,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:49:23,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:49:23,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:49:23,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:49:23,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:23,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:49:23,145 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_1843b6d2-5209-4076-9057-e9063a07e44a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7521b491abbe5a6b7fa6d30ec935f0006cdd615d68e8b3a4ffef62543c2c6e11 [2024-11-08 19:49:23,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:49:23,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:49:23,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:49:23,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:49:23,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:49:23,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 19:49:25,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:49:25,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:49:25,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2024-11-08 19:49:25,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/dc7de9084/b39ed4cf0a464980a3bad53075c7edc3/FLAG59439739e [2024-11-08 19:49:26,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/data/dc7de9084/b39ed4cf0a464980a3bad53075c7edc3 [2024-11-08 19:49:26,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:49:26,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:49:26,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:26,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:49:26,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:49:26,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:26" (1/1) ... [2024-11-08 19:49:26,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614a8bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:26, skipping insertion in model container [2024-11-08 19:49:26,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:26" (1/1) ... [2024-11-08 19:49:26,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:49:26,570 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_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-08 19:49:26,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:26,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:49:26,970 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_1843b6d2-5209-4076-9057-e9063a07e44a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1177,1190] [2024-11-08 19:49:27,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:27,110 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:49:27,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27 WrapperNode [2024-11-08 19:49:27,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:27,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:27,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:49:27,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:49:27,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,227 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1757 [2024-11-08 19:49:27,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:27,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:49:27,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:49:27,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:49:27,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:49:27,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:49:27,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:49:27,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:49:27,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:49:27,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:49:27,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:49:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:49:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:49:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:49:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:49:27,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:49:27,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:49:30,879 INFO L? ?]: Removed 211 outVars from TransFormulas that were not future-live. [2024-11-08 19:49:30,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:49:30,983 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:49:30,984 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:49:30,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:49:30 BoogieIcfgContainer [2024-11-08 19:49:30,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:49:30,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:49:30,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:49:30,997 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:49:30,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:49:30" (1/1) ... [2024-11-08 19:49:31,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:49:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 19:49:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 19:49:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:49:31,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:31,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:49:31,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:49:31,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:49:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:31,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:49:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:32,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:49:32,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:32,177 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 19:49:32,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:49:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 19:49:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 19:49:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:49:32,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:32,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:32,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:49:32,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:49:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1843b6d2-5209-4076-9057-e9063a07e44a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:49:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:33,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:49:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:34,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 19:49:34,437 INFO L278 TraceCheckSpWp]: Computing forward predicates...