./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:06:33,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:06:33,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:06:33,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:06:33,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:06:33,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:06:33,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:06:33,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:06:33,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:06:33,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:06:33,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:06:33,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:06:33,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:06:33,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:06:33,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:06:33,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:06:33,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:06:33,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:06:33,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:06:33,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:06:33,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:33,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:06:33,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-13 22:06:33,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:06:33,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:06:33,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:06:33,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:06:33,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:06:33,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c Unable to find full path for "g++" [2024-11-13 22:06:35,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:06:36,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:06:36,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-13 22:06:36,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/76d6e3f84/5ec2574994444eba8905c369e0520749/FLAG522e6e477 [2024-11-13 22:06:36,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/76d6e3f84/5ec2574994444eba8905c369e0520749 [2024-11-13 22:06:36,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:06:36,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:06:36,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:36,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:06:36,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:06:36,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3676a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36, skipping insertion in model container [2024-11-13 22:06:36,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:06:36,483 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_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-13 22:06:36,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:36,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:06:36,532 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_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-13 22:06:36,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:36,554 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:06:36,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36 WrapperNode [2024-11-13 22:06:36,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:36,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:36,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:06:36,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:06:36,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,580 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 22:06:36,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:36,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:06:36,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:06:36,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:06:36,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:06:36,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:06:36,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:06:36,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:06:36,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:36" (1/1) ... [2024-11-13 22:06:36,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:36,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:06:36,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:06:36,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:06:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:06:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:06:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:06:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:06:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:06:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:06:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:06:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:06:36,741 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:06:36,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:06:36,970 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:06:36,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:06:37,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:06:37,010 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:06:37,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:37 BoogieIcfgContainer [2024-11-13 22:06:37,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:06:37,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:06:37,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:06:37,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:06:37,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:37" (1/1) ... [2024-11-13 22:06:37,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:06:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 22:06:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 22:06:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:06:37,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:06:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 22:06:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 22:06:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:06:37,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:37,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:37,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:06:37,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:06:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 22:06:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 22:06:37,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:06:37,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:37,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:06:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-13 22:06:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 22:06:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:06:38,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:49,251 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:06:49,256 INFO L158 Benchmark]: Toolchain (without parser) took 12969.56ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-13 22:06:49,256 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:49,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:49,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:49,258 INFO L158 Benchmark]: Boogie Preprocessor took 19.33ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 708.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:49,258 INFO L158 Benchmark]: RCFGBuilder took 410.69ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 90.0MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:49,258 INFO L158 Benchmark]: CodeCheck took 12242.47ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 104.6MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:49,261 INFO L338 ainManager$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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.33ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 708.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 410.69ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 90.0MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 12242.47ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 104.6MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:06:49,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:06:52,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:06:52,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:06:52,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:06:52,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:06:52,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:06:52,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:06:52,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:06:52,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:06:52,186 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:06:52,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:06:52,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:06:52,188 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:06:52,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:06:52,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:06:52,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:06:52,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:06:52,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:06:52,189 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:06:52,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:52,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:06:52,190 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:52,191 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:06:52,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-13 22:06:52,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:06:52,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:06:52,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:06:52,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:06:52,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:06:52,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c Unable to find full path for "g++" [2024-11-13 22:06:54,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:06:54,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:06:54,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-13 22:06:54,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/becb60a9f/b87a5fcb40344616aabe15e4ba3bacd7/FLAG49b322e30 [2024-11-13 22:06:54,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/data/becb60a9f/b87a5fcb40344616aabe15e4ba3bacd7 [2024-11-13 22:06:54,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:06:54,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:06:54,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:54,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:06:54,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:06:54,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:54" (1/1) ... [2024-11-13 22:06:54,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4776b076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:54, skipping insertion in model container [2024-11-13 22:06:54,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:06:54" (1/1) ... [2024-11-13 22:06:54,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:06:55,051 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_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-13 22:06:55,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:55,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:06:55,121 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_984d1cde-57b5-40b5-9757-542518edeaa5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-13 22:06:55,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:06:55,155 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:06:55,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55 WrapperNode [2024-11-13 22:06:55,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:06:55,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:55,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:06:55,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:06:55,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,199 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 22:06:55,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:06:55,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:06:55,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:06:55,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:06:55,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:06:55,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:06:55,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:06:55,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:06:55,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:06:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:06:55,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:06:55,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:06:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:06:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:06:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:06:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:06:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:06:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:06:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:06:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:06:55,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:06:55,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:06:55,609 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:06:55,610 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:06:55,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:06:55,646 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:06:55,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:55 BoogieIcfgContainer [2024-11-13 22:06:55,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:06:55,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:06:55,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:06:55,662 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:06:55,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:06:55" (1/1) ... [2024-11-13 22:06:55,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:06:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 22:06:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 22:06:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:06:55,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:55,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:55,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:06:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:55,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:55,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:06:55,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:06:55,927 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:06:55,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:06:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 22:06:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 22:06:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:06:55,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:55,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:55,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:55,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:55,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:06:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:56,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:07:06,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:07:06,370 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:07:06,374 INFO L158 Benchmark]: Toolchain (without parser) took 11521.31ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 53.9MB in the end (delta: 6.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-13 22:07:06,375 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:06,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.86ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:07:06,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.91ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:06,376 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.4MB in the end (delta: 862.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:07:06,377 INFO L158 Benchmark]: RCFGBuilder took 407.18ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 32.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:07:06,377 INFO L158 Benchmark]: CodeCheck took 10725.15ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 53.9MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:06,379 INFO L338 ainManager$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 0.42ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.86ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.91ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.4MB in the end (delta: 862.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 407.18ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 32.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10725.15ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 53.9MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:07:06,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984d1cde-57b5-40b5-9757-542518edeaa5/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown