./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b --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 5e702e85c3d7f91108386d3bed8993d879aa98d42d10adbcd14f5fa9bf29e29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:10:50,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:10:50,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:10:50,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:10:50,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:10:50,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:10:50,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:10:50,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:10:50,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:10:50,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:10:50,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:10:50,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:10:50,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:10:50,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:10:50,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:10:50,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:10:50,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:10:50,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:10:50,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:50,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:10:50,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:10:50,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:10:50,839 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:10:50,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:10:50,839 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b 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 -> 5e702e85c3d7f91108386d3bed8993d879aa98d42d10adbcd14f5fa9bf29e29b [2024-12-05 22:10:51,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:10:51,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:10:51,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:10:51,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:10:51,046 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:10:51,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_8.i [2024-12-05 22:10:53,649 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/63ae8af93/98ad6f0bf5f1414199df442c09d696c4/FLAGbabc23b28 [2024-12-05 22:10:53,862 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:10:53,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i [2024-12-05 22:10:53,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/63ae8af93/98ad6f0bf5f1414199df442c09d696c4/FLAGbabc23b28 [2024-12-05 22:10:54,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/63ae8af93/98ad6f0bf5f1414199df442c09d696c4 [2024-12-05 22:10:54,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:10:54,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:10:54,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:54,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:10:54,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:10:54,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1b5418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54, skipping insertion in model container [2024-12-05 22:10:54,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:10:54,377 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[1224,1237] [2024-12-05 22:10:54,402 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[2848,2861] [2024-12-05 22:10:54,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:54,412 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:10:54,423 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[1224,1237] [2024-12-05 22:10:54,432 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[2848,2861] [2024-12-05 22:10:54,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:54,448 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:10:54,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54 WrapperNode [2024-12-05 22:10:54,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:54,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:54,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:10:54,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:10:54,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,474 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-12-05 22:10:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:54,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:10:54,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:10:54,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:10:54,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,490 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:10:54,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:10:54,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:10:54,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:10:54,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:10:54,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:10:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:10:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:10:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 22:10:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 22:10:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 22:10:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 22:10:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:10:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:10:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:10:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:10:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:10:54,610 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:10:54,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:10:54,754 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-05 22:10:54,754 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:10:54,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:10:54,801 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:10:54,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:54 BoogieIcfgContainer [2024-12-05 22:10:54,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:10:54,802 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:10:54,802 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:10:54,811 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:10:54,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:54" (1/1) ... [2024-12-05 22:10:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:10:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-05 22:10:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-05 22:10:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:10:54,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:54,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:55,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-05 22:10:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-05 22:10:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:10:55,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:55,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 22:10:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 22:10:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:10:55,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-12-05 22:10:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-12-05 22:10:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:10:55,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-12-05 22:10:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-12-05 22:10:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:10:56,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:56,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-05 22:10:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-05 22:10:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:10:56,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:56,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2024-12-05 22:10:57,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2024-12-05 22:10:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:10:57,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:57,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-12-05 22:10:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-12-05 22:10:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:10:57,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-12-05 22:10:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-12-05 22:10:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:10:58,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:58,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:10:58,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-05 22:10:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-05 22:10:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:10:59,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:59,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:10:59,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-05 22:11:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-05 22:11:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:11:00,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:00,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:11:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:00,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:11:00,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-12-05 22:11:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-12-05 22:11:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:11:02,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:02,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:02,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:02,705 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:02,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-05 22:11:02,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:11:02 ImpRootNode [2024-12-05 22:11:02,752 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:11:02,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:11:02,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:11:02,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:11:02,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:54" (3/4) ... [2024-12-05 22:11:02,755 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:11:02,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:11:02,757 INFO L158 Benchmark]: Toolchain (without parser) took 8528.82ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.6MB in the beginning and 175.9MB in the end (delta: -82.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:02,757 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:02,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.36ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:02,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.51ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:02,758 INFO L158 Benchmark]: Boogie Preprocessor took 22.46ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 782.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:02,758 INFO L158 Benchmark]: RCFGBuilder took 302.62ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 62.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:11:02,759 INFO L158 Benchmark]: CodeCheck took 7950.24ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 62.2MB in the beginning and 175.9MB in the end (delta: -113.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:02,759 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 209.7MB. Free memory was 175.9MB in the beginning and 175.9MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:02,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 629 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1772 IncrementalHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 629 mSolverCounterUnsat, 118 mSDtfsCounter, 1772 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1507 GetRequests, 1321 SyntacticMatches, 24 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12602 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 6 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2/87 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of someBinaryArithmeticFLOAToperation at line 102. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L104] CALL, EXPR f(x) VAL [\old(x)=4] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L104] RET, EXPR f(x) VAL [IN=2, x=4] [L104] CALL, EXPR fp(x) VAL [\old(x)=4] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L104] RET, EXPR fp(x) VAL [IN=2, x=4] [L104] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.36ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.51ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.46ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 782.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.62ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 62.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7950.24ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 62.2MB in the beginning and 175.9MB in the end (delta: -113.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 209.7MB. Free memory was 175.9MB in the beginning and 175.9MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:11:02,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b --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 5e702e85c3d7f91108386d3bed8993d879aa98d42d10adbcd14f5fa9bf29e29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:04,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:04,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:11:04,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:04,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:04,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:04,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:04,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:04,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:11:04,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:04,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:11:04,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:04,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:04,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:04,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:04,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:04,839 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:11:04,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:04,839 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:11:04,839 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b 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 -> 5e702e85c3d7f91108386d3bed8993d879aa98d42d10adbcd14f5fa9bf29e29b [2024-12-05 22:11:05,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:05,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:05,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:05,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:05,081 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:05,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_8.i [2024-12-05 22:11:07,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/09ae2f7df/e794bcfc0c8c435e8251bba727244589/FLAG796db73c0 [2024-12-05 22:11:07,934 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:07,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i [2024-12-05 22:11:07,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/09ae2f7df/e794bcfc0c8c435e8251bba727244589/FLAG796db73c0 [2024-12-05 22:11:08,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/data/09ae2f7df/e794bcfc0c8c435e8251bba727244589 [2024-12-05 22:11:08,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:08,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:08,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:08,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:08,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:08,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75147f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08, skipping insertion in model container [2024-12-05 22:11:08,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:08,425 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[1224,1237] [2024-12-05 22:11:08,451 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[2848,2861] [2024-12-05 22:11:08,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:08,464 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:08,474 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[1224,1237] [2024-12-05 22:11:08,485 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_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/sv-benchmarks/c/combinations/gcd_4+newton_3_8.i[2848,2861] [2024-12-05 22:11:08,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:08,499 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:08,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08 WrapperNode [2024-12-05 22:11:08,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:08,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:08,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:08,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:08,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,530 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-12-05 22:11:08,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:08,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:08,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:08,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:08,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:08,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:08,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:08,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:08,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:08" (1/1) ... [2024-12-05 22:11:08,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:08,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:08,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 22:11:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 22:11:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:11:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:11:08,660 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:08,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:34,730 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:34,730 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:34,780 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:34,781 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:11:34,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:34 BoogieIcfgContainer [2024-12-05 22:11:34,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:34,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:34,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:34,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:34,789 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:34" (1/1) ... [2024-12-05 22:11:34,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-05 22:11:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-05 22:11:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:11:34,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:34,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:34,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:34,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:34,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:11:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:34,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:35,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:11:35,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:35,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:11:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-05 22:11:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-05 22:11:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:11:35,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:35,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:35,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:35,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:35,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:11:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:35,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:35,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:11:35,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:35,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 22:11:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 22:11:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 22:11:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:11:35,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:35,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:35,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:35,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:35,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:11:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:36,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:36,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:11:36,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:36,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:11:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-12-05 22:11:36,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-12-05 22:11:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:11:36,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:36,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:36,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:36,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:36,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:11:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:36,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:36,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:11:36,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:37,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:11:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-12-05 22:11:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-05 22:11:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:11:37,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:37,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:37,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:37,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:37,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:11:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:37,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:37,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:11:37,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:38,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:11:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-12-05 22:11:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-12-05 22:11:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:11:38,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:38,676 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:11:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:38,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:38,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:11:38,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:39,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:11:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-12-05 22:11:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-12-05 22:11:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:11:40,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:40,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:40,661 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:11:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:40,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:40,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:11:40,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:43,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:11:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-05 22:11:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-05 22:11:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:11:50,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:50,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:50,954 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:50,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:11:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:51,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:51,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:11:51,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:56,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:12:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-12-05 22:12:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-12-05 22:12:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:12:12,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:12,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:12,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:12,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:12,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a6584-6eaf-406b-ab57-fd3347e6ae18/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process