./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:16,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:16,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:49:16,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:49:16,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:49:16,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:16,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:16,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:16,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:16,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:16,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:16,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:16,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:16,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:16,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:16,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:49:16,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:49:16,242 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_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 [2024-11-13 22:49:16,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:16,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:16,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:16,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:16,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:16,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i Unable to find full path for "g++" [2024-11-13 22:49:18,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:18,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:18,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-11-13 22:49:18,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/2a895f84a/7b3aa21e578e4c8ab73cb5d8d12387bb/FLAGf016d77eb [2024-11-13 22:49:19,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/2a895f84a/7b3aa21e578e4c8ab73cb5d8d12387bb [2024-11-13 22:49:19,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:19,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:19,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:19,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:19,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:19,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ea84e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19, skipping insertion in model container [2024-11-13 22:49:19,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:19,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:19,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:19,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:19,683 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:19,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19 WrapperNode [2024-11-13 22:49:19,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:19,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:19,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:19,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:19,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,744 INFO L138 Inliner]: procedures = 125, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 22:49:19,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:19,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:19,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:19,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:19,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:19,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:19,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:19,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:19,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:19" (1/1) ... [2024-11-13 22:49:19,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:19,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:19,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:19,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:49:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:49:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:19,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:19,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:20,256 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:20,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:20,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:20,327 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:49:20,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:20 BoogieIcfgContainer [2024-11-13 22:49:20,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:20,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:20,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:20,342 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:20,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:20" (1/1) ... [2024-11-13 22:49:20,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-11-13 22:49:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-11-13 22:49:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:49:20,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-11-13 22:49:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-11-13 22:49:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:49:20,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-11-13 22:49:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-11-13 22:49:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:21,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2024-11-13 22:49:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2024-11-13 22:49:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:21,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:21,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-11-13 22:49:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-11-13 22:49:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:49:21,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-11-13 22:49:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-11-13 22:49:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:49:21,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-11-13 22:49:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-11-13 22:49:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:49:21,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:21,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-11-13 22:49:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-11-13 22:49:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:49:22,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-11-13 22:49:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-11-13 22:49:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:49:23,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:23,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-11-13 22:49:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-11-13 22:49:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:49:23,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:23,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-11-13 22:49:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-11-13 22:49:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:24,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:24,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-11-13 22:49:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-11-13 22:49:26,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:26,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:26,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2024-11-13 22:49:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2024-11-13 22:49:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:49:29,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2024-11-13 22:49:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2024-11-13 22:49:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:49:32,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:32,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-11-13 22:49:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-11-13 22:49:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:49:36,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:36,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-11-13 22:49:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-11-13 22:49:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:49:36,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-13 22:49:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-13 22:49:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:49:37,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-13 22:49:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-13 22:49:44,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:49:44,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-13 22:49:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-13 22:49:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:51,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:51,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-11-13 22:49:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-11-13 22:49:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:57,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-13 22:50:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-13 22:50:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:50:10,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-11-13 22:50:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-13 22:50:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:50:11,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2024-11-13 22:50:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-11-13 22:50:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:50:15,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:15,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2024-11-13 22:50:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-13 22:50:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:50:25,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:25,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2024-11-13 22:50:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-13 22:50:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:50:28,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:28,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-11-13 22:50:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-13 22:50:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:50:29,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:29,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2024-11-13 22:50:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-11-13 22:50:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:50:47,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:47,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:47,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:47,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:47,975 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 22:50:48,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:50:48 ImpRootNode [2024-11-13 22:50:48,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:50:48,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:50:48,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:50:48,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:50:48,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:20" (3/4) ... [2024-11-13 22:50:48,023 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:50:48,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:50:48,025 INFO L158 Benchmark]: Toolchain (without parser) took 88844.22ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 93.3MB in the beginning and 262.4MB in the end (delta: -169.0MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. [2024-11-13 22:50:48,025 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:48,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.65ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 76.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:48,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.28ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:48,027 INFO L158 Benchmark]: Boogie Preprocessor took 42.86ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:48,028 INFO L158 Benchmark]: RCFGBuilder took 536.92ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 54.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:48,029 INFO L158 Benchmark]: CodeCheck took 87689.22ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 54.6MB in the beginning and 262.5MB in the end (delta: -207.9MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:48,030 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 520.1MB. Free memory was 262.5MB in the beginning and 262.4MB in the end (delta: 102.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:48,032 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 1 procedures, 53 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 87.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 706 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 1773 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5701 IncrementalHoareTripleChecker+Invalid, 7474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1773 mSolverCounterUnsat, 42 mSDtfsCounter, 5701 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1789 GetRequests, 1281 SyntacticMatches, 32 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95307 ImplicationChecksByTransitivity, 80.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 545. Possible FailurePath: [L546] TData data; [L547] CALL alloc_data(&data) [L529] pdata->lo = (int *)malloc(sizeof(int)) [L530] pdata->hi = (int *)malloc(sizeof(int)) [L531] EXPR pdata->lo VAL [pdata={6466:0}] [L531] *(pdata->lo) = 4 [L532] EXPR pdata->hi [L532] *(pdata->hi) = 8 [L547] RET alloc_data(&data) [L548] CALL free_data(&data) [L536] EXPR data->lo [L536] int *lo = data->lo; [L537] EXPR data->hi [L537] int *hi = data->hi; [L538] EXPR \read(*lo) VAL [data={6466:0}, hi={-2:0}, lo={-1:0}] [L538] EXPR \read(*hi) VAL [data={6466:0}, hi={-2:0}, lo={-1:0}] [L538] COND FALSE !(*lo >= *hi) [L542] data->lo = ((void *)0) VAL [data={6466:0}, hi={-2:0}, lo={-1:0}] [L543] data->hi = ((void *)0) [L548] RET free_data(&data) [L549] return 0; [L549] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.65ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 76.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.28ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.86ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.92ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 54.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 87689.22ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 54.6MB in the beginning and 262.5MB in the end (delta: -207.9MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 520.1MB. Free memory was 262.5MB in the beginning and 262.4MB in the end (delta: 102.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:50:48,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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 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_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:50:50,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:50:50,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 22:50:50,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:50:50,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:50:50,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:50:50,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:50:50,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:50:50,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:50:50,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:50:50,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:50:50,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:50:50,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:50:50,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:50:50,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:50:50,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:50:50,996 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:50,997 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:50:50,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:50:50,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:50,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:50:50,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:50:50,998 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:50:50,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:50,998 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:50:50,998 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_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e7870b42a63b59b364c5190e807226b403761bdc30acb17e66a1329fa0ed9e16 [2024-11-13 22:50:51,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:50:51,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:50:51,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:50:51,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:50:51,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:50:51,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i Unable to find full path for "g++" [2024-11-13 22:50:53,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:50:53,783 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:50:53,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2024-11-13 22:50:53,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/aa0350098/bc0c8b8a9292428ebbf6aea1c2ccf426/FLAG49f1b206a [2024-11-13 22:50:53,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/data/aa0350098/bc0c8b8a9292428ebbf6aea1c2ccf426 [2024-11-13 22:50:53,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:50:53,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:50:53,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:53,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:50:53,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:50:53,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:53" (1/1) ... [2024-11-13 22:50:53,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3474c19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:53, skipping insertion in model container [2024-11-13 22:50:53,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:53" (1/1) ... [2024-11-13 22:50:53,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:50:54,265 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:50:54,266 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:50:54,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:54,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:50:54,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:54,374 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:50:54,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54 WrapperNode [2024-11-13 22:50:54,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:54,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:54,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:50:54,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:50:54,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,415 INFO L138 Inliner]: procedures = 128, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 22:50:54,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:54,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:50:54,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:50:54,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:50:54,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:50:54,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:50:54,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:50:54,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:50:54,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:54" (1/1) ... [2024-11-13 22:50:54,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:50:54,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:50:54,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:50:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:50:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:50:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:50:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:50:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:50:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:50:54,631 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:50:54,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:50:55,036 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-13 22:50:55,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:50:55,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:50:55,126 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:50:55,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:55 BoogieIcfgContainer [2024-11-13 22:50:55,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:50:55,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:50:55,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:50:55,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:50:55,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:55" (1/1) ... [2024-11-13 22:50:55,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:50:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-11-13 22:50:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-11-13 22:50:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:50:55,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:55,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:55,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:50:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:55,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:55,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:50:55,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:55,513 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-11-13 22:50:55,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-11-13 22:50:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:55,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:50:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-11-13 22:50:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-11-13 22:50:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:50:55,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:55,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:55,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:50:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:55,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:55,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:50:55,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:50:55,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-13 22:50:55,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:50:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:55,849 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:50:55,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:50:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-11-13 22:50:56,007 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-11-13 22:50:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:50:56,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:56,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:56,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:56,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:50:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:50:56,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:56,184 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:50:56,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:50:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:56,192 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:50:56,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:50:56,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2024-11-13 22:50:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2024-11-13 22:50:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:50:56,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:56,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:56,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:56,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:50:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:50:56,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:50:56,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-13 22:50:56,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:50:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:50:56,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 22:50:56,529 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:50:56,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:50:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:56,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:50:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-11-13 22:50:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-11-13 22:50:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:50:56,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:56,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:56,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:56,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:50:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:50:56,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:56,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:50:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-11-13 22:50:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-11-13 22:50:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:50:56,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:56,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:56,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:56,778 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:56,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:50:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:56,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:50:56,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:57,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:50:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-11-13 22:50:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-11-13 22:50:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:50:57,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:57,216 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:57,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:50:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:57,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:57,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:50:57,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:57,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 22:50:57,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 22:50:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:50:57,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-11-13 22:50:57,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:50:57,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:50:57,592 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-11-13 22:50:57,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2024-11-13 22:50:57,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 22:50:57,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 22:50:57,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 22:50:57,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 22:50:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:57,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:50:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-11-13 22:50:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-11-13 22:50:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:50:58,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:58,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:58,679 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:58,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:50:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:58,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:58,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:50:58,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:58,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:50:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:50:58,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-11-13 22:50:58,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:50:58,974 INFO L349 Elim1Store]: treesize reduction 36, result has 35.7 percent of original size [2024-11-13 22:50:58,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2024-11-13 22:50:59,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 22:50:59,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:50:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:50:59,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:51:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-11-13 22:51:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-11-13 22:51:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:00,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:00,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:00,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:00,207 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:00,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:51:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:00,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:00,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:51:00,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:00,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:51:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-11-13 22:51:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-11-13 22:51:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:00,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:00,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:00,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:51:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:00,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:00,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:51:00,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:00,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:51:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-11-13 22:51:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-11-13 22:51:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:51:02,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:02,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:02,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:02,071 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:02,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:51:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:02,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:02,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:51:02,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:02,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:51:02,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 22:51:02,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:51:02,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:51:02,826 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:51:02,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2024-11-13 22:51:02,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:51:02,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 22:51:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:02,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:51:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-11-13 22:51:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-11-13 22:51:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:51:05,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:05,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:05,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:51:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:06,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:06,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:51:06,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:06,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:51:06,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 22:51:06,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:51:06,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:51:06,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 22:51:06,752 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:51:06,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2024-11-13 22:51:06,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2024-11-13 22:51:06,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-13 22:51:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:06,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:51:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2024-11-13 22:51:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2024-11-13 22:51:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:51:11,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:11,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:11,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:11,516 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:11,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:51:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:11,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:11,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:51:11,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:12,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:51:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2024-11-13 22:51:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2024-11-13 22:51:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:51:17,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:17,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:17,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:51:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:18,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:18,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:51:18,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:18,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:51:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-11-13 22:51:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-11-13 22:51:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:51:26,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:26,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:26,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:26,851 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:26,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:51:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:26,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:27,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:51:27,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:27,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:51:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-11-13 22:51:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-11-13 22:51:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:51:27,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:27,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:27,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:27,042 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:27,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:51:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:27,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:27,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:51:27,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:27,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:51:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-13 22:51:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-13 22:51:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:51:27,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:27,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:27,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:27,336 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:27,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:51:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:27,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:27,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:51:27,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:27,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:51:27,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:51:27,913 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:51:27,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:51:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:51:28,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:51:28,918 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:51:28,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2024-11-13 22:51:29,694 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-13 22:51:29,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 47 [2024-11-13 22:51:30,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:51:30,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2024-11-13 22:51:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:30,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:51:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-13 22:51:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-13 22:51:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:51:41,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:41,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:41,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:41,470 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:51:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:41,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:41,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:51:41,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:41,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:51:42,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:51:42,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:51:42,190 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:51:42,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:51:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:51:42,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:51:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:51:42,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 22:51:43,507 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:51:43,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-11-13 22:51:43,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 22:51:44,440 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-13 22:51:44,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 61 [2024-11-13 22:51:44,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 11 [2024-11-13 22:51:44,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2024-11-13 22:51:44,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 22:51:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:51:45,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 22:51:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-13 22:51:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-13 22:51:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:51:58,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:58,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:58,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:58,145 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:58,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:51:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:58,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:51:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:51:58,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:51:58,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:58,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:51:58,882 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-13 22:51:58,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-13 22:51:58,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:51:59,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-13 22:52:00,356 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:52:00,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 41 [2024-11-13 22:52:00,872 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:52:00,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 41 [2024-11-13 22:52:01,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-13 22:52:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:02,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:52:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-11-13 22:52:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-11-13 22:52:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:52:10,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:10,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:10,565 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:10,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:52:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:10,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:10,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 22:52:10,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:10,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:52:11,005 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:52:11,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:52:11,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:52:11,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-13 22:52:12,556 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:52:12,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-11-13 22:52:13,150 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:52:13,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 57 [2024-11-13 22:52:13,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 28 [2024-11-13 22:52:14,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-11-13 22:52:14,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-13 22:52:14,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:14,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 22:52:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-13 22:52:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-13 22:52:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:52:32,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:32,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:32,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:32,956 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:32,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:52:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:33,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:33,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:52:33,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:33,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:52:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-11-13 22:52:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-13 22:52:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:52:38,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:38,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:38,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:38,548 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:38,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:52:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:38,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:38,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:52:38,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:39,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:52:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2024-11-13 22:52:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-13 22:52:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:52:51,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:51,017 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:51,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:52:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:51,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:51,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:52:51,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:51,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 22:52:51,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:52:51,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:52:51,422 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:52:51,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:52:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:52:51,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:52:51,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:52:51,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 22:52:52,200 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:52:52,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 46 [2024-11-13 22:52:52,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 22:52:52,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-13 22:52:52,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 22:52:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:53,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:53:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-11-13 22:53:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-13 22:53:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:53:02,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:02,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:02,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:02,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:53:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:03,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:03,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:53:03,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:04,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:53:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2024-11-13 22:53:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-13 22:53:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:53:21,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:21,096 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:21,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:53:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:21,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:21,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:53:21,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:21,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:53:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2024-11-13 22:53:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-13 22:53:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:53:23,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:23,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:53:23,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:53:23,780 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:53:23,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:53:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:24,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:53:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:24,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:53:24,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:24,177 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-13 22:53:24,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2024-11-13 22:53:24,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:53:24,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:53:24,857 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-13 22:53:24,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 26 [2024-11-13 22:53:25,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-13 22:53:25,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 22:53:27,146 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:53:27,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 67 [2024-11-13 22:53:27,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 22:53:27,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:53:28,851 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 22:53:28,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 80 [2024-11-13 22:53:28,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2024-11-13 22:53:28,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 24 [2024-11-13 22:53:30,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 37 [2024-11-13 22:53:30,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-13 22:53:32,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:53:32,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2024-11-13 22:53:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:32,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:54:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2024-11-13 22:54:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2024-11-13 22:54:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:54:21,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:21,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:21,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:21,316 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:21,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:54:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:21,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:23,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:23,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:54:23,897 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 22:54:23,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:23 ImpRootNode [2024-11-13 22:54:23,927 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:23,928 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:23,928 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:23,928 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:23,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:55" (3/4) ... [2024-11-13 22:54:23,932 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:23,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:23,934 INFO L158 Benchmark]: Toolchain (without parser) took 210092.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 94.0MB in the beginning and 78.1MB in the end (delta: 15.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-13 22:54:23,935 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:23,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.50ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 76.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:23,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:23,935 INFO L158 Benchmark]: Boogie Preprocessor took 27.66ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:23,936 INFO L158 Benchmark]: RCFGBuilder took 681.62ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 49.3MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:54:23,936 INFO L158 Benchmark]: CodeCheck took 208800.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 78.2MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:23,936 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:23,940 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 1 procedures, 53 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 208.7s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 665 SdHoareTripleChecker+Valid, 30.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 620 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 27.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 1653 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5873 IncrementalHoareTripleChecker+Invalid, 7526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1653 mSolverCounterUnsat, 44 mSDtfsCounter, 5873 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1897 GetRequests, 1418 SyntacticMatches, 35 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87375 ImplicationChecksByTransitivity, 193.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 30.4s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 185 ConstructedInterpolants, 3 QuantifiedInterpolants, 2648 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2439 ConjunctsInSsa, 296 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 545. Possible FailurePath: [L546] TData data; [L547] CALL alloc_data(&data) [L529] pdata->lo = (int *)malloc(sizeof(int)) [L530] pdata->hi = (int *)malloc(sizeof(int)) [L531] EXPR pdata->lo VAL [pdata={1310791:0}] [L531] *(pdata->lo) = 4 [L532] EXPR pdata->hi [L532] *(pdata->hi) = 8 [L547] RET alloc_data(&data) [L548] CALL free_data(&data) [L536] EXPR data->lo [L536] int *lo = data->lo; [L537] EXPR data->hi [L537] int *hi = data->hi; [L538] EXPR \read(*lo) VAL [data={1310791:0}, hi={65:0}, lo={66:0}] [L538] EXPR \read(*hi) VAL [data={1310791:0}, hi={65:0}, lo={66:0}] [L538] COND FALSE !(*lo >= *hi) [L542] data->lo = ((void *)0) VAL [data={1310791:0}, hi={65:0}, lo={66:0}] [L543] data->hi = ((void *)0) [L548] RET free_data(&data) [L549] return 0; [L549] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.50ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 76.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.66ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 681.62ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 49.3MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 208800.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 78.2MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:54:23,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c5ee26-64e2-4411-b3fd-a76d42b49f04/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: UNKNOWN: Overapproximated counterexample