./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b --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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:42:13,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:42:13,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:42:13,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:42:13,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:42:13,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:42:13,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:42:13,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:42:13,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:42:13,749 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:42:13,750 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:42:13,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:13,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:42:13,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:42:13,750 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_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2024-12-05 22:42:13,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:42:13,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:42:13,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:42:13,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:42:13,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:42:13,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-12-05 22:42:16,598 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/3cc589789/50287193d2194e9586f77fc5d4cef797/FLAGdf8624fed [2024-12-05 22:42:16,919 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:42:16,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-12-05 22:42:16,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/3cc589789/50287193d2194e9586f77fc5d4cef797/FLAGdf8624fed [2024-12-05 22:42:17,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/3cc589789/50287193d2194e9586f77fc5d4cef797 [2024-12-05 22:42:17,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:42:17,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:42:17,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:17,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:42:17,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:42:17,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:17" (1/1) ... [2024-12-05 22:42:17,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413c6d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:17, skipping insertion in model container [2024-12-05 22:42:17,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:42:17" (1/1) ... [2024-12-05 22:42:17,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:42:18,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:18,184 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:42:18,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:42:18,554 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:42:18,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18 WrapperNode [2024-12-05 22:42:18,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:42:18,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:18,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:42:18,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:42:18,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,782 INFO L138 Inliner]: procedures = 475, calls = 2694, calls flagged for inlining = 216, calls inlined = 370, statements flattened = 4897 [2024-12-05 22:42:18,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:42:18,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:42:18,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:42:18,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:42:18,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:42:18,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:42:18,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:42:18,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:42:18,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:42:18" (1/1) ... [2024-12-05 22:42:18,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:42:18,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:42:18,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:42:18,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:42:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:42:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:42:19,285 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:42:19,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:42:26,094 INFO L? ?]: Removed 2009 outVars from TransFormulas that were not future-live. [2024-12-05 22:42:26,094 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:42:26,996 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:42:26,997 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 22:42:26,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:26 BoogieIcfgContainer [2024-12-05 22:42:26,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:42:26,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:42:26,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:42:27,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:42:27,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:42:26" (1/1) ... [2024-12-05 22:42:27,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:42:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 792 states and 927 transitions. [2024-12-05 22:42:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 927 transitions. [2024-12-05 22:42:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:42:27,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:27,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:33,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:42:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2024-12-05 22:42:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2024-12-05 22:42:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:42:33,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:38,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:42:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 790 states and 925 transitions. [2024-12-05 22:42:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 925 transitions. [2024-12-05 22:42:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:42:38,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:38,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2024-12-05 22:42:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2024-12-05 22:42:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:42:41,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:41,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 788 states and 923 transitions. [2024-12-05 22:42:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 923 transitions. [2024-12-05 22:42:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:42:44,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:44,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:48,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:42:48,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 787 states and 922 transitions. [2024-12-05 22:42:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 922 transitions. [2024-12-05 22:42:48,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:42:48,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:48,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:52,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:42:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2024-12-05 22:42:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2024-12-05 22:42:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:42:53,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:53,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 791 states and 930 transitions. [2024-12-05 22:42:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 930 transitions. [2024-12-05 22:42:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:42:56,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:56,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:42:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 792 states and 931 transitions. [2024-12-05 22:42:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 931 transitions. [2024-12-05 22:42:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:42:59,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:43:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2024-12-05 22:43:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2024-12-05 22:43:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:43:02,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:43:06,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:43:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 791 states and 929 transitions. [2024-12-05 22:43:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 929 transitions. [2024-12-05 22:43:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:43:07,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:43:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 793 states and 931 transitions. [2024-12-05 22:43:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 931 transitions. [2024-12-05 22:43:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:43:10,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:43:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 795 states and 933 transitions. [2024-12-05 22:43:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 933 transitions. [2024-12-05 22:43:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:43:13,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:17,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:43:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 797 states and 935 transitions. [2024-12-05 22:43:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 935 transitions. [2024-12-05 22:43:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:43:20,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:20,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 796 states and 934 transitions. [2024-12-05 22:43:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 934 transitions. [2024-12-05 22:43:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:43:23,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 797 states and 937 transitions. [2024-12-05 22:43:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 937 transitions. [2024-12-05 22:43:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:43:25,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:25,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 796 states and 936 transitions. [2024-12-05 22:43:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 936 transitions. [2024-12-05 22:43:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:43:28,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 797 states and 937 transitions. [2024-12-05 22:43:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 937 transitions. [2024-12-05 22:43:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:43:30,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:30,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2024-12-05 22:43:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2024-12-05 22:43:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:43:33,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 793 states and 927 transitions. [2024-12-05 22:43:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 927 transitions. [2024-12-05 22:43:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:43:36,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:36,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 795 states and 929 transitions. [2024-12-05 22:43:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 929 transitions. [2024-12-05 22:43:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:43:40,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:40,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 797 states and 931 transitions. [2024-12-05 22:43:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 931 transitions. [2024-12-05 22:43:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:43:44,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 799 states and 933 transitions. [2024-12-05 22:43:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 933 transitions. [2024-12-05 22:43:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:43:47,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 801 states and 935 transitions. [2024-12-05 22:43:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 935 transitions. [2024-12-05 22:43:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:43:51,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:43:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 803 states and 936 transitions. [2024-12-05 22:43:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 936 transitions. [2024-12-05 22:43:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:43:55,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:43:57,584 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:43:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:44:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:44:10,781 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:44:10,784 INFO L158 Benchmark]: Toolchain (without parser) took 113601.54ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 88.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 224.3MB. Max. memory is 16.1GB. [2024-12-05 22:44:10,785 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:44:10,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.23ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 88.4MB in the beginning and 121.3MB in the end (delta: -32.9MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2024-12-05 22:44:10,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.53ms. Allocated memory is still 209.7MB. Free memory was 121.2MB in the beginning and 88.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:44:10,785 INFO L158 Benchmark]: Boogie Preprocessor took 165.62ms. Allocated memory is still 209.7MB. Free memory was 88.2MB in the beginning and 64.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:44:10,786 INFO L158 Benchmark]: RCFGBuilder took 8048.69ms. Allocated memory was 209.7MB in the beginning and 419.4MB in the end (delta: 209.7MB). Free memory was 63.9MB in the beginning and 105.7MB in the end (delta: -41.9MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2024-12-05 22:44:10,786 INFO L158 Benchmark]: CodeCheck took 103785.49ms. Allocated memory was 419.4MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 105.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:44:10,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.23ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 88.4MB in the beginning and 121.3MB in the end (delta: -32.9MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 226.53ms. Allocated memory is still 209.7MB. Free memory was 121.2MB in the beginning and 88.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.62ms. Allocated memory is still 209.7MB. Free memory was 88.2MB in the beginning and 64.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8048.69ms. Allocated memory was 209.7MB in the beginning and 419.4MB in the end (delta: 209.7MB). Free memory was 63.9MB in the beginning and 105.7MB in the end (delta: -41.9MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. * CodeCheck took 103785.49ms. Allocated memory was 419.4MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 105.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:44:10,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b --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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:44:12,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:44:12,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 22:44:12,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:44:12,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:44:12,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:44:12,830 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:44:12,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:44:12,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:44:12,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:12,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:44:12,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:12,833 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:44:12,833 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_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2024-12-05 22:44:13,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:44:13,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:44:13,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:44:13,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:44:13,087 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:44:13,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-12-05 22:44:15,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/eb9bc999f/4b2d7fd4489545429745a992a5a09180/FLAG0e54fb52e [2024-12-05 22:44:16,083 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:44:16,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-12-05 22:44:16,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/eb9bc999f/4b2d7fd4489545429745a992a5a09180/FLAG0e54fb52e [2024-12-05 22:44:16,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/data/eb9bc999f/4b2d7fd4489545429745a992a5a09180 [2024-12-05 22:44:16,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:44:16,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:44:16,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:16,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:44:16,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:44:16,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:16" (1/1) ... [2024-12-05 22:44:16,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50335115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:16, skipping insertion in model container [2024-12-05 22:44:16,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:16" (1/1) ... [2024-12-05 22:44:16,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:44:17,198 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:44:17,224 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:44:17,245 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:44:17,310 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:44:17,336 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:44:17,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:17,393 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:44:17,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:17,747 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:44:17,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17 WrapperNode [2024-12-05 22:44:17,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:17,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:17,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:44:17,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:44:17,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:17,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,011 INFO L138 Inliner]: procedures = 485, calls = 2694, calls flagged for inlining = 216, calls inlined = 370, statements flattened = 4684 [2024-12-05 22:44:18,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:18,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:44:18,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:44:18,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:44:18,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,148 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:44:18,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:44:18,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:44:18,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:44:18,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:17" (1/1) ... [2024-12-05 22:44:18,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:44:18,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:44:18,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:44:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:44:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-05 22:44:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:44:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-05 22:44:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:44:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:44:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-05 22:44:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-05 22:44:18,585 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:44:18,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:44:42,922 INFO L? ?]: Removed 1962 outVars from TransFormulas that were not future-live. [2024-12-05 22:44:42,922 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:44:43,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:44:43,568 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 22:44:43,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:43 BoogieIcfgContainer [2024-12-05 22:44:43,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:44:43,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:44:43,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:44:43,576 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:44:43,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:43" (1/1) ... [2024-12-05 22:44:43,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:44:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 792 states and 927 transitions. [2024-12-05 22:44:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 927 transitions. [2024-12-05 22:44:43,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:44:43,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:43,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:44:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:50,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:56,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:44:56,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:44:56,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:45:08,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2024-12-05 22:45:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2024-12-05 22:45:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:45:09,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:09,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:09,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:09,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:09,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:45:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:21,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:25,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:45:25,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:26,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:45:39,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:43,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 790 states and 925 transitions. [2024-12-05 22:45:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 925 transitions. [2024-12-05 22:45:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:45:43,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:43,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:43,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:43,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:43,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:45:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:46,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:50,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:45:50,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:51,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:45:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2024-12-05 22:45:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2024-12-05 22:45:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:45:51,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:51,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:51,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:51,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:46:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:02,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:07,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:46:07,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:07,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 22:46:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 788 states and 923 transitions. [2024-12-05 22:46:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 923 transitions. [2024-12-05 22:46:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:46:08,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:08,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:08,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:46:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:15,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:19,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:46:19,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:20,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:46:34,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:46:38,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:46:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 787 states and 922 transitions. [2024-12-05 22:46:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 922 transitions. [2024-12-05 22:46:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:46:38,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:38,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:38,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:38,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:38,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:46:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:50,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:54,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:46:54,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:56,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:47:11,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:15,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2024-12-05 22:47:19,505 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2024-12-05 22:47:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:47:19,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:19,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:19,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:19,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:47:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:31,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:35,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:47:35,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:37,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:47:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:41,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2024-12-05 22:47:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2024-12-05 22:47:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:47:41,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:41,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:41,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:41,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:47:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:53,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:00,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 2920 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:48:00,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:01,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:48:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 793 states and 928 transitions. [2024-12-05 22:48:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 928 transitions. [2024-12-05 22:48:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:48:07,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:07,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:07,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:07,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:48:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:19,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:25,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:48:25,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:27,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:48:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 795 states and 930 transitions. [2024-12-05 22:48:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 930 transitions. [2024-12-05 22:48:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:48:33,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:33,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:33,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:33,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:48:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:46,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:53,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 2950 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:48:53,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:55,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:49:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 797 states and 932 transitions. [2024-12-05 22:49:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 932 transitions. [2024-12-05 22:49:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:49:02,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:02,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:02,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:02,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:49:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:14,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:21,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 2965 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:49:21,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:24,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:49:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 799 states and 934 transitions. [2024-12-05 22:49:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 934 transitions. [2024-12-05 22:49:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:49:32,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:32,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:32,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:32,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:32,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:49:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:45,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:53,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:49:53,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:56,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:50:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 801 states and 936 transitions. [2024-12-05 22:50:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 936 transitions. [2024-12-05 22:50:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:50:04,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:04,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:04,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:04,687 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:04,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:50:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:18,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:26,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 2995 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:50:26,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:30,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:50:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 803 states and 938 transitions. [2024-12-05 22:50:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 938 transitions. [2024-12-05 22:50:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:50:39,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:39,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:39,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:39,837 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:39,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:50:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:53,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:00,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:51:00,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:05,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:51:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 805 states and 940 transitions. [2024-12-05 22:51:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 940 transitions. [2024-12-05 22:51:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:51:14,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:14,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:14,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:14,845 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:14,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:51:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:29,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:36,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 3025 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:51:36,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:40,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:51:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 807 states and 942 transitions. [2024-12-05 22:51:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 942 transitions. [2024-12-05 22:51:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:51:51,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:51,296 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:51,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:51:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:59,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:06,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 3040 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:52:06,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:11,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:52:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 805 states and 939 transitions. [2024-12-05 22:52:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 939 transitions. [2024-12-05 22:52:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:52:20,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:20,576 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:20,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:52:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:28,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:34,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:52:34,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:52:37,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:52:55,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:00,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 807 states and 944 transitions. [2024-12-05 22:53:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 944 transitions. [2024-12-05 22:53:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:53:58,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:58,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:58,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:58,803 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:58,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:54:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:13,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:18,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:54:18,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:54:25,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-05 22:54:46,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:54:53,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:56:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 809 states and 946 transitions. [2024-12-05 22:56:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 946 transitions. [2024-12-05 22:56:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:56:24,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:24,755 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:56:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:28,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:33,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 3055 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:56:33,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:56:36,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6c6782-9e1b-4038-99e5-639c2f5686e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0