./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:23,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:23,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:02:23,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:02:23,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:02:23,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:23,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:02:23,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:02:23,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:23,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:23,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:23,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:23,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:23,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:23,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:23,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:23,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:23,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:23,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:23,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:23,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:02:23,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:02:23,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:02:23,454 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_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-11-25 02:02:23,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:23,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:23,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:23,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:23,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:23,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-25 02:02:27,084 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/8d2daa3c2/f65bf046310746389b162b5dc8049a16/FLAGd0eeed081 [2024-11-25 02:02:27,376 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:27,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-25 02:02:27,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/8d2daa3c2/f65bf046310746389b162b5dc8049a16/FLAGd0eeed081 [2024-11-25 02:02:27,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/8d2daa3c2/f65bf046310746389b162b5dc8049a16 [2024-11-25 02:02:27,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:27,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:27,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:27,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:27,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:27,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0f3b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27, skipping insertion in model container [2024-11-25 02:02:27,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:27,646 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-25 02:02:27,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:27,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:27,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-25 02:02:27,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:27,737 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:27,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27 WrapperNode [2024-11-25 02:02:27,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:27,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:27,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:27,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:27,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,785 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 02:02:27,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:27,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:27,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:27,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:27,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:27,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:27,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:27,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:27,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:27" (1/1) ... [2024-11-25 02:02:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:27,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:27,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:02:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:02:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:02:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:02:27,969 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:27,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:28,142 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:28,142 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:28,201 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:28,202 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:02:28,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:28 BoogieIcfgContainer [2024-11-25 02:02:28,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:28,203 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:28,203 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:28,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:28,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:28" (1/1) ... [2024-11-25 02:02:28,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 02:02:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 02:02:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:28,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 02:02:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 02:02:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:28,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 02:02:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 02:02:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:02:28,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-25 02:02:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 02:02:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:02:29,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:02:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-25 02:02:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 02:02:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:02:30,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:02:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:30,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:02:30,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:02:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-25 02:02:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-25 02:02:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:02:31,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:02:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:31,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:02:31,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:02:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-25 02:02:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-25 02:02:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:02:33,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:02:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-25 02:02:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-25 02:02:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:02:35,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:02:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-25 02:02:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-25 02:02:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:02:35,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:03:08,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:03:18,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:03:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 122 transitions. [2024-11-25 02:03:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2024-11-25 02:03:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:03:23,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:23,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:03:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 130 transitions. [2024-11-25 02:03:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2024-11-25 02:03:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:03:25,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:25,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:03:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2024-11-25 02:03:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-11-25 02:03:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:03:27,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:27,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:03:27,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:03:53,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:03:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 69 states and 152 transitions. [2024-11-25 02:03:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 152 transitions. [2024-11-25 02:03:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:03:53,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:53,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:53,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:03:53,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:03:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 71 states and 158 transitions. [2024-11-25 02:03:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 158 transitions. [2024-11-25 02:03:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:03:54,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:54,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:54,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:03:54,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:03:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 73 states and 159 transitions. [2024-11-25 02:03:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 159 transitions. [2024-11-25 02:03:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:03:56,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:56,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:03:56,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:03:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 160 transitions. [2024-11-25 02:03:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2024-11-25 02:03:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:03:57,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:57,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:58,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:03:58,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:04:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 83 states and 186 transitions. [2024-11-25 02:04:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2024-11-25 02:04:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:04:04,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:04,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:04:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 88 states and 199 transitions. [2024-11-25 02:04:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 199 transitions. [2024-11-25 02:04:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:04:13,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:04:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 95 states and 220 transitions. [2024-11-25 02:04:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 220 transitions. [2024-11-25 02:04:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:04:22,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:04:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 101 states and 247 transitions. [2024-11-25 02:04:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 247 transitions. [2024-11-25 02:04:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:04:28,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:04:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:29,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:04:29,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 02:04:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 107 states and 267 transitions. [2024-11-25 02:04:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 267 transitions. [2024-11-25 02:04:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:04:32,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:04:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 110 states and 276 transitions. [2024-11-25 02:04:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 276 transitions. [2024-11-25 02:04:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:04:34,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:34,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:04:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 110 states and 275 transitions. [2024-11-25 02:04:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 275 transitions. [2024-11-25 02:04:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:04:35,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:35,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:04:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:35,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:04:35,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:04:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 02:04:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 112 states and 276 transitions. [2024-11-25 02:04:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 276 transitions. [2024-11-25 02:04:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:04:37,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:04:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 114 states and 286 transitions. [2024-11-25 02:04:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 286 transitions. [2024-11-25 02:04:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:04:39,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:05:03,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:05:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 117 states and 295 transitions. [2024-11-25 02:05:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 295 transitions. [2024-11-25 02:05:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:05:09,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:09,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-25 02:05:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 119 states and 297 transitions. [2024-11-25 02:05:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 297 transitions. [2024-11-25 02:05:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:05:10,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:10,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:05:54,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:05:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 120 states and 302 transitions. [2024-11-25 02:05:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 302 transitions. [2024-11-25 02:05:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:05:54,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:54,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:06:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 123 states and 311 transitions. [2024-11-25 02:06:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 311 transitions. [2024-11-25 02:06:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:06:26,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:06:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 02:06:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 125 states and 316 transitions. [2024-11-25 02:06:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 316 transitions. [2024-11-25 02:06:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:06:29,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:06:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:06:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:29,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:06:29,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:06:48,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:06:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 131 states and 338 transitions. [2024-11-25 02:06:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 338 transitions. [2024-11-25 02:06:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:06:48,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:06:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:06:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:48,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:06:48,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:06:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 133 states and 342 transitions. [2024-11-25 02:06:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 342 transitions. [2024-11-25 02:06:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:06:52,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:06:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:06:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:52,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:06:52,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:07:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 137 states and 351 transitions. [2024-11-25 02:07:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 351 transitions. [2024-11-25 02:07:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:07:28,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:28,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:07:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:07:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:28,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:07:28,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:07:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 140 states and 355 transitions. [2024-11-25 02:07:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 355 transitions. [2024-11-25 02:07:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:07:34,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:34,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:07:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:07:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:34,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:07:34,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:07:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 02:07:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 141 states and 358 transitions. [2024-11-25 02:07:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 358 transitions. [2024-11-25 02:07:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 02:07:53,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:07:53,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:07:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:08:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 146 states and 387 transitions. [2024-11-25 02:08:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 387 transitions. [2024-11-25 02:08:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:08:35,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:08:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:08:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:38,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 02:08:38,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:08:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:10:26,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:10:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 158 states and 421 transitions. [2024-11-25 02:10:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 421 transitions. [2024-11-25 02:10:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:10:26,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:10:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:10:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:34,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 02:10:34,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:49,889 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 02:11:00,110 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 02:11:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 40 proven. 30 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:14:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 430 transitions. [2024-11-25 02:14:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 430 transitions. [2024-11-25 02:14:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:14:02,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:02,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:05,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 02:14:05,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:14:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 430 transitions. [2024-11-25 02:14:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 430 transitions. [2024-11-25 02:14:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:14:07,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:07,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:08,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:14:08,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 02:14:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 430 transitions. [2024-11-25 02:14:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 430 transitions. [2024-11-25 02:14:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:14:29,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:29,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:31,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:14:31,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 02:14:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 430 transitions. [2024-11-25 02:14:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 430 transitions. [2024-11-25 02:14:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:14:32,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:32,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:36,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 02:14:36,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:14:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 163 states and 430 transitions. [2024-11-25 02:14:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 430 transitions. [2024-11-25 02:14:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:14:36,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:14:47,088 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:14:47,093 INFO L158 Benchmark]: Toolchain (without parser) took 739660.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.4MB in the beginning and 246.4MB in the end (delta: -152.0MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2024-11-25 02:14:47,093 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:47,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.13ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:14:47,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:47,094 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 797.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:47,094 INFO L158 Benchmark]: RCFGBuilder took 375.93ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:14:47,094 INFO L158 Benchmark]: CodeCheck took 738889.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 66.6MB in the beginning and 246.4MB in the end (delta: -179.8MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-25 02:14:47,096 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 1.33ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.13ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.61ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 797.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.93ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 738889.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 66.6MB in the beginning and 246.4MB in the end (delta: -179.8MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:14:47,307 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:14:47,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:14:49,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:14:49,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:14:49,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:14:49,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:14:49,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:14:50,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:14:50,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:14:50,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:14:50,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:14:50,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:14:50,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:14:50,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:14:50,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:14:50,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:14:50,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:14:50,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:14:50,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:14:50,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:50,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:14:50,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:14:50,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:14:50,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:14:50,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:50,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:14:50,006 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_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-11-25 02:14:50,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:14:50,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:14:50,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:14:50,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:14:50,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:14:50,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-25 02:14:53,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/3fa90c6ba/6ced85e6a9fb4d40b6d629cae7c2b7b7/FLAG73595f86a [2024-11-25 02:14:53,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:14:53,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-25 02:14:53,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/3fa90c6ba/6ced85e6a9fb4d40b6d629cae7c2b7b7/FLAG73595f86a [2024-11-25 02:14:53,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/data/3fa90c6ba/6ced85e6a9fb4d40b6d629cae7c2b7b7 [2024-11-25 02:14:53,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:14:53,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:14:53,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:53,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:14:53,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:14:53,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:53" (1/1) ... [2024-11-25 02:14:53,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0c8fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:53, skipping insertion in model container [2024-11-25 02:14:53,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:53" (1/1) ... [2024-11-25 02:14:54,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:14:54,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-25 02:14:54,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:54,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:14:54,246 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c[537,550] [2024-11-25 02:14:54,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:54,284 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:14:54,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54 WrapperNode [2024-11-25 02:14:54,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:54,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:54,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:14:54,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:14:54,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,328 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 02:14:54,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:54,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:14:54,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:14:54,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:14:54,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:14:54,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:14:54,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:14:54,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:14:54,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:54,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:14:54,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:14:54,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:14:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:14:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:14:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:14:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:14:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:14:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:14:54,515 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:14:54,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:14:54,695 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:14:54,695 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:14:54,790 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:14:54,791 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:14:54,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:54 BoogieIcfgContainer [2024-11-25 02:14:54,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:14:54,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:14:54,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:14:54,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:14:54,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:54" (1/1) ... [2024-11-25 02:14:54,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:14:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 02:14:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 02:14:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:14:54,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:54,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:54,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:54,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:54,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:14:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:54,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:55,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:14:55,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:55,037 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:14:55,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:14:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 02:14:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 02:14:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:14:55,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:55,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:55,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:55,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:14:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:55,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:55,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:14:55,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:55,271 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:14:55,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:14:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 02:14:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 02:14:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:14:55,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:55,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:55,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:55,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:14:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:55,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:55,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:14:55,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:55,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:14:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-25 02:14:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 02:14:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:14:56,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:56,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:56,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:56,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:56,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:14:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:14:56,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:56,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:14:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-25 02:14:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-25 02:14:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:14:56,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:56,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:56,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:56,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:14:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:57,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:57,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:14:57,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:14:57,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:14:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-25 02:14:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-25 02:14:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:14:59,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:59,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:59,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:59,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:59,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:14:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:59,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:59,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:14:59,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:14:59,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:15:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-11-25 02:15:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-11-25 02:15:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:15:00,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:00,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:00,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:00,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:00,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:15:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:00,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:00,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:15:00,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:15:00,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:15:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2024-11-25 02:15:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2024-11-25 02:15:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:15:03,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:03,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:03,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:15:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:03,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:03,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:15:03,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:15:03,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:15:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 136 transitions. [2024-11-25 02:15:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2024-11-25 02:15:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:15:04,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:04,426 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:04,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:15:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:04,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:04,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:15:04,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:15:05,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:15:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-11-25 02:15:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-11-25 02:15:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:15:16,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:16,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:16,029 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:16,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:15:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:16,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:16,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:15:16,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:15:16,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 02:15:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 151 transitions. [2024-11-25 02:15:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 151 transitions. [2024-11-25 02:15:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:15:17,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:17,029 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:15:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:17,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:17,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 02:15:17,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 02:15:17,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:15:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 175 transitions. [2024-11-25 02:15:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 175 transitions. [2024-11-25 02:15:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:15:24,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:24,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:24,221 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:24,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:15:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:24,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:24,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:15:24,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:15:24,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 02:15:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2024-11-25 02:15:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2024-11-25 02:15:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:15:26,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:26,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:26,839 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:26,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:15:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:26,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:26,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:15:26,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:15:27,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:15:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2024-11-25 02:15:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2024-11-25 02:15:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:15:33,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:33,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:33,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:33,895 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:33,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:15:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:33,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:33,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:15:33,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:15:34,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:15:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 82 states and 213 transitions. [2024-11-25 02:15:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 213 transitions. [2024-11-25 02:15:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:15:36,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:36,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:36,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:36,315 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:15:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:36,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:36,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:15:36,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-25 02:15:36,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:15:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 84 states and 219 transitions. [2024-11-25 02:15:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 219 transitions. [2024-11-25 02:15:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:15:37,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:37,564 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:15:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:37,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:37,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:15:37,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:15:38,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 02:15:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 94 states and 289 transitions. [2024-11-25 02:15:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 289 transitions. [2024-11-25 02:15:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:15:45,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:45,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:45,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:45,899 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:45,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:15:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:45,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:45,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:15:45,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-25 02:15:46,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:15:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 97 states and 298 transitions. [2024-11-25 02:15:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 298 transitions. [2024-11-25 02:15:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:15:57,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:57,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:57,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:57,978 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:57,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:15:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:58,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:58,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:15:58,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:15:58,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:16:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 99 states and 304 transitions. [2024-11-25 02:16:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 304 transitions. [2024-11-25 02:16:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:16:07,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:07,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:07,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:07,089 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:16:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:07,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:07,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:16:07,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-25 02:16:07,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 02:16:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 101 states and 305 transitions. [2024-11-25 02:16:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 305 transitions. [2024-11-25 02:16:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:16:08,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:08,932 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:16:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:09,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:09,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:16:09,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:16:09,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:16:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 107 states and 337 transitions. [2024-11-25 02:16:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 337 transitions. [2024-11-25 02:16:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:16:20,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:20,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:20,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:20,018 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:20,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:16:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:20,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:20,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:16:20,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:16:22,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:16:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 121 states and 388 transitions. [2024-11-25 02:16:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 388 transitions. [2024-11-25 02:16:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:16:40,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:40,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:40,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:40,340 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:40,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:16:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:40,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:40,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:16:40,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:16:42,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:16:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 126 states and 401 transitions. [2024-11-25 02:16:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 401 transitions. [2024-11-25 02:16:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 02:16:50,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:50,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:50,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:50,239 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:16:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:50,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:50,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:16:50,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 02:16:52,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:17:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 129 states and 413 transitions. [2024-11-25 02:17:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 413 transitions. [2024-11-25 02:17:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 02:17:00,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:00,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:00,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:00,925 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:00,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:17:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:01,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:01,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:17:01,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-25 02:17:01,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 02:17:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 131 states and 422 transitions. [2024-11-25 02:17:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 422 transitions. [2024-11-25 02:17:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:17:02,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:02,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:02,780 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:02,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:17:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:02,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:02,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:17:02,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:17:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3166c597-4107-4ba1-bd70-c3f449a4e3e7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0