./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi --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 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:21,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:21,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:21,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:21,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:21,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:21,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:21,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:21,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:21,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:21,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:21,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:21,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:21,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:21,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:21,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:21,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:21,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:21,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:21,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:21,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:21,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:21,621 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:21,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:21,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:21,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:21,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:21,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:21,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:21,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:21,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:21,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:21,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:21,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2023-11-24 23:01:21,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:21,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:21,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:22,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:22,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:22,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-properties/list-1.i [2023-11-24 23:01:25,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:25,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:25,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/sv-benchmarks/c/list-properties/list-1.i [2023-11-24 23:01:25,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/data/8c99cab5c/c560f5efc9d74a78b87be9ad96926b1b/FLAG3f2a66efa [2023-11-24 23:01:25,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/data/8c99cab5c/c560f5efc9d74a78b87be9ad96926b1b [2023-11-24 23:01:25,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:25,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:25,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:25,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:25,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:25,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:25" (1/1) ... [2023-11-24 23:01:25,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb55436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:25, skipping insertion in model container [2023-11-24 23:01:25,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:25" (1/1) ... [2023-11-24 23:01:25,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:25,896 WARN L240 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_4159a297-0cc0-46e7-9347-201a4cdacd68/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2023-11-24 23:01:25,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:25,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:25,978 WARN L240 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_4159a297-0cc0-46e7-9347-201a4cdacd68/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2023-11-24 23:01:25,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:26,021 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:26,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26 WrapperNode [2023-11-24 23:01:26,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:26,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:26,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:26,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:26,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,093 INFO L138 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-11-24 23:01:26,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:26,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:26,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:26,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:26,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:26,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:26,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:26,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:26,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:26,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:26,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4159a297-0cc0-46e7-9347-201a4cdacd68/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-24 23:01:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:26,316 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:26,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:26,349 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-24 23:01:26,491 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:26,515 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:26,515 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:01:26,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:26 BoogieIcfgContainer [2023-11-24 23:01:26,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:26,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:26,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:26,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:26,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-24 23:01:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-24 23:01:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:26,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-24 23:01:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-24 23:01:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:26,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-24 23:01:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-24 23:01:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:27,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-24 23:01:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-24 23:01:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:28,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-24 23:01:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-24 23:01:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:28,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2023-11-24 23:01:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2023-11-24 23:01:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:29,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2023-11-24 23:01:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2023-11-24 23:01:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:31,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:31,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 120 transitions. [2023-11-24 23:01:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 120 transitions. [2023-11-24 23:01:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:33,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 72 states and 130 transitions. [2023-11-24 23:01:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 130 transitions. [2023-11-24 23:01:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:34,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 79 states and 146 transitions. [2023-11-24 23:01:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2023-11-24 23:01:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:35,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:35,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 79 states and 139 transitions. [2023-11-24 23:01:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 139 transitions. [2023-11-24 23:01:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:36,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 85 states and 154 transitions. [2023-11-24 23:01:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2023-11-24 23:01:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:38,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 87 states and 160 transitions. [2023-11-24 23:01:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 160 transitions. [2023-11-24 23:01:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:40,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 89 states and 166 transitions. [2023-11-24 23:01:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 166 transitions. [2023-11-24 23:01:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:41,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2023-11-24 23:01:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2023-11-24 23:01:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 111 states and 224 transitions. [2023-11-24 23:01:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 224 transitions. [2023-11-24 23:01:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:50,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 122 states and 252 transitions. [2023-11-24 23:01:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 252 transitions. [2023-11-24 23:01:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:01:56,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:02:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 128 states and 265 transitions. [2023-11-24 23:02:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 265 transitions. [2023-11-24 23:02:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:02:01,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 139 states and 295 transitions. [2023-11-24 23:02:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 295 transitions. [2023-11-24 23:02:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:02:09,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:09,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:02:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 302 transitions. [2023-11-24 23:02:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 302 transitions. [2023-11-24 23:02:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:02:11,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:11,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat