./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/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_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e95467ef6cafcd26f4031a69e00febdc919d3c7174794600f70cac578001ccfd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:02,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:02,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:01:02,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:02,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:02,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:02,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:02,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:02,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:02,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:02,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:02,852 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:02,853 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:02,855 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:02,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:02,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:02,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:02,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:02,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:02,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:02,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:02,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:02,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:02,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:02,868 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:02,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:02,869 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_852dafb1-00a7-4c99-9679-3e115e2508ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95467ef6cafcd26f4031a69e00febdc919d3c7174794600f70cac578001ccfd [2023-11-24 23:01:03,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:03,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:03,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:03,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:03,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:03,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2023-11-24 23:01:06,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:06,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:06,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2023-11-24 23:01:06,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/data/a85a69a7e/0c1e43655b6a46d192daab47f99648ee/FLAG82dbd8a80 [2023-11-24 23:01:06,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/data/a85a69a7e/0c1e43655b6a46d192daab47f99648ee [2023-11-24 23:01:06,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:06,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:06,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:06,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:06,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:06,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:06" (1/1) ... [2023-11-24 23:01:06,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65317e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:06, skipping insertion in model container [2023-11-24 23:01:06,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:06" (1/1) ... [2023-11-24 23:01:06,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:08,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:08,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:08,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:09,017 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:09,019 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:09,019 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:09,027 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:09,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09 WrapperNode [2023-11-24 23:01:09,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:09,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:09,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:09,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:09,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,281 INFO L138 Inliner]: procedures = 569, calls = 363, calls flagged for inlining = 48, calls inlined = 105, statements flattened = 3288 [2023-11-24 23:01:09,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:09,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:09,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:09,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:09,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:09,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:09,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:09,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:09,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:09,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:09,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_852dafb1-00a7-4c99-9679-3e115e2508ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-24 23:01:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:01:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:01:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 23:01:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:01:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-24 23:01:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:10,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:10,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:14,865 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:15,901 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:15,902 INFO L309 CfgBuilder]: Removed 64 assume(true) statements. [2023-11-24 23:01:15,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:15 BoogieIcfgContainer [2023-11-24 23:01:15,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:15,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:15,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:15,919 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:15,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1832 states and 2112 transitions. [2023-11-24 23:01:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2112 transitions. [2023-11-24 23:01:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:16,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,638 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 23:01:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1831 states and 2111 transitions. [2023-11-24 23:01:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2111 transitions. [2023-11-24 23:01:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:16,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,965 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 23:01:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1830 states and 2110 transitions. [2023-11-24 23:01:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2110 transitions. [2023-11-24 23:01:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:17,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,176 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 23:01:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1831 states and 2112 transitions. [2023-11-24 23:01:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2112 transitions. [2023-11-24 23:01:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:17,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,309 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 23:01:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1832 states and 2114 transitions. [2023-11-24 23:01:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2114 transitions. [2023-11-24 23:01:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:17,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,619 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 23:01:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1834 states and 2116 transitions. [2023-11-24 23:01:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2116 transitions. [2023-11-24 23:01:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:17,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1835 states and 2119 transitions. [2023-11-24 23:01:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2119 transitions. [2023-11-24 23:01:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:18,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:01:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1835 states and 2118 transitions. [2023-11-24 23:01:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2118 transitions. [2023-11-24 23:01:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:18,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,510 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 23:01:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1837 states and 2121 transitions. [2023-11-24 23:01:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2121 transitions. [2023-11-24 23:01:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:18,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,129 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 23:01:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1839 states and 2126 transitions. [2023-11-24 23:01:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2126 transitions. [2023-11-24 23:01:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:19,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:19,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:01:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1839 states and 2125 transitions. [2023-11-24 23:01:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2125 transitions. [2023-11-24 23:01:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:19,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1840 states and 2125 transitions. [2023-11-24 23:01:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2125 transitions. [2023-11-24 23:01:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:20,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1842 states and 2130 transitions. [2023-11-24 23:01:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2130 transitions. [2023-11-24 23:01:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:20,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:01:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1842 states and 2129 transitions. [2023-11-24 23:01:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2129 transitions. [2023-11-24 23:01:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:20,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1843 states and 2129 transitions. [2023-11-24 23:01:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2129 transitions. [2023-11-24 23:01:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:21,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:21,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1845 states and 2134 transitions. [2023-11-24 23:01:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2134 transitions. [2023-11-24 23:01:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:22,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:01:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1845 states and 2133 transitions. [2023-11-24 23:01:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2133 transitions. [2023-11-24 23:01:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:22,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1846 states and 2133 transitions. [2023-11-24 23:01:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2133 transitions. [2023-11-24 23:01:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:23,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:01:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1849 states and 2141 transitions. [2023-11-24 23:01:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2141 transitions. [2023-11-24 23:01:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:26,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1851 states and 2146 transitions. [2023-11-24 23:01:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2146 transitions. [2023-11-24 23:01:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:26,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:01:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1851 states and 2145 transitions. [2023-11-24 23:01:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2145 transitions. [2023-11-24 23:01:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:27,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1852 states and 2145 transitions. [2023-11-24 23:01:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2145 transitions. [2023-11-24 23:01:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:28,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1854 states and 2150 transitions. [2023-11-24 23:01:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2150 transitions. [2023-11-24 23:01:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:29,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 23:01:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1854 states and 2149 transitions. [2023-11-24 23:01:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2149 transitions. [2023-11-24 23:01:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:29,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1856 states and 2155 transitions. [2023-11-24 23:01:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2155 transitions. [2023-11-24 23:01:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:32,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:32,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1858 states and 2162 transitions. [2023-11-24 23:01:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2162 transitions. [2023-11-24 23:01:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:33,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1860 states and 2170 transitions. [2023-11-24 23:01:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2170 transitions. [2023-11-24 23:01:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:34,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:34,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1862 states and 2171 transitions. [2023-11-24 23:01:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2171 transitions. [2023-11-24 23:01:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:36,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:01:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1862 states and 2170 transitions. [2023-11-24 23:01:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2170 transitions. [2023-11-24 23:01:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:36,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1864 states and 2177 transitions. [2023-11-24 23:01:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2177 transitions. [2023-11-24 23:01:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:37,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:37,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1865 states and 2178 transitions. [2023-11-24 23:01:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2178 transitions. [2023-11-24 23:01:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:39,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 23:01:39,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1865 states and 2177 transitions. [2023-11-24 23:01:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2177 transitions. [2023-11-24 23:01:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:39,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1867 states and 2180 transitions. [2023-11-24 23:01:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2180 transitions. [2023-11-24 23:01:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:40,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 23:01:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1867 states and 2179 transitions. [2023-11-24 23:01:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2179 transitions. [2023-11-24 23:01:41,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:41,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1846 states and 2125 transitions. [2023-11-24 23:01:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2125 transitions. [2023-11-24 23:01:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:42,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 23:01:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1845 states and 2124 transitions. [2023-11-24 23:01:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2124 transitions. [2023-11-24 23:01:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:50,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 23:01:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1844 states and 2123 transitions. [2023-11-24 23:01:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2123 transitions. [2023-11-24 23:01:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:50,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat