./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:19,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:19,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:19,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:19,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:19,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:19,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:19,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:19,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:19,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:19,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:19,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:19,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:19,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:19,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:19,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:19,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:19,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:19,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:19,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:19,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:19,592 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:19,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:19,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:19,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:19,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:19,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:19,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:19,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:19,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:19,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:19,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:19,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:19,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:19,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:19,598 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_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2023-11-23 20:27:19,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:19,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:19,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:20,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:20,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:20,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-23 20:27:23,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:23,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:23,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-23 20:27:23,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/data/95bf4a65c/f640d0cb1e7d4ddd96767acec915f432/FLAGcd7fa2175 [2023-11-23 20:27:23,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/data/95bf4a65c/f640d0cb1e7d4ddd96767acec915f432 [2023-11-23 20:27:23,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:23,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:23,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:23,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:23,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:23,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7072839c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23, skipping insertion in model container [2023-11-23 20:27:23,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:23,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:23,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:23,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:23,716 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:23,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23 WrapperNode [2023-11-23 20:27:23,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:23,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:23,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:23,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:23,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,765 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:27:23,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:23,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:23,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:23,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:23,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:23,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:23,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:23,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:23,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:23" (1/1) ... [2023-11-23 20:27:23,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:23,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:23,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:23,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab7b206-9bbb-471e-8f30-9ab1d69927cb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:23,994 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:23,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:24,417 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:24,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:24,467 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:27:24,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:24 BoogieIcfgContainer [2023-11-23 20:27:24,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:24,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:24,471 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:24,480 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:24,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:24" (1/1) ... [2023-11-23 20:27:24,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:27:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:27:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:27:24,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:27:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:27:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:24,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:27:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:27:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:24,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:27:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:27:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:25,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:27:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:27:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:25,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 20:27:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 20:27:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:25,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 20:27:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:27:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:26,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:26,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:26,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:26,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 20:27:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 20:27:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:27,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:27,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 20:27:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 20:27:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:27,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:28,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 20:27:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 20:27:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:29,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:29,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 20:27:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 20:27:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:29,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:29,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 20:27:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 20:27:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:30,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:30,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 146 states and 289 transitions. [2023-11-23 20:27:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 289 transitions. [2023-11-23 20:27:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:31,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:31,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:31,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 315 transitions. [2023-11-23 20:27:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 315 transitions. [2023-11-23 20:27:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:33,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:33,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 158 states and 316 transitions. [2023-11-23 20:27:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 316 transitions. [2023-11-23 20:27:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:34,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:34,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:34,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 164 states and 326 transitions. [2023-11-23 20:27:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 326 transitions. [2023-11-23 20:27:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:35,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:35,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 177 states and 353 transitions. [2023-11-23 20:27:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 353 transitions. [2023-11-23 20:27:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:37,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:38,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 184 states and 364 transitions. [2023-11-23 20:27:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 364 transitions. [2023-11-23 20:27:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:39,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:39,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 194 states and 387 transitions. [2023-11-23 20:27:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 387 transitions. [2023-11-23 20:27:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:41,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:41,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 202 states and 407 transitions. [2023-11-23 20:27:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 407 transitions. [2023-11-23 20:27:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:27:43,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:43,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 212 states and 434 transitions. [2023-11-23 20:27:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 434 transitions. [2023-11-23 20:27:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:27:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:46,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 223 states and 462 transitions. [2023-11-23 20:27:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 462 transitions. [2023-11-23 20:27:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:27:49,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:49,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:27:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 234 states and 494 transitions. [2023-11-23 20:27:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 494 transitions. [2023-11-23 20:27:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:27:52,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:52,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:27:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 238 states and 499 transitions. [2023-11-23 20:27:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 499 transitions. [2023-11-23 20:27:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:27:53,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:53,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:27:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 246 states and 529 transitions. [2023-11-23 20:27:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 529 transitions. [2023-11-23 20:27:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:27:55,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:55,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:27:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 250 states and 533 transitions. [2023-11-23 20:27:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 533 transitions. [2023-11-23 20:27:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:27:56,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:56,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:27:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 257 states and 557 transitions. [2023-11-23 20:27:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 557 transitions. [2023-11-23 20:27:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:27:58,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:58,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:58,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:58,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 270 states and 591 transitions. [2023-11-23 20:28:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 591 transitions. [2023-11-23 20:28:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:28:03,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:03,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 271 states and 592 transitions. [2023-11-23 20:28:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 592 transitions. [2023-11-23 20:28:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:28:03,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:03,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 279 states and 616 transitions. [2023-11-23 20:28:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 616 transitions. [2023-11-23 20:28:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:05,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:05,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:05,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 290 states and 645 transitions. [2023-11-23 20:28:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 645 transitions. [2023-11-23 20:28:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:07,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:07,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:07,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:07,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 294 states and 649 transitions. [2023-11-23 20:28:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 649 transitions. [2023-11-23 20:28:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:08,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:08,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:08,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 311 states and 688 transitions. [2023-11-23 20:28:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 688 transitions. [2023-11-23 20:28:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:28:13,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:13,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:28:13,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:15,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 315 states and 697 transitions. [2023-11-23 20:28:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 697 transitions. [2023-11-23 20:28:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:28:15,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:15,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:15,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:15,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.