./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.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_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/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_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/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_422fbc4d-bb61-4b8c-ac8f-14507e489c19/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 aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:00,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:00,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:00,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:00,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:00,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:00,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:00,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:00,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:00,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:00,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:00,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:00,646 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:00,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:00,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:00,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:00,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:00,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:00,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:00,650 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:00,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:00,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:00,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:00,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:00,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:00,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:00,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:00,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:00,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:00,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:00,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:00,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:00,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:00,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:00,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:00,658 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_422fbc4d-bb61-4b8c-ac8f-14507e489c19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2023-11-23 20:11:00,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:00,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:00,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:00,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:00,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:01,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2023-11-23 20:11:04,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:04,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:04,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2023-11-23 20:11:04,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/data/7921ae309/57ad0fc5c31e42d9a0d0d7b8228af307/FLAGc66d925f6 [2023-11-23 20:11:04,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/data/7921ae309/57ad0fc5c31e42d9a0d0d7b8228af307 [2023-11-23 20:11:04,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:04,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:04,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:04,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:04,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:04,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b28332d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04, skipping insertion in model container [2023-11-23 20:11:04,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:04,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:04,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:04,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:04,730 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:04,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04 WrapperNode [2023-11-23 20:11:04,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:04,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:04,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:04,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:04,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,778 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-23 20:11:04,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:04,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:04,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:04,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:04,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:04,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:04,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:04,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:04,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:04" (1/1) ... [2023-11-23 20:11:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:04,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:04,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:04,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422fbc4d-bb61-4b8c-ac8f-14507e489c19/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:04,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:04,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:05,155 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:05,220 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:05,220 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:11:05,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:05 BoogieIcfgContainer [2023-11-23 20:11:05,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:05,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:05,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:05,234 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:05,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-23 20:11:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-23 20:11:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:11:05,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:05,540 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 20:11:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-23 20:11:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-23 20:11:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:11:05,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:05,727 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 20:11:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-23 20:11:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-23 20:11:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:05,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:05,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:05,808 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 20:11:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-23 20:11:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-23 20:11:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:11:05,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:05,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:05,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:05,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:06,139 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 20:11:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-23 20:11:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-23 20:11:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:11:06,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:06,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:06,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:06,579 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 20:11:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-23 20:11:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-23 20:11:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:06,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:06,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:06,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:06,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:06,799 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 20:11:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-23 20:11:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-23 20:11:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:07,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:11:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-23 20:11:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-23 20:11:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:07,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,958 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 20:11:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-23 20:11:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-23 20:11:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:11:07,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:11:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-23 20:11:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-23 20:11:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:08,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:11:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-23 20:11:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-23 20:11:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:08,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2023-11-23 20:11:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-11-23 20:11:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:09,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:09,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2023-11-23 20:11:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2023-11-23 20:11:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:09,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:09,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 89 states and 170 transitions. [2023-11-23 20:11:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 170 transitions. [2023-11-23 20:11:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:10,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:10,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:10,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:10,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2023-11-23 20:11:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2023-11-23 20:11:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:11,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:11,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 98 states and 190 transitions. [2023-11-23 20:11:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 190 transitions. [2023-11-23 20:11:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:11:11,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:11,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 99 states and 197 transitions. [2023-11-23 20:11:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 197 transitions. [2023-11-23 20:11:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:11:11,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:11:11,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:11:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2023-11-23 20:11:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2023-11-23 20:11:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:11:12,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:12,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:11:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 111 states and 214 transitions. [2023-11-23 20:11:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 214 transitions. [2023-11-23 20:11:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:11:13,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:11:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 111 states and 213 transitions. [2023-11-23 20:11:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2023-11-23 20:11:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:11:13,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:11:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 114 states and 217 transitions. [2023-11-23 20:11:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2023-11-23 20:11:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:11:14,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:11:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 114 states and 215 transitions. [2023-11-23 20:11:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 215 transitions. [2023-11-23 20:11:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:11:14,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:11:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 124 states and 244 transitions. [2023-11-23 20:11:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 244 transitions. [2023-11-23 20:11:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:11:15,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:15,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:15,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:15,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 252 transitions. [2023-11-23 20:11:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2023-11-23 20:11:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:11:16,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:16,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:16,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:11:16,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:11:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 131 states and 251 transitions. [2023-11-23 20:11:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 251 transitions. [2023-11-23 20:11:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:11:17,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:17,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:17,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:11:17,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:11:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 140 states and 274 transitions. [2023-11-23 20:11:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 274 transitions. [2023-11-23 20:11:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:11:18,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:18,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:18,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:11:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 140 states and 272 transitions. [2023-11-23 20:11:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 272 transitions. [2023-11-23 20:11:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:11:19,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:19,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:11:19,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:11:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 147 states and 285 transitions. [2023-11-23 20:11:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2023-11-23 20:11:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:11:20,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:20,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:20,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:20,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:11:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 157 states and 316 transitions. [2023-11-23 20:11:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 316 transitions. [2023-11-23 20:11:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:11:21,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:21,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:11:21,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:11:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 315 transitions. [2023-11-23 20:11:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 315 transitions. [2023-11-23 20:11:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:11:22,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:22,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:22,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:11:22,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 15 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:11:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 160 states and 319 transitions. [2023-11-23 20:11:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 319 transitions. [2023-11-23 20:11:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:11:23,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:23,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:11:23,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:11:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 316 transitions. [2023-11-23 20:11:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 316 transitions. [2023-11-23 20:11:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:11:24,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:24,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:11:24,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:11:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 169 states and 340 transitions. [2023-11-23 20:11:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 340 transitions. [2023-11-23 20:11:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:11:25,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:25,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:11:25,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:11:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 179 states and 372 transitions. [2023-11-23 20:11:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 372 transitions. [2023-11-23 20:11:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:11:26,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:26,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:26,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:11:26,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:11:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 186 states and 380 transitions. [2023-11-23 20:11:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 380 transitions. [2023-11-23 20:11:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:11:28,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:28,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:11:28,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:11:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 188 states and 362 transitions. [2023-11-23 20:11:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 362 transitions. [2023-11-23 20:11:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:11:30,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:30,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:11:30,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:11:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 192 states and 364 transitions. [2023-11-23 20:11:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 364 transitions. [2023-11-23 20:11:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:11:31,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:31,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:31,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:11:31,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:11:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 192 states and 361 transitions. [2023-11-23 20:11:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2023-11-23 20:11:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:11:32,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:32,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:11:32,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:11:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 202 states and 395 transitions. [2023-11-23 20:11:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 395 transitions. [2023-11-23 20:11:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:11:33,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:33,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:33,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:11:33,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:11:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 209 states and 403 transitions. [2023-11-23 20:11:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 403 transitions. [2023-11-23 20:11:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:11:35,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:35,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:11:35,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:11:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 209 states and 402 transitions. [2023-11-23 20:11:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 402 transitions. [2023-11-23 20:11:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:11:36,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:36,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:11:36,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 21 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:11:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 212 states and 406 transitions. [2023-11-23 20:11:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 406 transitions. [2023-11-23 20:11:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:11:38,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:38,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:11:38,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:11:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 212 states and 402 transitions. [2023-11-23 20:11:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 402 transitions. [2023-11-23 20:11:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:11:39,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:39,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:39,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:11:39,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:11:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 222 states and 437 transitions. [2023-11-23 20:11:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 437 transitions. [2023-11-23 20:11:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:11:40,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:40,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:11:40,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:11:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 229 states and 445 transitions. [2023-11-23 20:11:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 445 transitions. [2023-11-23 20:11:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:11:42,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:42,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:11:42,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:11:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 229 states and 429 transitions. [2023-11-23 20:11:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 429 transitions. [2023-11-23 20:11:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:11:44,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:44,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:44,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:11:44,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:11:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 229 states and 425 transitions. [2023-11-23 20:11:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 425 transitions. [2023-11-23 20:11:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:11:45,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:45,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:45,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:11:45,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:11:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 239 states and 461 transitions. [2023-11-23 20:11:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 461 transitions. [2023-11-23 20:11:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 20:11:46,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:46,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:47,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:11:47,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:11:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 246 states and 469 transitions. [2023-11-23 20:11:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 469 transitions. [2023-11-23 20:11:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 20:11:48,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:49,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:11:49,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-23 20:11:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 246 states and 459 transitions. [2023-11-23 20:11:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 459 transitions. [2023-11-23 20:11:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:11:50,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:50,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:11:50,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-23 20:11:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 246 states and 455 transitions. [2023-11-23 20:11:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2023-11-23 20:11:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 20:11:51,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:51,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:11:51,650 INFO L285 TraceCheckSpWp]: Computing forward predicates...