./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/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_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:47:20,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:20,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:20,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:20,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:20,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:20,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:20,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:20,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:20,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:20,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:20,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:20,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:20,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:20,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:20,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:20,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:20,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:20,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:20,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:20,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:20,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:20,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:20,611 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:20,612 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:20,612 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:20,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:20,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:20,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:20,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:20,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:20,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:20,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:20,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:20,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:20,617 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_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2023-11-21 18:47:20,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:20,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:20,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:20,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:20,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:20,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2023-11-21 18:47:24,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:24,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:24,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2023-11-21 18:47:24,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/data/25e6465aa/d0b231b9ab754091ae1e911e49940ac5/FLAG8b8591209 [2023-11-21 18:47:24,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/data/25e6465aa/d0b231b9ab754091ae1e911e49940ac5 [2023-11-21 18:47:24,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:24,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:24,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:24,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:24,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:24,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf7f3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24, skipping insertion in model container [2023-11-21 18:47:24,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:24,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:24,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:24,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:24,632 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:24,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24 WrapperNode [2023-11-21 18:47:24,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:24,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:24,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:24,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:24,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,670 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:47:24,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:24,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:24,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:24,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:24,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:24,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:24,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:24,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:24,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:24" (1/1) ... [2023-11-21 18:47:24,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:24,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:24,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c02e2bb-e2f8-4560-8036-b5caf388b8c0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:24,845 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:24,847 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:25,036 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:25,146 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:25,147 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:47:25,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:25 BoogieIcfgContainer [2023-11-21 18:47:25,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:25,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:25,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:25,160 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:25,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:25" (1/1) ... [2023-11-21 18:47:25,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-21 18:47:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-21 18:47:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:25,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-21 18:47:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-21 18:47:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:25,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-21 18:47:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-21 18:47:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:25,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:47:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:47:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:25,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:25,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:47:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:47:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:26,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:26,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:26,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:26,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-21 18:47:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-21 18:47:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:26,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:26,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:26,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:26,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-21 18:47:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:47:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:27,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-21 18:47:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-21 18:47:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:27,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:47:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-21 18:47:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-21 18:47:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:47:27,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:47:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-21 18:47:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-21 18:47:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:47:28,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:28,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:47:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2023-11-21 18:47:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2023-11-21 18:47:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:47:28,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:28,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:28,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 81 states and 154 transitions. [2023-11-21 18:47:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 154 transitions. [2023-11-21 18:47:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:47:29,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:29,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:29,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 155 transitions. [2023-11-21 18:47:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2023-11-21 18:47:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:29,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:30,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:30,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2023-11-21 18:47:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2023-11-21 18:47:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:30,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:30,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:30,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:47:30,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 95 states and 181 transitions. [2023-11-21 18:47:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 181 transitions. [2023-11-21 18:47:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:31,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 99 states and 190 transitions. [2023-11-21 18:47:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 190 transitions. [2023-11-21 18:47:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:31,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 105 states and 204 transitions. [2023-11-21 18:47:32,442 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2023-11-21 18:47:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:47:32,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:47:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2023-11-21 18:47:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2023-11-21 18:47:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:33,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:33,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:47:33,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 120 states and 236 transitions. [2023-11-21 18:47:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 236 transitions. [2023-11-21 18:47:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:47:34,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:34,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:47:34,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 129 states and 259 transitions. [2023-11-21 18:47:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 259 transitions. [2023-11-21 18:47:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:47:35,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:47:35,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 132 states and 262 transitions. [2023-11-21 18:47:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 262 transitions. [2023-11-21 18:47:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:47:35,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:35,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 136 states and 273 transitions. [2023-11-21 18:47:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 273 transitions. [2023-11-21 18:47:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:47:36,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:36,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 142 states and 287 transitions. [2023-11-21 18:47:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-11-21 18:47:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:47:37,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:47:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 149 states and 300 transitions. [2023-11-21 18:47:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 300 transitions. [2023-11-21 18:47:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:47:38,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:47:38,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2023-11-21 18:47:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2023-11-21 18:47:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:47:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:47:38,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:47:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 149 states and 291 transitions. [2023-11-21 18:47:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 291 transitions. [2023-11-21 18:47:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:47:39,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:47:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 288 transitions. [2023-11-21 18:47:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 288 transitions. [2023-11-21 18:47:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:47:40,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:40,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:40,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:47:40,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:47:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 300 transitions. [2023-11-21 18:47:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 300 transitions. [2023-11-21 18:47:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:47:41,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:41,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:47:41,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:47:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 166 states and 328 transitions. [2023-11-21 18:47:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 328 transitions. [2023-11-21 18:47:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:47:42,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:42,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:42,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:47:42,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 166 states and 321 transitions. [2023-11-21 18:47:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 321 transitions. [2023-11-21 18:47:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:47:43,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:47:43,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 166 states and 318 transitions. [2023-11-21 18:47:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 318 transitions. [2023-11-21 18:47:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:47:44,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:44,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:44,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:47:44,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:47:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 175 states and 343 transitions. [2023-11-21 18:47:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 343 transitions. [2023-11-21 18:47:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:47:45,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:45,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:47:45,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:47:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 185 states and 376 transitions. [2023-11-21 18:47:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 376 transitions. [2023-11-21 18:47:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:47:46,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:46,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:47:46,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:47:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 384 transitions. [2023-11-21 18:47:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 384 transitions. [2023-11-21 18:47:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:47:48,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:47:48,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:47:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 192 states and 382 transitions. [2023-11-21 18:47:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 382 transitions. [2023-11-21 18:47:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:47:50,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:50,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:50,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:47:50,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:47:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 379 transitions. [2023-11-21 18:47:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2023-11-21 18:47:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:47:50,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:50,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:50,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:47:50,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:47:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 202 states and 413 transitions. [2023-11-21 18:47:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 413 transitions. [2023-11-21 18:47:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:47:52,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:47:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 211 states and 438 transitions. [2023-11-21 18:47:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 438 transitions. [2023-11-21 18:47:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-21 18:47:53,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:53,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:47:53,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-21 18:47:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 224 states and 471 transitions. [2023-11-21 18:47:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 471 transitions. [2023-11-21 18:47:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:47:55,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:55,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:47:55,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:47:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 224 states and 468 transitions. [2023-11-21 18:47:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 468 transitions. [2023-11-21 18:47:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:47:56,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:56,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:56,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:47:56,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:47:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 228 states and 472 transitions. [2023-11-21 18:47:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 472 transitions. [2023-11-21 18:47:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:47:58,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:58,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:47:58,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:47:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 228 states and 469 transitions. [2023-11-21 18:47:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 469 transitions. [2023-11-21 18:47:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:47:59,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:59,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:47:59,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:48:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 238 states and 505 transitions. [2023-11-21 18:48:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 505 transitions. [2023-11-21 18:48:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:48:00,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:48:00,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:48:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 247 states and 529 transitions. [2023-11-21 18:48:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 529 transitions. [2023-11-21 18:48:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:48:02,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:02,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:02,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:48:02,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:48:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 247 states and 505 transitions. [2023-11-21 18:48:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 505 transitions. [2023-11-21 18:48:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:48:04,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:04,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:48:04,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 21 proven. 707 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:48:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 251 states and 507 transitions. [2023-11-21 18:48:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 507 transitions. [2023-11-21 18:48:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:48:06,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:06,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:06,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:48:06,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:48:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 251 states and 504 transitions. [2023-11-21 18:48:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 504 transitions. [2023-11-21 18:48:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:48:07,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:07,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:08,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:48:08,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:48:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 261 states and 542 transitions. [2023-11-21 18:48:09,637 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 542 transitions. [2023-11-21 18:48:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:48:09,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:09,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:48:09,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:48:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 268 states and 550 transitions. [2023-11-21 18:48:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 550 transitions. [2023-11-21 18:48:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:48:12,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:12,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:12,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:48:12,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:48:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 268 states and 547 transitions. [2023-11-21 18:48:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 547 transitions. [2023-11-21 18:48:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:48:14,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:14,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:48:14,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 27 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.