./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi --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 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:28,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:28,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:03:28,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:28,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:28,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:28,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:28,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:28,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:28,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:28,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:28,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:28,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:28,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:28,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:28,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:28,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:28,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:28,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:28,451 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:03:28,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:28,452 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:28,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:28,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:28,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:28,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:28,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:28,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:28,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:28,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:28,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:28,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:28,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:28,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:28,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:28,459 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_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a [2023-11-24 23:03:28,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:28,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:28,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:28,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:28,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:28,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-24 23:03:32,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:32,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:32,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-24 23:03:32,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/data/7c68ef0e9/5996e7a724ea49bebc20c387647aa06c/FLAGa9f105954 [2023-11-24 23:03:32,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/data/7c68ef0e9/5996e7a724ea49bebc20c387647aa06c [2023-11-24 23:03:32,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:32,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:32,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:32,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:32,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:32,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1a4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32, skipping insertion in model container [2023-11-24 23:03:32,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:32,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:32,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:32,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:32,787 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:32,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32 WrapperNode [2023-11-24 23:03:32,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:32,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:32,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:32,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:32,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,830 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-24 23:03:32,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:32,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:32,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:32,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:32,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:32,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:32,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:32,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:32,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:32,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:32,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:32,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee7e42-5529-462e-b5c4-467fe9cddf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:33,020 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:33,022 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:33,245 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:33,282 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:33,282 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:33,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:33 BoogieIcfgContainer [2023-11-24 23:03:33,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:33,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:33,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:33,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:33,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-24 23:03:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-24 23:03:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:03:33,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-24 23:03:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-24 23:03:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:03:33,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 23:03:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 23:03:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:03:33,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-24 23:03:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-24 23:03:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:33,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 23:03:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 23:03:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-24 23:03:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-24 23:03:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:34,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-24 23:03:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-24 23:03:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:03:34,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-24 23:03:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-24 23:03:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:34,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-24 23:03:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-24 23:03:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:35,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:03:35,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-24 23:03:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-24 23:03:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:35,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:03:35,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 79 transitions. [2023-11-24 23:03:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-24 23:03:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:36,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:36,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 101 transitions. [2023-11-24 23:03:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-24 23:03:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:37,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 112 transitions. [2023-11-24 23:03:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-24 23:03:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:37,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:38,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:38,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 115 transitions. [2023-11-24 23:03:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-24 23:03:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:03:38,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:38,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:38,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 128 transitions. [2023-11-24 23:03:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2023-11-24 23:03:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:03:39,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:39,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:03:39,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 87 states and 139 transitions. [2023-11-24 23:03:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-24 23:03:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:03:39,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:39,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:39,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:39,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 97 states and 156 transitions. [2023-11-24 23:03:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2023-11-24 23:03:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:40,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:40,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:40,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 166 transitions. [2023-11-24 23:03:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2023-11-24 23:03:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:41,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:41,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:41,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 106 states and 169 transitions. [2023-11-24 23:03:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2023-11-24 23:03:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:42,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:42,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:42,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 171 transitions. [2023-11-24 23:03:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2023-11-24 23:03:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:03:42,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:43,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:03:43,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 113 states and 185 transitions. [2023-11-24 23:03:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2023-11-24 23:03:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:43,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:43,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:03:43,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 198 transitions. [2023-11-24 23:03:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-24 23:03:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:03:45,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 231 transitions. [2023-11-24 23:03:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2023-11-24 23:03:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:03:47,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 141 states and 242 transitions. [2023-11-24 23:03:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 242 transitions. [2023-11-24 23:03:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:03:48,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:48,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:48,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 144 states and 244 transitions. [2023-11-24 23:03:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2023-11-24 23:03:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:03:49,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:49,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:49,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 246 transitions. [2023-11-24 23:03:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2023-11-24 23:03:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:03:50,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:50,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:50,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:50,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 150 states and 249 transitions. [2023-11-24 23:03:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 249 transitions. [2023-11-24 23:03:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:03:51,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:51,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:51,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:03:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 154 states and 266 transitions. [2023-11-24 23:03:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2023-11-24 23:03:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:03:51,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:51,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:51,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 184 states and 316 transitions. [2023-11-24 23:03:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 316 transitions. [2023-11-24 23:03:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:03:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:55,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:03:55,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 193 states and 340 transitions. [2023-11-24 23:03:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 340 transitions. [2023-11-24 23:03:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:03:57,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:57,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:57,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:57,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 196 states and 342 transitions. [2023-11-24 23:03:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 342 transitions. [2023-11-24 23:03:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:03:58,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:58,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:58,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:03:58,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 208 states and 376 transitions. [2023-11-24 23:03:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 376 transitions. [2023-11-24 23:03:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:03:59,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:59,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:00,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:04:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 214 states and 388 transitions. [2023-11-24 23:04:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 388 transitions. [2023-11-24 23:04:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:04:01,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:04:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 217 states and 390 transitions. [2023-11-24 23:04:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 390 transitions. [2023-11-24 23:04:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:04:02,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:04:02,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,314 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 221 states and 414 transitions. [2023-11-24 23:04:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 414 transitions. [2023-11-24 23:04:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:02,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:03,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 228 states and 425 transitions. [2023-11-24 23:04:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 425 transitions. [2023-11-24 23:04:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:04,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:04,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 231 states and 427 transitions. [2023-11-24 23:04:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 427 transitions. [2023-11-24 23:04:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:04:05,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:05,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 257 states and 474 transitions. [2023-11-24 23:04:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 474 transitions. [2023-11-24 23:04:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:04:09,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:09,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 262 states and 489 transitions. [2023-11-24 23:04:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 489 transitions. [2023-11-24 23:04:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:04:11,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:11,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 268 states and 501 transitions. [2023-11-24 23:04:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 501 transitions. [2023-11-24 23:04:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:04:13,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:13,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:13,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 272 states and 529 transitions. [2023-11-24 23:04:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 529 transitions. [2023-11-24 23:04:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:04:14,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:14,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:04:14,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 281 states and 557 transitions. [2023-11-24 23:04:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 557 transitions. [2023-11-24 23:04:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:04:16,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 291 states and 583 transitions. [2023-11-24 23:04:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 583 transitions. [2023-11-24 23:04:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:04:19,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:19,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:19,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:20,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 297 states and 596 transitions. [2023-11-24 23:04:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 596 transitions. [2023-11-24 23:04:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:04:20,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:20,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:20,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 300 states and 598 transitions. [2023-11-24 23:04:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 598 transitions. [2023-11-24 23:04:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:04:22,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:22,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:22,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 303 states and 600 transitions. [2023-11-24 23:04:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 600 transitions. [2023-11-24 23:04:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:04:23,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:23,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.