./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL --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 aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:29,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:29,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:29:29,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:29,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:29,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:29,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:30,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:30,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:30,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:30,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:30,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:30,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:30,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:30,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:30,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:30,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:30,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:30,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:30,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:29:30,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:29:30,008 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:30,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:30,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:30,010 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:30,010 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:30,010 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:30,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:30,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:30,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:30,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:30,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:30,012 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:30,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:30,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:30,013 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_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 [2023-11-19 03:29:30,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:30,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:30,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:30,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:30,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:30,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2023-11-19 03:29:33,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:33,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:33,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2023-11-19 03:29:33,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/data/dbf032a8b/24f17466c35046d397a960812fccb389/FLAG23be631e2 [2023-11-19 03:29:33,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/data/dbf032a8b/24f17466c35046d397a960812fccb389 [2023-11-19 03:29:33,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:33,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:33,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:33,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:33,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:33,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:33,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec8c2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33, skipping insertion in model container [2023-11-19 03:29:33,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:33,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:33,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:33,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:33,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:33,995 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:33,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33 WrapperNode [2023-11-19 03:29:33,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:33,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:33,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:33,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:34,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,039 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:29:34,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:34,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:34,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:34,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:34,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:34,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:34,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:34,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:34,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:33" (1/1) ... [2023-11-19 03:29:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:34,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:34,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81529f-d284-4d78-8358-b0a207bd9dce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:29:34,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:34,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:34,570 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:34,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:34,633 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:34,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:34 BoogieIcfgContainer [2023-11-19 03:29:34,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:34,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:34,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:34,650 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:34,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:34" (1/1) ... [2023-11-19 03:29:34,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:29:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:29:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:29:34,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:34,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:29:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:29:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:29:35,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:29:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:29:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:29:35,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:29:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:29:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:29:35,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:35,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:35,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:29:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:29:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:36,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:36,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:36,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:29:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:29:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:29:36,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:36,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:36,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:29:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:29:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:36,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:36,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:37,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:37,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-19 03:29:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-19 03:29:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:37,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:37,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:37,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 118 states and 179 transitions. [2023-11-19 03:29:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2023-11-19 03:29:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:29:39,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:39,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:39,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 129 states and 225 transitions. [2023-11-19 03:29:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 225 transitions. [2023-11-19 03:29:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:29:40,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:40,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:40,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:29:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:29:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:29:41,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:41,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:41,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 251 transitions. [2023-11-19 03:29:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 251 transitions. [2023-11-19 03:29:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:29:42,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:42,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:42,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2023-11-19 03:29:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2023-11-19 03:29:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:29:43,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:43,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:43,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 163 states and 329 transitions. [2023-11-19 03:29:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 329 transitions. [2023-11-19 03:29:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:29:46,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:46,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:46,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 164 states and 330 transitions. [2023-11-19 03:29:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 330 transitions. [2023-11-19 03:29:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:29:46,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:46,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:46,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 168 states and 336 transitions. [2023-11-19 03:29:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 336 transitions. [2023-11-19 03:29:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:29:47,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:47,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:47,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 181 states and 363 transitions. [2023-11-19 03:29:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 363 transitions. [2023-11-19 03:29:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:29:50,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:50,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:50,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:50,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:51,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 188 states and 374 transitions. [2023-11-19 03:29:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 374 transitions. [2023-11-19 03:29:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:29:51,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:51,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:51,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 202 states and 400 transitions. [2023-11-19 03:29:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 400 transitions. [2023-11-19 03:29:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:29:54,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:54,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:54,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 210 states and 421 transitions. [2023-11-19 03:29:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 421 transitions. [2023-11-19 03:29:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:29:56,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:56,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:56,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:29:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 220 states and 446 transitions. [2023-11-19 03:29:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 446 transitions. [2023-11-19 03:29:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:29:58,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:58,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:59,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:59,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:30:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 231 states and 472 transitions. [2023-11-19 03:30:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 472 transitions. [2023-11-19 03:30:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:30:01,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:01,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:01,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:01,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:04,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 245 states and 509 transitions. [2023-11-19 03:30:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 509 transitions. [2023-11-19 03:30:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:30:04,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:04,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:04,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 253 states and 539 transitions. [2023-11-19 03:30:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 539 transitions. [2023-11-19 03:30:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:30:07,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:07,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:07,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:07,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 259 states and 562 transitions. [2023-11-19 03:30:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 562 transitions. [2023-11-19 03:30:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:30:08,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:08,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:08,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 272 states and 596 transitions. [2023-11-19 03:30:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 596 transitions. [2023-11-19 03:30:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:30:11,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:11,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:11,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 273 states and 597 transitions. [2023-11-19 03:30:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 597 transitions. [2023-11-19 03:30:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:30:11,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:11,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:11,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:11,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:12,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 282 states and 622 transitions. [2023-11-19 03:30:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 622 transitions. [2023-11-19 03:30:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:30:12,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:12,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:12,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:12,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:30:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 293 states and 653 transitions. [2023-11-19 03:30:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 653 transitions. [2023-11-19 03:30:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:30:15,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:15,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:15,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:30:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 302 states and 678 transitions. [2023-11-19 03:30:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 678 transitions. [2023-11-19 03:30:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:30:15,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:15,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:15,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:30:15,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:30:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 306 states and 685 transitions. [2023-11-19 03:30:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 685 transitions. [2023-11-19 03:30:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:30:17,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:17,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:17,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:30:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 320 states and 732 transitions. [2023-11-19 03:30:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 732 transitions. [2023-11-19 03:30:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:30:21,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:21,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:30:21,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:30:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 331 states and 823 transitions. [2023-11-19 03:30:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 823 transitions. [2023-11-19 03:30:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:30:24,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:24,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:30:24,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.