./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/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_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/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_46f7e2f0-58da-4015-8416-c0a1688efa1c/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:33,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:33,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:16:33,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:33,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:33,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:33,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:33,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:33,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:33,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:33,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:33,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:33,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:33,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:33,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:33,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:33,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:33,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:33,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:33,654 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:33,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:33,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:33,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:33,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:33,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:33,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:33,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:33,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:33,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:33,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:33,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:33,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:33,662 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:33,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:33,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:33,663 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_46f7e2f0-58da-4015-8416-c0a1688efa1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2023-11-19 03:16:33,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:34,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:34,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:34,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:34,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:34,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-19 03:16:37,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:37,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:37,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-19 03:16:37,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/data/adc1c43c1/3987236ab9254d78b5d8bbb095b27143/FLAGf57440914 [2023-11-19 03:16:37,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/data/adc1c43c1/3987236ab9254d78b5d8bbb095b27143 [2023-11-19 03:16:37,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:37,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:37,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:37,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:37,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:37,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4880bbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37, skipping insertion in model container [2023-11-19 03:16:37,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,512 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:37,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:37,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,787 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:37,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37 WrapperNode [2023-11-19 03:16:37,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:37,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:37,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:37,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:37,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,828 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 03:16:37,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:37,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:37,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:37,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:37,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:37,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:37,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:37,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:37,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:37,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:37,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f7e2f0-58da-4015-8416-c0a1688efa1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:16:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:16:38,019 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:38,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:38,302 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:38,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:38,356 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:16:38,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38 BoogieIcfgContainer [2023-11-19 03:16:38,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:38,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:38,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:38,381 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:38,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38" (1/1) ... [2023-11-19 03:16:38,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:16:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:16:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:16:38,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:38,700 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 03:16:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:16:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:16:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:16:38,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:38,813 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 03:16:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-19 03:16:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-19 03:16:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:16:38,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:38,894 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 03:16:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-19 03:16:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-19 03:16:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:16:38,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:38,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:38,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,046 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 03:16:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-19 03:16:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-19 03:16:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:39,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,355 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 03:16:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-19 03:16:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-19 03:16:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:39,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,606 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 03:16:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-19 03:16:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-19 03:16:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:39,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:40,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:40,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:40,135 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 03:16:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-19 03:16:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 03:16:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:40,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:40,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:40,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:40,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:40,782 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 03:16:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-19 03:16:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-19 03:16:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:41,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:41,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:41,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:41,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:41,875 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 03:16:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-19 03:16:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-19 03:16:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:42,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:42,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:42,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:16:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-19 03:16:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-19 03:16:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:43,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:43,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:43,632 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 03:16:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:16:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:16:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:44,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,408 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 03:16:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-19 03:16:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-19 03:16:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:44,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,559 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 03:16:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-19 03:16:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-19 03:16:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:46,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,349 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 03:16:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-19 03:16:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-19 03:16:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:46,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,502 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 03:16:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-19 03:16:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-19 03:16:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:47,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:47,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:47,753 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 03:16:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-19 03:16:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-19 03:16:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:50,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:50,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:50,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:50,251 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 03:16:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2023-11-19 03:16:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2023-11-19 03:16:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:16:51,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:51,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:51,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:52,112 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 03:16:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2023-11-19 03:16:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2023-11-19 03:16:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:16:54,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:54,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:54,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:54,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:54,169 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 03:16:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 191 states and 356 transitions. [2023-11-19 03:16:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 356 transitions. [2023-11-19 03:16:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:55,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:56,123 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 03:16:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 201 states and 381 transitions. [2023-11-19 03:16:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 381 transitions. [2023-11-19 03:16:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:16:58,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:58,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:58,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:58,439 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 03:17:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 212 states and 407 transitions. [2023-11-19 03:17:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 407 transitions. [2023-11-19 03:17:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:17:01,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:01,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:01,646 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 03:17:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 223 states and 435 transitions. [2023-11-19 03:17:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 435 transitions. [2023-11-19 03:17:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:17:03,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:03,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:03,823 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 03:17:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 227 states and 440 transitions. [2023-11-19 03:17:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 440 transitions. [2023-11-19 03:17:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:17:04,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:05,281 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 03:17:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 235 states and 466 transitions. [2023-11-19 03:17:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 466 transitions. [2023-11-19 03:17:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:17:06,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:06,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:06,832 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 03:17:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 239 states and 470 transitions. [2023-11-19 03:17:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 470 transitions. [2023-11-19 03:17:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:17:07,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:08,005 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 03:17:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 246 states and 490 transitions. [2023-11-19 03:17:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 490 transitions. [2023-11-19 03:17:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:17:09,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:09,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:09,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:09,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:10,305 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 03:17:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 259 states and 520 transitions. [2023-11-19 03:17:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 520 transitions. [2023-11-19 03:17:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:17:14,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:14,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:14,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:14,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:14,272 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 03:17:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 260 states and 521 transitions. [2023-11-19 03:17:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 521 transitions. [2023-11-19 03:17:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:17:14,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:14,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:14,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:14,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:14,500 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 03:17:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 268 states and 541 transitions. [2023-11-19 03:17:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 541 transitions. [2023-11-19 03:17:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:17:15,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:15,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:16,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:16,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:16,081 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 03:17:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 279 states and 566 transitions. [2023-11-19 03:17:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 566 transitions. [2023-11-19 03:17:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:17:17,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:18,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:18,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:18,060 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 03:17:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 283 states and 570 transitions. [2023-11-19 03:17:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 570 transitions. [2023-11-19 03:17:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:17:19,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:19,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:19,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:19,930 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 03:17:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 300 states and 605 transitions. [2023-11-19 03:17:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 605 transitions. [2023-11-19 03:17:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:17:24,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:24,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:17:24,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:24,750 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 03:17:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 304 states and 614 transitions. [2023-11-19 03:17:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 614 transitions. [2023-11-19 03:17:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:17:26,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:26,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:26,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:26,715 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 03:17:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 318 states and 661 transitions. [2023-11-19 03:17:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 661 transitions. [2023-11-19 03:17:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:17:30,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:30,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:30,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:30,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.