./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.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_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/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_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/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_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/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 b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:43,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:43,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:57:43,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:43,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:43,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:43,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:43,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:43,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:43,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:43,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:43,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:43,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:43,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:43,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:43,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:43,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:43,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:43,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:43,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:57:43,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:43,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:43,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:43,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:43,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:43,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:43,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:43,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:43,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:43,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:43,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:43,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:43,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:43,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:43,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:43,527 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_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2023-11-19 03:57:43,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:43,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:43,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:43,879 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:43,880 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:43,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-19 03:57:47,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:47,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:47,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-19 03:57:47,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/data/e9d45a844/9ef634b20d4f44dfbbb2ad1ab67bf679/FLAGbec609803 [2023-11-19 03:57:47,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/data/e9d45a844/9ef634b20d4f44dfbbb2ad1ab67bf679 [2023-11-19 03:57:47,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:47,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:47,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:47,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:47,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:47,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405ee1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47, skipping insertion in model container [2023-11-19 03:57:47,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:47,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:47,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,947 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:47,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47 WrapperNode [2023-11-19 03:57:47,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:47,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:47,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:47,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:47,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,000 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 03:57:48,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:48,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:48,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:48,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:48,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:48,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:48,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:48,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:48,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:48,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:48,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:48,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38bdbd5-3fb1-4898-b28c-c31c8ffa601d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:48,211 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:48,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:48,592 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:48,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:48,630 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:48,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48 BoogieIcfgContainer [2023-11-19 03:57:48,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:48,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:48,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:48,651 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:48,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48" (1/1) ... [2023-11-19 03:57:48,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:57:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:57:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:57:48,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:48,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:49,096 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 03:57:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:57:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:57:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:57:49,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:49,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:49,298 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 03:57:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-19 03:57:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-19 03:57:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:57:49,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:49,500 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 03:57:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-19 03:57:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-19 03:57:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:57:49,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:49,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:49,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:49,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:49,819 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 03:57:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-19 03:57:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-19 03:57:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:57:50,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,151 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 03:57:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-19 03:57:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-19 03:57:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:57:50,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,302 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 03:57:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-19 03:57:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-19 03:57:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:50,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,943 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 03:57:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-19 03:57:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 03:57:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:51,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:51,809 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 03:57:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-19 03:57:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-19 03:57:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:52,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:52,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:52,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:53,105 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 03:57:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-19 03:57:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-19 03:57:54,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:54,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:54,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:54,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:54,353 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 03:57:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-19 03:57:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-19 03:57:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:55,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:55,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:55,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:55,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:55,142 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 03:57:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:57:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:57:55,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:55,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:56,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:56,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:56,105 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 03:57:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-19 03:57:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-19 03:57:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:56,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:56,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:56,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:56,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:56,306 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 03:57:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-19 03:57:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-19 03:57:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:57:58,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:58,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:58,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:58,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:58,362 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 03:57:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-19 03:57:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-19 03:57:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:57:58,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:58,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:58,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:58,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:58,535 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 03:57:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-19 03:57:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-19 03:57:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:57:59,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:59,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:59,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:59,700 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 03:58:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-19 03:58:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-19 03:58:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:58:02,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:02,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:02,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:02,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:58:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 173 states and 313 transitions. [2023-11-19 03:58:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2023-11-19 03:58:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:58:03,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:03,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:04,331 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 03:58:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 183 states and 336 transitions. [2023-11-19 03:58:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 336 transitions. [2023-11-19 03:58:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:58:06,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,333 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 03:58:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 184 states and 344 transitions. [2023-11-19 03:58:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 344 transitions. [2023-11-19 03:58:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:58:06,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,621 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 03:58:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 194 states and 369 transitions. [2023-11-19 03:58:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2023-11-19 03:58:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:58:09,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:58:09,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:09,207 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 03:58:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 205 states and 395 transitions. [2023-11-19 03:58:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 395 transitions. [2023-11-19 03:58:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:58:12,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:12,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:12,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:12,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:12,793 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 03:58:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 216 states and 423 transitions. [2023-11-19 03:58:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 423 transitions. [2023-11-19 03:58:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:58:15,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:15,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:15,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:15,823 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 03:58:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 224 states and 450 transitions. [2023-11-19 03:58:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 450 transitions. [2023-11-19 03:58:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:58:17,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:17,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:17,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:17,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:17,881 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 03:58:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 231 states and 470 transitions. [2023-11-19 03:58:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 470 transitions. [2023-11-19 03:58:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:58:19,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:19,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:19,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:19,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:20,188 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 03:58:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 244 states and 500 transitions. [2023-11-19 03:58:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 500 transitions. [2023-11-19 03:58:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:58:24,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:24,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:24,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:24,200 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 03:58:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 245 states and 501 transitions. [2023-11-19 03:58:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 501 transitions. [2023-11-19 03:58:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:58:24,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:24,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:24,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:24,402 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 03:58:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 253 states and 521 transitions. [2023-11-19 03:58:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 521 transitions. [2023-11-19 03:58:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:26,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:26,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:26,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:58:26,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:26,300 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 03:58:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 264 states and 546 transitions. [2023-11-19 03:58:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 546 transitions. [2023-11-19 03:58:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:28,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:28,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:28,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:29,105 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 03:58:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 281 states and 581 transitions. [2023-11-19 03:58:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 581 transitions. [2023-11-19 03:58:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:58:33,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:33,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:58:33,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:34,067 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 03:58:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 293 states and 667 transitions. [2023-11-19 03:58:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 667 transitions. [2023-11-19 03:58:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:58:37,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:37,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:37,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:58:37,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.