./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/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_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:33,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:33,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:46:33,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:33,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:33,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:33,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:33,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:33,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:33,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:33,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:33,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:33,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:33,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:33,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:33,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:33,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:33,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:33,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:33,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:33,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:33,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:33,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:33,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:33,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:33,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:33,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:33,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:33,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:33,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:33,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:33,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:33,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:33,626 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_2c141cd4-8014-447c-84fa-84924416a5f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 [2023-11-19 02:46:33,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:33,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:33,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:33,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:33,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:33,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2023-11-19 02:46:36,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:37,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:37,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2023-11-19 02:46:37,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/data/9af23f5c1/262670466a4640c09734a39d5d43001d/FLAG119a0212c [2023-11-19 02:46:37,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/data/9af23f5c1/262670466a4640c09734a39d5d43001d [2023-11-19 02:46:37,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:37,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:37,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:37,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:37,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:37,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51da6d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37, skipping insertion in model container [2023-11-19 02:46:37,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:37,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c[526,539] [2023-11-19 02:46:37,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:37,311 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:37,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c[526,539] [2023-11-19 02:46:37,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:37,343 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:37,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37 WrapperNode [2023-11-19 02:46:37,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:37,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:37,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:37,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:37,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,376 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-19 02:46:37,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:37,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:37,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:37,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:37,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:37,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:37,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:37,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:37,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:37,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:37,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:37,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c141cd4-8014-447c-84fa-84924416a5f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:37,561 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:37,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:37,725 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:37,764 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:37,764 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:46:37,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:37 BoogieIcfgContainer [2023-11-19 02:46:37,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:37,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:37,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:37,783 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:37,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:37" (1/1) ... [2023-11-19 02:46:37,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 02:46:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 02:46:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:46:37,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:37,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:46:38,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:38,056 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 02:46:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:46:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:46:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:46:38,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,252 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 02:46:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 02:46:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 02:46:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:46:38,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:46:38,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:38,514 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 02:46:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 02:46:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:46:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:46:38,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 02:46:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 02:46:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:46:39,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:39,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:46:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 02:46:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 02:46:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:46:40,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2023-11-19 02:46:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-19 02:46:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:46:40,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2023-11-19 02:46:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-11-19 02:46:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:46:41,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:41,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2023-11-19 02:46:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 02:46:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:46:42,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 130 transitions. [2023-11-19 02:46:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 02:46:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:46:43,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:43,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 61 states and 131 transitions. [2023-11-19 02:46:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 02:46:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:46:43,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:43,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 66 states and 149 transitions. [2023-11-19 02:46:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 149 transitions. [2023-11-19 02:46:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:46:44,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:44,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:44,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 150 transitions. [2023-11-19 02:46:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2023-11-19 02:46:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:46:45,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:45,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 165 transitions. [2023-11-19 02:46:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 165 transitions. [2023-11-19 02:46:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:46:45,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:46:45,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 167 transitions. [2023-11-19 02:46:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2023-11-19 02:46:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:46,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:46,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:46,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:46,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:46:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 75 states and 177 transitions. [2023-11-19 02:46:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 177 transitions. [2023-11-19 02:46:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:46,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:47,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:47,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 02:46:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 75 states and 175 transitions. [2023-11-19 02:46:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2023-11-19 02:46:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:46:47,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:47,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:47,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 85 states and 236 transitions. [2023-11-19 02:46:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 236 transitions. [2023-11-19 02:46:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:46:50,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:50,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:50,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:50,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 85 states and 235 transitions. [2023-11-19 02:46:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 235 transitions. [2023-11-19 02:46:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:50,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:50,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:50,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:50,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:46:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 90 states and 262 transitions. [2023-11-19 02:46:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2023-11-19 02:46:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:51,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:51,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:51,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:46:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 93 states and 276 transitions. [2023-11-19 02:46:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 276 transitions. [2023-11-19 02:46:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:54,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:54,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:54,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:46:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 95 states and 283 transitions. [2023-11-19 02:46:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 283 transitions. [2023-11-19 02:46:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:54,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:54,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:54,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 02:46:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 97 states and 284 transitions. [2023-11-19 02:46:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 284 transitions. [2023-11-19 02:46:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:46:55,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:55,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:55,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:55,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:46:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 103 states and 312 transitions. [2023-11-19 02:46:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 312 transitions. [2023-11-19 02:46:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:46:58,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:58,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:58,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:58,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:46:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 105 states and 313 transitions. [2023-11-19 02:46:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 313 transitions. [2023-11-19 02:46:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:46:59,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:59,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:59,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:59,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:47:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 107 states and 314 transitions. [2023-11-19 02:47:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 314 transitions. [2023-11-19 02:47:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:47:01,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:01,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:01,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:01,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:47:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 108 states and 322 transitions. [2023-11-19 02:47:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 322 transitions. [2023-11-19 02:47:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:47:01,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:01,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:01,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:47:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 112 states and 345 transitions. [2023-11-19 02:47:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 345 transitions. [2023-11-19 02:47:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:04,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:04,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:47:04,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:47:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 123 states and 406 transitions. [2023-11-19 02:47:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 406 transitions. [2023-11-19 02:47:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:07,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:07,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:07,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:07,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:47:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 128 states and 425 transitions. [2023-11-19 02:47:10,570 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 425 transitions. [2023-11-19 02:47:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:10,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:10,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:47:10,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:47:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 132 states and 431 transitions. [2023-11-19 02:47:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 431 transitions. [2023-11-19 02:47:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:13,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:13,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:47:13,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:47:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 132 states and 430 transitions. [2023-11-19 02:47:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 430 transitions. [2023-11-19 02:47:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:14,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:14,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:14,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:47:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 136 states and 502 transitions. [2023-11-19 02:47:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 502 transitions. [2023-11-19 02:47:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:16,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:16,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:47:16,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 02:47:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 139 states and 512 transitions. [2023-11-19 02:47:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 512 transitions. [2023-11-19 02:47:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:18,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:18,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:47:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 143 states and 518 transitions. [2023-11-19 02:47:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 518 transitions. [2023-11-19 02:47:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:20,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:20,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:20,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:20,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 02:47:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 143 states and 515 transitions. [2023-11-19 02:47:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 515 transitions. [2023-11-19 02:47:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:21,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:21,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:21,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:21,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:47:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 143 states and 514 transitions. [2023-11-19 02:47:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 514 transitions. [2023-11-19 02:47:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:22,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:22,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:22,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:47:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 143 states and 513 transitions. [2023-11-19 02:47:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 513 transitions. [2023-11-19 02:47:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:47:22,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:23,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:23,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:47:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 146 states and 526 transitions. [2023-11-19 02:47:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 526 transitions. [2023-11-19 02:47:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:47:24,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:24,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:47:24,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:47:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 149 states and 534 transitions. [2023-11-19 02:47:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 534 transitions. [2023-11-19 02:47:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:47:26,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:26,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:47:26,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:47:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 150 states and 536 transitions. [2023-11-19 02:47:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 536 transitions. [2023-11-19 02:47:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:47:26,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:26,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:27,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:27,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:47:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 152 states and 546 transitions. [2023-11-19 02:47:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 546 transitions. [2023-11-19 02:47:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:47:28,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:28,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:47:28,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.