./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_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_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/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_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/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_dff0a81b-6eea-4935-bf30-7c6263e4b061/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 e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:40,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:40,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:01:40,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:40,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:40,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:40,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:40,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:40,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:40,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:40,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:40,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:40,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:40,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:40,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:40,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:40,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:40,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:40,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:40,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:40,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:40,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:40,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:40,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:40,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:40,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:40,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:40,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:40,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:40,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:40,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:40,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:40,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:40,641 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_dff0a81b-6eea-4935-bf30-7c6263e4b061/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2023-11-19 03:01:40,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:41,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:41,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:41,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:41,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:41,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2023-11-19 03:01:44,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:44,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:44,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2023-11-19 03:01:44,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/data/0a5949bc0/53accabd409643008f568acd3577ec94/FLAGd26f86fb9 [2023-11-19 03:01:44,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/data/0a5949bc0/53accabd409643008f568acd3577ec94 [2023-11-19 03:01:44,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:44,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:44,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:44,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:44,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:44,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c9973a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44, skipping insertion in model container [2023-11-19 03:01:44,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:44,773 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_dff0a81b-6eea-4935-bf30-7c6263e4b061/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2023-11-19 03:01:44,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:44,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:44,820 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_dff0a81b-6eea-4935-bf30-7c6263e4b061/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2023-11-19 03:01:44,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:44,845 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:44,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44 WrapperNode [2023-11-19 03:01:44,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:44,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:44,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:44,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:44,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,886 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 03:01:44,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:44,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:44,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:44,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:44,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:44,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:44,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:44,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:44,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:44" (1/1) ... [2023-11-19 03:01:44,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:44,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:44,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff0a81b-6eea-4935-bf30-7c6263e4b061/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:01:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:01:45,079 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:45,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:45,321 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:45,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:45,356 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:01:45,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:45 BoogieIcfgContainer [2023-11-19 03:01:45,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:45,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:45,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:45,374 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:45,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:45" (1/1) ... [2023-11-19 03:01:45,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:01:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:01:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:45,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:45,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:45,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:45,703 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 03:01:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:01:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:01:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:45,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:45,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:01:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:01:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:45,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:45,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:46,025 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 03:01:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:01:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:01:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:01:46,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:46,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:01:46,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 03:01:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 03:01:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:01:47,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:47,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:47,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-19 03:01:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:01:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:01:48,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:48,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:01:48,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-19 03:01:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-19 03:01:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:01:49,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:49,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:01:49,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-19 03:01:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-19 03:01:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:01:49,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:49,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:49,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:49,973 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 03:01:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 03:01:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 03:01:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:50,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:50,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:50,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:50,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2023-11-19 03:01:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2023-11-19 03:01:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:51,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:01:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-11-19 03:01:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-11-19 03:01:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:53,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:01:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2023-11-19 03:01:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2023-11-19 03:01:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:54,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 130 transitions. [2023-11-19 03:01:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 130 transitions. [2023-11-19 03:01:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:54,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:01:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-11-19 03:01:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-11-19 03:01:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:55,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2023-11-19 03:01:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2023-11-19 03:01:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:59,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-11-19 03:02:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-11-19 03:02:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:00,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:00,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 80 states and 218 transitions. [2023-11-19 03:02:03,063 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 218 transitions. [2023-11-19 03:02:03,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:03,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:02:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 84 states and 235 transitions. [2023-11-19 03:02:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 235 transitions. [2023-11-19 03:02:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:04,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:02:04,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:02:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 87 states and 238 transitions. [2023-11-19 03:02:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 238 transitions. [2023-11-19 03:02:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:06,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:06,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:06,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:02:06,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 87 states and 237 transitions. [2023-11-19 03:02:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 237 transitions. [2023-11-19 03:02:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:06,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:06,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:02:06,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:02:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 90 states and 240 transitions. [2023-11-19 03:02:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 240 transitions. [2023-11-19 03:02:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:07,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:02:07,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2023-11-19 03:02:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2023-11-19 03:02:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:08,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:08,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:08,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:02:08,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-11-19 03:02:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-11-19 03:02:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:02:09,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:02:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-11-19 03:02:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-11-19 03:02:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:02:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:14,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:14,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:02:14,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 107 states and 295 transitions. [2023-11-19 03:02:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 295 transitions. [2023-11-19 03:02:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:02:16,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:16,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:16,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:02:16,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:02:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 108 states and 297 transitions. [2023-11-19 03:02:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2023-11-19 03:02:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:02:16,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:16,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:16,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:02:16,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:02:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-11-19 03:02:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-11-19 03:02:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:17,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:17,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:02:17,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 115 states and 317 transitions. [2023-11-19 03:02:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 317 transitions. [2023-11-19 03:02:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:20,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:02:20,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 123 states and 374 transitions. [2023-11-19 03:02:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 374 transitions. [2023-11-19 03:02:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:24,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:02:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 125 states and 375 transitions. [2023-11-19 03:02:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 375 transitions. [2023-11-19 03:02:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:26,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:26,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:26,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:02:26,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 128 states and 378 transitions. [2023-11-19 03:02:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 378 transitions. [2023-11-19 03:02:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:28,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:28,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:28,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:02:28,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 128 states and 377 transitions. [2023-11-19 03:02:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 377 transitions. [2023-11-19 03:02:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:29,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:29,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:29,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:02:29,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 131 states and 380 transitions. [2023-11-19 03:02:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 380 transitions. [2023-11-19 03:02:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:31,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:31,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:02:31,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 131 states and 379 transitions. [2023-11-19 03:02:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 379 transitions. [2023-11-19 03:02:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:31,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:32,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:02:32,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 134 states and 382 transitions. [2023-11-19 03:02:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 382 transitions. [2023-11-19 03:02:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:35,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:35,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:02:35,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 134 states and 381 transitions. [2023-11-19 03:02:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 381 transitions. [2023-11-19 03:02:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:02:35,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:35,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:02:35,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.