./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/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_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:13,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:13,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:01:13,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:13,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:13,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:13,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:13,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:13,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:13,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:13,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:13,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:13,886 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:13,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:13,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:13,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:13,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:13,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:13,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:13,890 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:01:13,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:13,891 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:13,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:13,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:13,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:13,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:13,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:13,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:13,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:13,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:13,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:13,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:13,897 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:13,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:13,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:13,898 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_0cb09924-8f34-4a54-a149-457dd6885d9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 [2023-11-19 03:01:14,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:14,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:14,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:14,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:14,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:14,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-19 03:01:17,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:17,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:17,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-19 03:01:17,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/data/f58e3d3e1/af94c0d84fac48ecb5e5b90941e01edd/FLAGbb15d1d6b [2023-11-19 03:01:17,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/data/f58e3d3e1/af94c0d84fac48ecb5e5b90941e01edd [2023-11-19 03:01:17,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:17,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:17,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:17,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:17,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:17,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:17" (1/1) ... [2023-11-19 03:01:17,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab2cbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17, skipping insertion in model container [2023-11-19 03:01:17,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:17" (1/1) ... [2023-11-19 03:01:17,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:18,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:18,029 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:18,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:18,069 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:18,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18 WrapperNode [2023-11-19 03:01:18,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:18,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:18,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:18,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:18,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,120 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-19 03:01:18,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:18,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:18,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:18,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:18,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:18,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:18,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:18,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:18,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:18,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:18,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb09924-8f34-4a54-a149-457dd6885d9c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:01:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:01:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:01:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:01:18,340 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:18,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:18,917 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:18,953 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:18,953 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:01:18,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:18 BoogieIcfgContainer [2023-11-19 03:01:18,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:18,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:18,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:18,971 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:18,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-19 03:01:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-19 03:01:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:19,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:01:19,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-19 03:01:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-19 03:01:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:19,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:01:19,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:01:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-19 03:01:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-19 03:01:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:19,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:19,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-19 03:01:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-19 03:01:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:01:19,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:20,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:20,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:01:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-19 03:01:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-19 03:01:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:01:20,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:20,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:20,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-19 03:01:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-19 03:01:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:01:21,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:21,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-19 03:01:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-19 03:01:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:22,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:22,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-19 03:01:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-19 03:01:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:01:22,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:22,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:22,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-19 03:01:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-19 03:01:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:24,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:24,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:24,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-19 03:01:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-19 03:01:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:24,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:24,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:24,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 195 transitions. [2023-11-19 03:01:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-19 03:01:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:25,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:25,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 181 states and 210 transitions. [2023-11-19 03:01:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2023-11-19 03:01:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:28,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:28,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:28,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 185 states and 219 transitions. [2023-11-19 03:01:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 219 transitions. [2023-11-19 03:01:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:01:29,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:29,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:29,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:29,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 194 states and 237 transitions. [2023-11-19 03:01:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2023-11-19 03:01:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:01:32,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:32,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:32,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 197 states and 242 transitions. [2023-11-19 03:01:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2023-11-19 03:01:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:01:33,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:33,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 202 states and 251 transitions. [2023-11-19 03:01:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 251 transitions. [2023-11-19 03:01:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:01:34,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:34,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 203 states and 252 transitions. [2023-11-19 03:01:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2023-11-19 03:01:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:01:35,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 253 transitions. [2023-11-19 03:01:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2023-11-19 03:01:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:01:35,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 205 states and 253 transitions. [2023-11-19 03:01:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 253 transitions. [2023-11-19 03:01:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:01:36,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 217 states and 274 transitions. [2023-11-19 03:01:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 274 transitions. [2023-11-19 03:01:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:01:41,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:41,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:01:41,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 230 states and 297 transitions. [2023-11-19 03:01:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 297 transitions. [2023-11-19 03:01:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:01:47,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:47,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:47,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 243 states and 323 transitions. [2023-11-19 03:01:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 323 transitions. [2023-11-19 03:01:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:01:54,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 257 states and 351 transitions. [2023-11-19 03:02:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 351 transitions. [2023-11-19 03:02:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:02:01,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:01,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:01,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 272 states and 381 transitions. [2023-11-19 03:02:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 381 transitions. [2023-11-19 03:02:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:02:09,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 282 states and 401 transitions. [2023-11-19 03:02:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 401 transitions. [2023-11-19 03:02:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:02:12,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:12,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:12,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:12,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 283 states and 402 transitions. [2023-11-19 03:02:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2023-11-19 03:02:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:02:12,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:12,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:12,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:12,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 284 states and 403 transitions. [2023-11-19 03:02:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 403 transitions. [2023-11-19 03:02:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:02:12,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:12,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:12,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 287 states and 407 transitions. [2023-11-19 03:02:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2023-11-19 03:02:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:02:13,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:13,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:13,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.