./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC --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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:14,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:14,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:14,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:14,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:14,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:14,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:14,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:14,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:14,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:14,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:14,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:14,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:14,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:14,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:14,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:14,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:14,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:14,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:14,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:14,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:14,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:14,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:14,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:14,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:14,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:14,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:14,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:14,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:14,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:14,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:14,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:14,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:14,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:14,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:14,924 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_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2023-11-23 19:56:15,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:15,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:15,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:15,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:15,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:15,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2023-11-23 19:56:18,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:18,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:18,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2023-11-23 19:56:18,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/data/d55c44f45/7b986aba80e14ecdab80d4f2935e8b24/FLAG1b897f558 [2023-11-23 19:56:18,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/data/d55c44f45/7b986aba80e14ecdab80d4f2935e8b24 [2023-11-23 19:56:18,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:18,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:18,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:18,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:18,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:18,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af053b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18, skipping insertion in model container [2023-11-23 19:56:18,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:18,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:18,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:18,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:18,931 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:18,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18 WrapperNode [2023-11-23 19:56:18,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:18,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:18,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:18,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:18,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,975 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-23 19:56:18,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:18,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:18,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:18,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:18,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:19,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:19,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:19,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:19,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:19,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:19,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:19,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:19,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:19,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:19,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968bbbee-92c4-4891-9ff6-df5b6ebddd80/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:56:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:56:19,200 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:19,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:19,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:19,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:19,577 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 19:56:19,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:19 BoogieIcfgContainer [2023-11-23 19:56:19,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:19,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:19,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:19,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:19,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:19" (1/1) ... [2023-11-23 19:56:19,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-23 19:56:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-23 19:56:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:56:19,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:19,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:19,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 19:56:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 19:56:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:20,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-23 19:56:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-23 19:56:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:56:20,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:56:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-23 19:56:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-23 19:56:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 19:56:20,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-23 19:56:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 19:56:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:20,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:20,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:20,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-23 19:56:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-23 19:56:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:56:21,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-23 19:56:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-23 19:56:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:56:21,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-23 19:56:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-23 19:56:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:56:21,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:21,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:21,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-23 19:56:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-23 19:56:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:22,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-23 19:56:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-23 19:56:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:22,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:22,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:22,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-23 19:56:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 19:56:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:56:23,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:23,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:23,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:23,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 19:56:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-23 19:56:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-23 19:56:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:56:24,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:24,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:24,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:24,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-23 19:56:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-23 19:56:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:56:25,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 19:56:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-23 19:56:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-23 19:56:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 19:56:27,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:27,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:27,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:27,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-23 19:56:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-23 19:56:28,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:56:28,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:28,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:28,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-23 19:56:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-23 19:56:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:56:28,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:28,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:28,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-23 19:56:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-23 19:56:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:56:29,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:29,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:29,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-23 19:56:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-23 19:56:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:56:31,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:31,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:31,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-23 19:56:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-23 19:56:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:56:31,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:31,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:31,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-23 19:56:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-23 19:56:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:32,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:32,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:32,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-23 19:56:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-23 19:56:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:33,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:33,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:33,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 19:56:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-23 19:56:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-23 19:56:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:35,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:35,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:35,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 19:56:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-23 19:56:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-23 19:56:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:56:35,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:35,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:35,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-23 19:56:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-23 19:56:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:36,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:36,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:36,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-23 19:56:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-23 19:56:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:56:37,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:37,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:37,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-23 19:56:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-23 19:56:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:56:39,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:39,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:39,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 19:56:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-23 19:56:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-23 19:56:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:56:40,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:40,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:40,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:40,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 19:56:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-23 19:56:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-23 19:56:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:56:42,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:42,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:42,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:42,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 19:56:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-23 19:56:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-23 19:56:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 19:56:43,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:43,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:56:43,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-23 19:56:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-23 19:56:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-23 19:56:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:56:44,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:44,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:44,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:44,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-23 19:56:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-23 19:56:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 19:56:45,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:45,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:56:45,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-23 19:56:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-23 19:56:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:56:46,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:46,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:46,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:56:46,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-23 19:56:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-23 19:56:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 19:56:48,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:48,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:48,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 19:56:48,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-23 19:56:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-23 19:56:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:56:51,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:51,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:51,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-23 19:56:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-23 19:56:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:56:52,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:52,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:52,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-23 19:56:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-23 19:56:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:56:53,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:53,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:53,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 19:56:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-23 19:56:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-23 19:56:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:56:54,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:54,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:54,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 19:56:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-23 19:56:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-23 19:56:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:56:58,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:58,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:56:58,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 19:56:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-23 19:56:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-23 19:56:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:56:59,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:59,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:59,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 19:57:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 322 states and 564 transitions. [2023-11-23 19:57:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 564 transitions. [2023-11-23 19:57:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:57:00,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:00,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:00,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 19:57:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 326 states and 577 transitions. [2023-11-23 19:57:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 577 transitions. [2023-11-23 19:57:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:57:02,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:02,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:02,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 19:57:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 576 transitions. [2023-11-23 19:57:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 576 transitions. [2023-11-23 19:57:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:02,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:02,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:02,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:57:02,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 19:57:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 327 states and 583 transitions. [2023-11-23 19:57:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 583 transitions. [2023-11-23 19:57:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:05,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:05,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:05,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 19:57:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 333 states and 598 transitions. [2023-11-23 19:57:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 598 transitions. [2023-11-23 19:57:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:06,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:06,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:06,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 19:57:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 340 states and 611 transitions. [2023-11-23 19:57:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2023-11-23 19:57:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:07,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:07,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 19:57:07,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.