./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/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_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/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_b21e573a-12c2-4926-b4c6-d9abc0d5743c/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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:18,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:18,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:15:18,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:18,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:18,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:18,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:18,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:18,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:18,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:18,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:18,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:18,674 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:18,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:18,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:18,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:18,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:18,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:18,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:18,678 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:18,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:18,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:18,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:18,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:18,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:18,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:18,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:18,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:18,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:18,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:18,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:18,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:18,687 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:18,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:18,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:18,688 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_b21e573a-12c2-4926-b4c6-d9abc0d5743c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2023-11-19 03:15:18,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:19,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:19,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:19,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:19,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:19,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-19 03:15:22,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:22,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:22,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-19 03:15:22,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/data/35a363616/669ac6e733ec40c1b28bf2e917b0918e/FLAG228dc24d5 [2023-11-19 03:15:22,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/data/35a363616/669ac6e733ec40c1b28bf2e917b0918e [2023-11-19 03:15:22,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:22,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:22,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:22,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:22,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:22,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:22" (1/1) ... [2023-11-19 03:15:22,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bb8f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:22, skipping insertion in model container [2023-11-19 03:15:22,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:22" (1/1) ... [2023-11-19 03:15:22,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:22,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:22,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:23,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:23,023 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:23,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23 WrapperNode [2023-11-19 03:15:23,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:23,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:23,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:23,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:23,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,094 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 03:15:23,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:23,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:23,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:23,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:23,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:23,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:23,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:23,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:23,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:23,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:23,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:23,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21e573a-12c2-4926-b4c6-d9abc0d5743c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:15:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:15:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:23,289 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:23,291 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:23,507 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:23,540 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:23,553 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:15:23,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:23 BoogieIcfgContainer [2023-11-19 03:15:23,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:23,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:23,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:23,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:23,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:23" (1/1) ... [2023-11-19 03:15:23,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 03:15:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 03:15:23,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:15:23,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:23,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:24,087 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 03:15:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 03:15:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 03:15:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:15:24,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:24,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:24,323 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 03:15:24,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 03:15:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 03:15:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:15:24,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:24,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:24,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:24,658 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 03:15:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 03:15:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 03:15:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:15:24,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:24,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:25,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:25,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:25,158 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 03:15:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-19 03:15:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 03:15:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:25,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:25,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:25,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:25,630 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 03:15:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 03:15:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 03:15:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:15:25,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:25,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:25,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-19 03:15:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-19 03:15:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:15:26,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:26,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:26,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:26,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-19 03:15:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-19 03:15:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:15:26,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:26,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:15:26,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-19 03:15:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-19 03:15:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:15:27,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:27,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:27,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:27,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-19 03:15:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-19 03:15:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:15:27,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:27,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:27,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:27,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-19 03:15:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 03:15:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:28,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:28,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:28,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:28,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:15:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-19 03:15:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-19 03:15:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:30,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:30,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:15:30,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 98 states and 183 transitions. [2023-11-19 03:15:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2023-11-19 03:15:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:32,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:32,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:32,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 98 states and 180 transitions. [2023-11-19 03:15:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 180 transitions. [2023-11-19 03:15:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:33,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:33,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:15:33,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 103 states and 189 transitions. [2023-11-19 03:15:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 189 transitions. [2023-11-19 03:15:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:34,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:34,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:34,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:15:34,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 107 states and 202 transitions. [2023-11-19 03:15:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 202 transitions. [2023-11-19 03:15:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:35,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:35,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:35,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:15:35,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 110 states and 206 transitions. [2023-11-19 03:15:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 206 transitions. [2023-11-19 03:15:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:35,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:35,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:35,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 220 transitions. [2023-11-19 03:15:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 220 transitions. [2023-11-19 03:15:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:37,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:37,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:37,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2023-11-19 03:15:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2023-11-19 03:15:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:38,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:38,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:38,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:38,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 243 transitions. [2023-11-19 03:15:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2023-11-19 03:15:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:38,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:38,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:15:38,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2023-11-19 03:15:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2023-11-19 03:15:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:41,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:41,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:41,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 134 states and 253 transitions. [2023-11-19 03:15:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 253 transitions. [2023-11-19 03:15:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:42,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:42,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:42,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:15:42,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 136 states and 259 transitions. [2023-11-19 03:15:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 259 transitions. [2023-11-19 03:15:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:15:43,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:43,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:43,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:43,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 136 states and 255 transitions. [2023-11-19 03:15:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 255 transitions. [2023-11-19 03:15:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:15:44,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:44,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 254 transitions. [2023-11-19 03:15:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 254 transitions. [2023-11-19 03:15:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:15:45,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:15:45,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 141 states and 263 transitions. [2023-11-19 03:15:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 263 transitions. [2023-11-19 03:15:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:15:47,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:47,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:47,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:47,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 262 transitions. [2023-11-19 03:15:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 262 transitions. [2023-11-19 03:15:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:15:47,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:47,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:47,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 149 states and 291 transitions. [2023-11-19 03:15:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 291 transitions. [2023-11-19 03:15:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:15:49,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:49,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:49,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:49,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 151 states and 293 transitions. [2023-11-19 03:15:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 293 transitions. [2023-11-19 03:15:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:15:49,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:49,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:49,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 155 states and 305 transitions. [2023-11-19 03:15:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 305 transitions. [2023-11-19 03:15:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:15:50,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 161 states and 315 transitions. [2023-11-19 03:15:51,275 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 315 transitions. [2023-11-19 03:15:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:15:51,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 161 states and 313 transitions. [2023-11-19 03:15:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 313 transitions. [2023-11-19 03:15:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:15:52,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:52,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:52,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 312 transitions. [2023-11-19 03:15:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 312 transitions. [2023-11-19 03:15:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:15:53,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:53,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 163 states and 317 transitions. [2023-11-19 03:15:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 317 transitions. [2023-11-19 03:15:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:15:53,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:15:53,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 331 transitions. [2023-11-19 03:15:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2023-11-19 03:15:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:15:56,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:56,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 178 states and 351 transitions. [2023-11-19 03:15:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 351 transitions. [2023-11-19 03:15:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:15:58,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:15:58,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 178 states and 349 transitions. [2023-11-19 03:15:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 349 transitions. [2023-11-19 03:15:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:15:59,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 178 states and 348 transitions. [2023-11-19 03:16:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 348 transitions. [2023-11-19 03:16:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:00,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:00,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:00,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 184 states and 372 transitions. [2023-11-19 03:16:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 372 transitions. [2023-11-19 03:16:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:01,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:01,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:01,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:01,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:02,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 190 states and 391 transitions. [2023-11-19 03:16:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 391 transitions. [2023-11-19 03:16:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:02,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:02,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:02,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:16:02,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 192 states and 393 transitions. [2023-11-19 03:16:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 393 transitions. [2023-11-19 03:16:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:16:03,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:16:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 204 states and 417 transitions. [2023-11-19 03:16:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 417 transitions. [2023-11-19 03:16:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:16:08,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:08,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:16:08,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 204 states and 406 transitions. [2023-11-19 03:16:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 406 transitions. [2023-11-19 03:16:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:16:10,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.