./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9 --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 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:32:17,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:32:17,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:32:17,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:32:17,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:32:18,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:32:18,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:32:18,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:32:18,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:32:18,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:32:18,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:32:18,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:32:18,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:32:18,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:32:18,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:32:18,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:32:18,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:32:18,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:32:18,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:32:18,014 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:32:18,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:32:18,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:32:18,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:32:18,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:32:18,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:32:18,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:32:18,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:32:18,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:32:18,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:18,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:32:18,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:32:18,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:32:18,022 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:32:18,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:32:18,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:32:18,023 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_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 [2023-12-02 23:32:18,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:32:18,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:32:18,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:32:18,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:32:18,264 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:32:18,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2023-12-02 23:32:21,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:32:21,293 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:32:21,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2023-12-02 23:32:21,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/data/1bcd9ff99/63913be0ff6d46c3b798f4c0095cf2be/FLAG2594df97c [2023-12-02 23:32:21,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/data/1bcd9ff99/63913be0ff6d46c3b798f4c0095cf2be [2023-12-02 23:32:21,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:32:21,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:32:21,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:21,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:32:21,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:32:21,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a718c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21, skipping insertion in model container [2023-12-02 23:32:21,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:32:21,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:21,554 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:32:21,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:32:21,592 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:32:21,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21 WrapperNode [2023-12-02 23:32:21,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:32:21,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:21,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:32:21,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:32:21,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,644 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-12-02 23:32:21,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:32:21,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:32:21,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:32:21,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:32:21,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:32:21,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:32:21,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:32:21,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:32:21,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:32:21" (1/1) ... [2023-12-02 23:32:21,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:32:21,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:32:21,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:32:21,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c596a1ad-58be-448f-98af-4c549db16068/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:32:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:32:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:32:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:32:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:32:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:32:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:32:21,815 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:32:21,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:22,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:32:22,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:32:22,213 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:32:22,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:32:22 BoogieIcfgContainer [2023-12-02 23:32:22,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:32:22,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:32:22,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:32:22,227 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:32:22,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:32:22" (1/1) ... [2023-12-02 23:32:22,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:32:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-12-02 23:32:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-12-02 23:32:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:32:22,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:32:22,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-12-02 23:32:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-12-02 23:32:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:32:22,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:22,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-12-02 23:32:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-12-02 23:32:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:32:22,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-12-02 23:32:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-12-02 23:32:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:32:22,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:22,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-12-02 23:32:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-12-02 23:32:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:32:22,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:22,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:32:22,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-12-02 23:32:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-12-02 23:32:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:32:23,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:23,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:32:23,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-12-02 23:32:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-12-02 23:32:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:32:24,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:32:24,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2023-12-02 23:32:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-12-02 23:32:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:32:25,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:25,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:32:25,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2023-12-02 23:32:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2023-12-02 23:32:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:32:25,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:25,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:25,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2023-12-02 23:32:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2023-12-02 23:32:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:32:26,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:26,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:26,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:26,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 146 states and 197 transitions. [2023-12-02 23:32:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2023-12-02 23:32:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:32:29,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:29,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:32:29,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2023-12-02 23:32:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2023-12-02 23:32:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:32:32,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:32,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:32:32,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-02 23:32:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-02 23:32:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:32:34,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:34,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:32:34,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 247 transitions. [2023-12-02 23:32:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 247 transitions. [2023-12-02 23:32:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:32:35,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:35,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:32:35,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 174 states and 249 transitions. [2023-12-02 23:32:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 23:32:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:32:36,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:36,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:36,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:32:36,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 185 states and 270 transitions. [2023-12-02 23:32:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2023-12-02 23:32:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:32:41,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:41,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:32:41,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:48,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 292 transitions. [2023-12-02 23:32:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-12-02 23:32:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:32:48,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:48,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:32:48,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 291 transitions. [2023-12-02 23:32:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-12-02 23:32:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:32:48,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:48,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:48,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:32:48,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 315 transitions. [2023-12-02 23:32:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2023-12-02 23:32:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:32:54,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:54,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:54,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 319 transitions. [2023-12-02 23:32:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2023-12-02 23:32:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:32:56,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:32:56,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 213 states and 323 transitions. [2023-12-02 23:32:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2023-12-02 23:32:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:32:56,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:56,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:56,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:32:56,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 212 states and 322 transitions. [2023-12-02 23:32:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-12-02 23:32:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:32:56,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:56,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:32:56,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:33:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 222 states and 339 transitions. [2023-12-02 23:33:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 339 transitions. [2023-12-02 23:33:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:33:19,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:19,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:33:19,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 235 states and 364 transitions. [2023-12-02 23:33:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 364 transitions. [2023-12-02 23:33:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:33:28,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:28,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:33:28,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 246 states and 387 transitions. [2023-12-02 23:33:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2023-12-02 23:33:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:33:34,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:34,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:33:34,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 249 states and 391 transitions. [2023-12-02 23:33:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2023-12-02 23:33:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:33:34,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:34,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:34,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:33:34,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 400 transitions. [2023-12-02 23:33:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-12-02 23:33:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:33:36,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:36,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:36,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:33:36,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:33:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 406 transitions. [2023-12-02 23:33:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2023-12-02 23:33:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:33:48,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:48,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:33:48,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 263 states and 415 transitions. [2023-12-02 23:33:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2023-12-02 23:33:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:33:51,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:51,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:33:51,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 283 states and 450 transitions. [2023-12-02 23:34:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions. [2023-12-02 23:34:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:34:15,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:15,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:34:15,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 287 states and 457 transitions. [2023-12-02 23:34:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 457 transitions. [2023-12-02 23:34:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:34:15,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:15,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:34:15,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 304 states and 483 transitions. [2023-12-02 23:34:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 483 transitions. [2023-12-02 23:34:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:34,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:34,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:34:34,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 310 states and 498 transitions. [2023-12-02 23:34:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 498 transitions. [2023-12-02 23:34:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:38,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:38,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:38,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:34:38,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 318 states and 514 transitions. [2023-12-02 23:34:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 514 transitions. [2023-12-02 23:34:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:54,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:54,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:34:54,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 322 states and 520 transitions. [2023-12-02 23:34:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 520 transitions. [2023-12-02 23:34:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:34:54,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:54,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:34:54,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 326 states and 526 transitions. [2023-12-02 23:36:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 526 transitions. [2023-12-02 23:36:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:19,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:19,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:19,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 335 states and 549 transitions. [2023-12-02 23:36:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2023-12-02 23:36:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:37,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:37,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:37,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:36:37,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 337 states and 552 transitions. [2023-12-02 23:36:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 552 transitions. [2023-12-02 23:36:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:41,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:41,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:41,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:41,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 343 states and 563 transitions. [2023-12-02 23:37:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 563 transitions. [2023-12-02 23:37:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:37:58,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:58,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:37:58,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 364 states and 623 transitions. [2023-12-02 23:38:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 623 transitions. [2023-12-02 23:38:14,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:38:14,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:14,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:14,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 368 states and 628 transitions. [2023-12-02 23:38:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 628 transitions. [2023-12-02 23:38:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:38:21,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:21,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:21,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 375 states and 652 transitions. [2023-12-02 23:39:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 652 transitions. [2023-12-02 23:39:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:39:25,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:25,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:39:25,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 397 states and 720 transitions. [2023-12-02 23:39:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 720 transitions. [2023-12-02 23:39:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:39:47,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:47,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:47,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:39:47,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 406 states and 750 transitions. [2023-12-02 23:40:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 750 transitions. [2023-12-02 23:40:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:40:09,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:09,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:09,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 407 states and 752 transitions. [2023-12-02 23:40:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 752 transitions. [2023-12-02 23:40:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:12,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:12,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:12,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:12,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 414 states and 763 transitions. [2023-12-02 23:40:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 763 transitions. [2023-12-02 23:40:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:30,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:30,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:40:30,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 416 states and 766 transitions. [2023-12-02 23:40:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 766 transitions. [2023-12-02 23:40:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:31,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:31,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:31,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:40:31,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 424 states and 780 transitions. [2023-12-02 23:41:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 780 transitions. [2023-12-02 23:41:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:41:44,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:44,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:44,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:41:44,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 435 states and 812 transitions. [2023-12-02 23:42:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 812 transitions. [2023-12-02 23:42:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:42:26,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:26,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:42:26,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 446 states and 857 transitions. [2023-12-02 23:43:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 857 transitions. [2023-12-02 23:43:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:43:17,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:17,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:17,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:17,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 455 states and 868 transitions. [2023-12-02 23:43:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 868 transitions. [2023-12-02 23:43:37,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:43:37,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:37,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:43:37,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 476 states and 931 transitions. [2023-12-02 23:45:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 931 transitions. [2023-12-02 23:45:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:45:12,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:12,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:45:12,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 486 states and 964 transitions. [2023-12-02 23:46:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 964 transitions. [2023-12-02 23:46:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:46:53,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:53,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:46:53,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.