./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2 --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 6977cec8a403ff3f16926270da45a38f7b1f51a39c72ba3797fb74b9637fd796 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:51,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:51,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:51,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:51,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:51,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:51,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:51,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:51,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:51,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:51,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:51,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:51,347 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:51,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:51,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:51,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:51,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:51,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:51,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:51,352 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:51,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:51,353 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:51,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:51,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:51,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:51,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:51,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:51,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:51,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:51,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:51,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:51,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:51,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:51,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:51,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:51,374 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_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6977cec8a403ff3f16926270da45a38f7b1f51a39c72ba3797fb74b9637fd796 [2023-11-21 18:48:51,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:51,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:51,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:51,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:51,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:51,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c [2023-11-21 18:48:55,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:55,351 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:55,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c [2023-11-21 18:48:55,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/data/2a0ecab72/072b17e575034940a18aa457eacfde9f/FLAG9e3d55d4c [2023-11-21 18:48:55,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/data/2a0ecab72/072b17e575034940a18aa457eacfde9f [2023-11-21 18:48:55,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:55,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:55,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:55,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:55,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6281977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55, skipping insertion in model container [2023-11-21 18:48:55,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:55,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:55,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:55,659 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:55,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55 WrapperNode [2023-11-21 18:48:55,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:55,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:55,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,702 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-21 18:48:55,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:55,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:55,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:55,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:55,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:55,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:55,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:55,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:55,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:55,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a32cbf-4652-4673-9a0f-6baecdb93491/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:55,885 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:55,887 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:56,227 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:56,272 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:56,276 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:48:56,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:56 BoogieIcfgContainer [2023-11-21 18:48:56,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:56,279 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:56,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:56,288 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:56,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-21 18:48:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-21 18:48:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:48:56,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-21 18:48:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-21 18:48:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:56,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:48:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-21 18:48:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-21 18:48:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:56,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:48:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:48:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:48:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:48:56,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:56,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 95 transitions. [2023-11-21 18:48:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-21 18:48:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:48:57,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 105 transitions. [2023-11-21 18:48:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:48:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:48:57,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 113 transitions. [2023-11-21 18:48:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-21 18:48:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:48:57,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 114 transitions. [2023-11-21 18:48:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-21 18:48:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:48:58,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 125 transitions. [2023-11-21 18:48:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-21 18:48:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:58,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 138 transitions. [2023-11-21 18:48:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-21 18:48:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:59,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:59,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:48:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 149 transitions. [2023-11-21 18:48:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2023-11-21 18:48:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:48:59,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:59,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 158 transitions. [2023-11-21 18:49:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-21 18:49:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:00,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:00,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:49:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 171 transitions. [2023-11-21 18:49:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-21 18:49:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:01,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:49:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 185 transitions. [2023-11-21 18:49:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-21 18:49:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:01,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:49:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 199 transitions. [2023-11-21 18:49:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-21 18:49:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:05,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:05,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:05,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:05,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:49:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 212 transitions. [2023-11-21 18:49:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-21 18:49:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:49:07,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:07,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:49:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 222 transitions. [2023-11-21 18:49:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-21 18:49:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:49:07,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:07,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:49:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 238 transitions. [2023-11-21 18:49:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2023-11-21 18:49:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:49:09,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:09,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:49:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 239 transitions. [2023-11-21 18:49:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-21 18:49:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:49:09,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:09,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:49:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 251 transitions. [2023-11-21 18:49:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2023-11-21 18:49:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:49:09,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:49:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 173 states and 261 transitions. [2023-11-21 18:49:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-21 18:49:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:49:10,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:10,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:49:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 182 states and 273 transitions. [2023-11-21 18:49:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-21 18:49:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:49:11,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:49:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 191 states and 285 transitions. [2023-11-21 18:49:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2023-11-21 18:49:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:49:13,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 202 states and 312 transitions. [2023-11-21 18:49:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-21 18:49:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:49:15,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:15,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:15,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 203 states and 313 transitions. [2023-11-21 18:49:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 313 transitions. [2023-11-21 18:49:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:49:15,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:15,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:15,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 207 states and 322 transitions. [2023-11-21 18:49:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2023-11-21 18:49:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:16,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:16,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:16,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:16,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 207 states and 321 transitions. [2023-11-21 18:49:19,217 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2023-11-21 18:49:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:19,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:19,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 213 states and 335 transitions. [2023-11-21 18:49:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 335 transitions. [2023-11-21 18:49:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:20,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:20,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:20,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 215 states and 340 transitions. [2023-11-21 18:49:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2023-11-21 18:49:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:20,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:20,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:20,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 219 states and 348 transitions. [2023-11-21 18:49:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 348 transitions. [2023-11-21 18:49:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:21,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:21,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:49:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 221 states and 351 transitions. [2023-11-21 18:49:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2023-11-21 18:49:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:49:23,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:23,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:23,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:23,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:49:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 227 states and 364 transitions. [2023-11-21 18:49:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 364 transitions. [2023-11-21 18:49:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:49:28,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:28,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:28,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:49:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 232 states and 377 transitions. [2023-11-21 18:49:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 377 transitions. [2023-11-21 18:49:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:49:31,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 402 transitions. [2023-11-21 18:49:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 402 transitions. [2023-11-21 18:49:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:49:33,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:34,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:34,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 257 states and 421 transitions. [2023-11-21 18:49:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 421 transitions. [2023-11-21 18:49:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:49:37,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 270 states and 442 transitions. [2023-11-21 18:49:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 442 transitions. [2023-11-21 18:49:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:49:39,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:49:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 278 states and 451 transitions. [2023-11-21 18:49:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2023-11-21 18:49:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:49:40,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 292 states and 474 transitions. [2023-11-21 18:49:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 474 transitions. [2023-11-21 18:49:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:49:44,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:44,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:49:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 303 states and 504 transitions. [2023-11-21 18:49:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 504 transitions. [2023-11-21 18:49:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:49:46,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-21 18:49:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 312 states and 515 transitions. [2023-11-21 18:49:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 515 transitions. [2023-11-21 18:49:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:49:47,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,800 INFO L285 TraceCheckSpWp]: Computing forward predicates...