./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/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_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/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_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/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 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:32,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:32,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:33:32,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:32,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:32,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:32,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:32,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:32,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:32,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:32,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:32,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:32,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:32,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:32,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:32,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:32,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:32,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:32,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:32,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:32,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:32,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:32,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:32,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:32,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:32,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:32,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:32,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:32,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:32,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:32,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:32,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:32,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:32,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:32,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:32,778 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_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 [2023-11-21 18:33:33,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:33,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:33,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:33,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:33,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:33,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2023-11-21 18:33:36,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:37,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:37,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2023-11-21 18:33:37,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/data/b571516ff/8da8604ed5704dcdbc2d96b2496aef65/FLAG3c27d33e6 [2023-11-21 18:33:37,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/data/b571516ff/8da8604ed5704dcdbc2d96b2496aef65 [2023-11-21 18:33:37,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:37,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:37,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:37,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:37,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:37,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f5821a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37, skipping insertion in model container [2023-11-21 18:33:37,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:37,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:37,592 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:37,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:37,632 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:37,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37 WrapperNode [2023-11-21 18:33:37,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:37,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:37,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:37,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:37,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,680 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-21 18:33:37,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:37,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:37,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:37,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:37,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:37,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:37,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:37,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:37,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:37,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:37,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b1c8a3-6ebe-4ed3-8b87-a2a2136dd7ed/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:33:37,907 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:37,909 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:38,197 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:38,240 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:38,240 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:38,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:38 BoogieIcfgContainer [2023-11-21 18:33:38,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:38,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:38,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:38,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:38,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:38" (1/1) ... [2023-11-21 18:33:38,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-21 18:33:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-21 18:33:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:33:38,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-21 18:33:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-21 18:33:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:33:38,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-21 18:33:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-21 18:33:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:33:38,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-21 18:33:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-21 18:33:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:38,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-21 18:33:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-21 18:33:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:39,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:39,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:39,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-21 18:33:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-21 18:33:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:39,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:39,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:39,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2023-11-21 18:33:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-11-21 18:33:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:33:39,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:39,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:39,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2023-11-21 18:33:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2023-11-21 18:33:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:33:40,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:40,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:40,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:40,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2023-11-21 18:33:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2023-11-21 18:33:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:33:41,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:41,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:41,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:41,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2023-11-21 18:33:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2023-11-21 18:33:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:33:41,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:41,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:41,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-21 18:33:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-21 18:33:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:33:41,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:41,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:41,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-21 18:33:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-21 18:33:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:33:42,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:42,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:42,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2023-11-21 18:33:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-11-21 18:33:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:33:43,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:43,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:43,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 111 states and 137 transitions. [2023-11-21 18:33:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2023-11-21 18:33:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:33:44,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:44,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:44,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:44,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 115 states and 145 transitions. [2023-11-21 18:33:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 145 transitions. [2023-11-21 18:33:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:33:44,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:44,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:44,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 131 states and 169 transitions. [2023-11-21 18:33:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 169 transitions. [2023-11-21 18:33:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:33:46,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:46,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:46,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 175 transitions. [2023-11-21 18:33:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 175 transitions. [2023-11-21 18:33:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:33:46,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:46,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:46,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:46,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 140 states and 188 transitions. [2023-11-21 18:33:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2023-11-21 18:33:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:33:47,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:47,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:47,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 203 transitions. [2023-11-21 18:33:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 203 transitions. [2023-11-21 18:33:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:33:48,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:48,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:48,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:48,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 215 transitions. [2023-11-21 18:33:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2023-11-21 18:33:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:33:49,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:49,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:49,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:49,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 152 states and 214 transitions. [2023-11-21 18:33:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2023-11-21 18:33:49,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:33:49,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:49,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:49,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:49,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 159 states and 226 transitions. [2023-11-21 18:33:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-21 18:33:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:33:50,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:50,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:50,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 238 transitions. [2023-11-21 18:33:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2023-11-21 18:33:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:33:51,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:51,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:51,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 174 states and 253 transitions. [2023-11-21 18:33:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2023-11-21 18:33:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:33:52,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:52,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:52,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:52,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 252 transitions. [2023-11-21 18:33:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2023-11-21 18:33:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:33:53,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:53,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:53,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:53,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 263 transitions. [2023-11-21 18:33:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 263 transitions. [2023-11-21 18:33:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:33:55,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:55,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:55,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 202 states and 309 transitions. [2023-11-21 18:33:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 309 transitions. [2023-11-21 18:33:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:33:57,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:57,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:57,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:57,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:57,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 223 states and 355 transitions. [2023-11-21 18:33:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 355 transitions. [2023-11-21 18:33:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:59,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:59,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:59,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:59,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 230 states and 374 transitions. [2023-11-21 18:34:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 374 transitions. [2023-11-21 18:34:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:34:01,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 233 states and 378 transitions. [2023-11-21 18:34:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 378 transitions. [2023-11-21 18:34:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:01,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 240 states and 388 transitions. [2023-11-21 18:34:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 388 transitions. [2023-11-21 18:34:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:34:02,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:03,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:03,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 391 transitions. [2023-11-21 18:34:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 391 transitions. [2023-11-21 18:34:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:04,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:04,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:04,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 251 states and 404 transitions. [2023-11-21 18:34:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 404 transitions. [2023-11-21 18:34:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:05,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:05,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:05,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 254 states and 407 transitions. [2023-11-21 18:34:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 407 transitions. [2023-11-21 18:34:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:34:06,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:06,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:06,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:06,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 257 states and 410 transitions. [2023-11-21 18:34:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 410 transitions. [2023-11-21 18:34:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:34:07,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:07,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:07,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 259 states and 414 transitions. [2023-11-21 18:34:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2023-11-21 18:34:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:34:08,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:08,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:08,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 262 states and 421 transitions. [2023-11-21 18:34:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 421 transitions. [2023-11-21 18:34:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:34:10,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:10,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:10,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 279 states and 444 transitions. [2023-11-21 18:34:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2023-11-21 18:34:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:34:13,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:13,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:13,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 282 states and 446 transitions. [2023-11-21 18:34:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2023-11-21 18:34:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:14,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 302 states and 492 transitions. [2023-11-21 18:34:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 492 transitions. [2023-11-21 18:34:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:34:18,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:18,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:18,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:18,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 305 states and 494 transitions. [2023-11-21 18:34:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 494 transitions. [2023-11-21 18:34:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:34:19,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:34:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 305 states and 493 transitions. [2023-11-21 18:34:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 493 transitions. [2023-11-21 18:34:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:34:19,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 309 states and 506 transitions. [2023-11-21 18:34:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 506 transitions. [2023-11-21 18:34:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:34:20,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:20,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:20,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:34:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 314 states and 517 transitions. [2023-11-21 18:34:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 517 transitions. [2023-11-21 18:34:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:34:22,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:22,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:22,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 323 states and 540 transitions. [2023-11-21 18:34:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2023-11-21 18:34:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:34:23,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:23,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 329 states and 554 transitions. [2023-11-21 18:34:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 554 transitions. [2023-11-21 18:34:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:34:25,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:25,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.