./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.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_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/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_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/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_540be336-bca6-423e-915a-fb3083a554b6/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 b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:40,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:40,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:40,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:40,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:40,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:40,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:40,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:40,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:40,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:40,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:40,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:40,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:40,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:40,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:40,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:40,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:40,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:40,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:40,604 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:40,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:40,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:40,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:40,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:40,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:40,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:40,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:40,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:40,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:40,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:40,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:40,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:40,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:40,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:40,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:40,613 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_540be336-bca6-423e-915a-fb3083a554b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2023-11-21 18:54:40,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:40,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:40,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:40,993 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:40,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:40,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-21 18:54:44,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:44,351 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:44,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-21 18:54:44,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/data/c50e57e11/c5b9f57bd18b456dbbd05d3ed1c510fe/FLAG4f99a509c [2023-11-21 18:54:44,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/data/c50e57e11/c5b9f57bd18b456dbbd05d3ed1c510fe [2023-11-21 18:54:44,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:44,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:44,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:44,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:44,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:44,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f9b9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44, skipping insertion in model container [2023-11-21 18:54:44,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:44,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:44,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:44,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:44,704 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44 WrapperNode [2023-11-21 18:54:44,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:44,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:44,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:44,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:44,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,749 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:54:44,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:44,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:44,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:44,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:44,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:44,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:44,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:44,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:44,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:44,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:44,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_540be336-bca6-423e-915a-fb3083a554b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:54:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:54:44,969 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:44,972 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:45,363 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:45,405 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:45,405 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:54:45,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:45 BoogieIcfgContainer [2023-11-21 18:54:45,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:45,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:45,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:45,419 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:45,420 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:45" (1/1) ... [2023-11-21 18:54:45,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:54:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:54:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:54:45,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,730 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 18:54:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:54:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:54:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:54:45,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,866 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 18:54:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:54:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:54:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:54:45,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:45,999 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 18:54:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:54:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:54:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:46,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:46,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:46,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:46,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:54:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:54:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:46,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:46,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:46,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:46,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:54:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:54:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:46,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:46,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:46,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:46,824 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 18:54:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:54:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:54:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:54:47,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:47,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:47,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:47,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:47,331 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 18:54:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:54:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:54:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:54:47,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:47,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:47,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:48,059 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 18:54:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:54:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:54:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:54:48,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:48,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:48,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:49,099 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 18:54:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:54:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:54:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:54:50,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:50,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:50,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:50,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:50,143 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 18:54:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:54:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:54:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:54:50,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:50,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:50,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:50,873 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 18:54:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:54:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:54:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:54:51,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:51,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:51,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:51,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:51,831 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 18:54:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 146 states and 289 transitions. [2023-11-21 18:54:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 289 transitions. [2023-11-21 18:54:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:54:52,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:52,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:53,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:53,075 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 18:54:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 315 transitions. [2023-11-21 18:54:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 315 transitions. [2023-11-21 18:54:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:54:54,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:54,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:54,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:55,027 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 18:54:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 158 states and 316 transitions. [2023-11-21 18:54:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 316 transitions. [2023-11-21 18:54:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:54:55,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:55,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:55,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:55,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:54:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 172 states and 374 transitions. [2023-11-21 18:54:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 374 transitions. [2023-11-21 18:54:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:54:57,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:57,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:57,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:57,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:57,799 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 18:55:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 185 states and 402 transitions. [2023-11-21 18:55:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 402 transitions. [2023-11-21 18:55:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:55:00,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:00,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:00,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 192 states and 413 transitions. [2023-11-21 18:55:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 413 transitions. [2023-11-21 18:55:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:55:01,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:01,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:01,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:02,050 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 18:55:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 202 states and 437 transitions. [2023-11-21 18:55:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 437 transitions. [2023-11-21 18:55:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:55:04,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:04,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:04,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:55:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 203 states and 447 transitions. [2023-11-21 18:55:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 447 transitions. [2023-11-21 18:55:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:55:04,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:04,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:04,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:04,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:04,459 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 18:55:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 213 states and 476 transitions. [2023-11-21 18:55:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 476 transitions. [2023-11-21 18:55:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:55:06,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:06,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:06,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:06,821 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 18:55:09,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 224 states and 506 transitions. [2023-11-21 18:55:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 506 transitions. [2023-11-21 18:55:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:55:09,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:09,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:09,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:09,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 235 states and 542 transitions. [2023-11-21 18:55:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 542 transitions. [2023-11-21 18:55:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:55:12,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:12,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:13,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:13,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 243 states and 577 transitions. [2023-11-21 18:55:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 577 transitions. [2023-11-21 18:55:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:55:15,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:15,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:15,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 250 states and 605 transitions. [2023-11-21 18:55:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 605 transitions. [2023-11-21 18:55:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:55:16,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:16,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:16,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:16,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 263 states and 643 transitions. [2023-11-21 18:55:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 643 transitions. [2023-11-21 18:55:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:55:20,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:20,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:21,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:21,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 264 states and 644 transitions. [2023-11-21 18:55:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 644 transitions. [2023-11-21 18:55:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:55:21,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:21,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:21,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 272 states and 672 transitions. [2023-11-21 18:55:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 672 transitions. [2023-11-21 18:55:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:55:22,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:22,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:22,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:55:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 283 states and 705 transitions. [2023-11-21 18:55:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 705 transitions. [2023-11-21 18:55:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:55:25,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:25,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:25,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:25,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:55:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 300 states and 748 transitions. [2023-11-21 18:55:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 748 transitions. [2023-11-21 18:55:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:55:29,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:29,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:29,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:55:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 306 states and 755 transitions. [2023-11-21 18:55:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 755 transitions. [2023-11-21 18:55:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:55:31,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:31,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:31,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:31,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:31,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:55:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 320 states and 803 transitions. [2023-11-21 18:55:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 803 transitions. [2023-11-21 18:55:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:55:35,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:35,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:35,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:55:35,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.