./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.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_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/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_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/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_be9cc644-5b93-4298-b07c-603859622c26/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 efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:52,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:52,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:52,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:52,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:52,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:52,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:52,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:52,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:52,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:52,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:52,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:52,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:52,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:52,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:52,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:52,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:52,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:52,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:52,702 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:52,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:52,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:52,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:52,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:52,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:52,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:52,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:52,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:52,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:52,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:52,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:52,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:52,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:52,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:52,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:52,710 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_be9cc644-5b93-4298-b07c-603859622c26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 [2023-11-21 18:48:52,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:53,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:53,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:53,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:53,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:53,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2023-11-21 18:48:56,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:56,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:56,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2023-11-21 18:48:56,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/data/32cbbbf66/e3c829fc372e4f98aa8796c8e8aaa5d1/FLAG01c6e48c1 [2023-11-21 18:48:56,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/data/32cbbbf66/e3c829fc372e4f98aa8796c8e8aaa5d1 [2023-11-21 18:48:56,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:56,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:56,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:56,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:56,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:56,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72402ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56, skipping insertion in model container [2023-11-21 18:48:56,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:56,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:56,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:56,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:56,898 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:56,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56 WrapperNode [2023-11-21 18:48:56,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:56,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:56,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:56,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:56,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,959 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-21 18:48:56,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:56,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:56,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:56,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:56,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:56,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:56,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:56,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:56,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:57,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:57,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9cc644-5b93-4298-b07c-603859622c26/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:57,165 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:57,168 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:57,559 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:57,638 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:57,638 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:48:57,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:57 BoogieIcfgContainer [2023-11-21 18:48:57,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:57,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:57,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:57,661 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:57,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:57" (1/1) ... [2023-11-21 18:48:57,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:48:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:48:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:48:57,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,004 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 18:48:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:48:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:48:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:48:58,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,146 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 18:48:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:48:58,174 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:48:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:48:58,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,253 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 18:48:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:48:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:48:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:48:58,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,472 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 18:48:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:48:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:48:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:48:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,794 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 18:48:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-21 18:48:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-21 18:48:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:58,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:48:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:48:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:48:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:59,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:59,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:59,686 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 18:49:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-21 18:49:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:49:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:00,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:00,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:00,528 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 18:49:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-21 18:49:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-21 18:49:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:01,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:01,948 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 18:49:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-21 18:49:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-21 18:49:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:03,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,412 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 18:49:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-21 18:49:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-21 18:49:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:49:04,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:04,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:04,256 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 18:49:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-21 18:49:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-21 18:49:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:04,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:05,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:05,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:05,252 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 18:49:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 293 transitions. [2023-11-21 18:49:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2023-11-21 18:49:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:06,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:06,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:06,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:06,639 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 18:49:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 157 states and 319 transitions. [2023-11-21 18:49:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2023-11-21 18:49:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:08,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:08,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:08,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:08,925 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 18:49:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 320 transitions. [2023-11-21 18:49:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2023-11-21 18:49:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:08,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:09,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:09,107 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 18:49:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 164 states and 330 transitions. [2023-11-21 18:49:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 330 transitions. [2023-11-21 18:49:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:10,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:10,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:10,330 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 18:49:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 177 states and 357 transitions. [2023-11-21 18:49:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 357 transitions. [2023-11-21 18:49:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:49:13,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,482 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 18:49:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 184 states and 368 transitions. [2023-11-21 18:49:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 368 transitions. [2023-11-21 18:49:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:49:14,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:14,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:14,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:14,957 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 18:49:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 198 states and 394 transitions. [2023-11-21 18:49:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 394 transitions. [2023-11-21 18:49:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:18,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:18,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:18,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:18,652 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 18:49:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 199 states and 404 transitions. [2023-11-21 18:49:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 404 transitions. [2023-11-21 18:49:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:18,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:18,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:18,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:18,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 209 states and 429 transitions. [2023-11-21 18:49:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 429 transitions. [2023-11-21 18:49:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:49:21,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:21,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 220 states and 455 transitions. [2023-11-21 18:49:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 455 transitions. [2023-11-21 18:49:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:24,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:24,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:24,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:25,347 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 18:49:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 234 states and 493 transitions. [2023-11-21 18:49:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 493 transitions. [2023-11-21 18:49:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:49:28,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:28,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:28,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:29,290 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 18:49:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 242 states and 524 transitions. [2023-11-21 18:49:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 524 transitions. [2023-11-21 18:49:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:31,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,701 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 18:49:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 248 states and 547 transitions. [2023-11-21 18:49:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 547 transitions. [2023-11-21 18:49:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:49:32,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:32,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:32,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:32,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:32,656 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 18:49:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 261 states and 581 transitions. [2023-11-21 18:49:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 581 transitions. [2023-11-21 18:49:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:35,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:35,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:35,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:35,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:35,890 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 18:49:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 262 states and 582 transitions. [2023-11-21 18:49:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 582 transitions. [2023-11-21 18:49:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:35,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:35,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:35,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:36,208 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 18:49:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 271 states and 607 transitions. [2023-11-21 18:49:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 607 transitions. [2023-11-21 18:49:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:36,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:36,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:36,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,021 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 18:49:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 282 states and 639 transitions. [2023-11-21 18:49:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 639 transitions. [2023-11-21 18:49:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:49:40,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,269 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 18:49:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 291 states and 664 transitions. [2023-11-21 18:49:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 664 transitions. [2023-11-21 18:49:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:49:40,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,713 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 18:49:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 303 states and 749 transitions. [2023-11-21 18:49:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 749 transitions. [2023-11-21 18:49:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:49:45,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.