./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/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_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/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_2ca74efa-c818-46be-910b-efbd7a5f1742/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 8191111967e355faaa9e1f9b07a30261823b2d1609aae7d52c8a75e30cb27230 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:50,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:50,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:50,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:50,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:50,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:50,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:50,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:50,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:50,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:50,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:50,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:50,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:50,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:50,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:50,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:50,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:50,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:50,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:50,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:50,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:50,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:50,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:50,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:50,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:50,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:50,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:50,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:50,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:50,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:50,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:50,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:50,910 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:50,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:50,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:50,911 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_2ca74efa-c818-46be-910b-efbd7a5f1742/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8191111967e355faaa9e1f9b07a30261823b2d1609aae7d52c8a75e30cb27230 [2023-11-21 18:55:51,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:51,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:51,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:51,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:51,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:51,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/egcd-both-nt.c [2023-11-21 18:55:54,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:54,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:54,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/sv-benchmarks/c/termination-nla/egcd-both-nt.c [2023-11-21 18:55:54,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/data/9876cfa41/93f5e5653c9f470c8340230ecff2017d/FLAGdaea63d8a [2023-11-21 18:55:54,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/data/9876cfa41/93f5e5653c9f470c8340230ecff2017d [2023-11-21 18:55:54,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:54,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:54,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:54,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:54,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:54,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:54" (1/1) ... [2023-11-21 18:55:54,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108139f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:54, skipping insertion in model container [2023-11-21 18:55:54,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:54" (1/1) ... [2023-11-21 18:55:54,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:55,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:55,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:55,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:55,059 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:55,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55 WrapperNode [2023-11-21 18:55:55,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:55,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:55,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:55,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:55,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,097 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-21 18:55:55,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:55,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:55,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:55,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:55,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:55,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:55,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:55,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:55,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:55,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:55,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca74efa-c818-46be-910b-efbd7a5f1742/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:55,274 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:55,276 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:55,539 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:55,559 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:55,559 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:55:55,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:55 BoogieIcfgContainer [2023-11-21 18:55:55,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:55,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:55,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:55,573 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:55,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:55" (1/1) ... [2023-11-21 18:55:55,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-21 18:55:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:55:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:55:55,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,848 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 18:55:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-21 18:55:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-21 18:55:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:55:55,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:55,918 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 18:55:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-21 18:55:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-21 18:55:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:55:55,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:55,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:55,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,013 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 18:55:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-11-21 18:55:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-21 18:55:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:55:56,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,228 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 18:55:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2023-11-21 18:55:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-21 18:55:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:55:56,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:56,672 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 18:55:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2023-11-21 18:55:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-21 18:55:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:56,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:55:56,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,027 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 18:55:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2023-11-21 18:55:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-21 18:55:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:55:57,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,273 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 18:55:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2023-11-21 18:55:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-21 18:55:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:55:57,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,333 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 18:55:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2023-11-21 18:55:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-21 18:55:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:55:57,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:57,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:57,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:57,545 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 18:55:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-21 18:55:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-21 18:55:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:55:58,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:58,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:58,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:55:58,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:58,415 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 18:55:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2023-11-21 18:55:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-21 18:55:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:55:59,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:59,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:59,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:59,889 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 18:56:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2023-11-21 18:56:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-11-21 18:56:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:56:01,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:01,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:01,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:01,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:01,580 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 18:56:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 95 states and 137 transitions. [2023-11-21 18:56:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-21 18:56:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:56:03,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:03,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:03,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:03,795 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 18:56:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2023-11-21 18:56:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2023-11-21 18:56:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:56:04,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:04,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:04,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:04,593 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 18:56:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 149 transitions. [2023-11-21 18:56:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-21 18:56:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:56:05,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:05,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:05,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:05,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:05,353 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 18:56:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 116 states and 171 transitions. [2023-11-21 18:56:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2023-11-21 18:56:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:56:08,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:08,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:08,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:08,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 129 states and 193 transitions. [2023-11-21 18:56:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 193 transitions. [2023-11-21 18:56:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:56:11,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:11,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:11,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:11,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:11,673 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 18:56:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 135 states and 209 transitions. [2023-11-21 18:56:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2023-11-21 18:56:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:56:13,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:13,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:56:13,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 141 states and 225 transitions. [2023-11-21 18:56:14,592 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 225 transitions. [2023-11-21 18:56:14,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:56:14,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:14,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:56:14,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 156 states and 257 transitions. [2023-11-21 18:56:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 257 transitions. [2023-11-21 18:56:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:56:19,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:19,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:19,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 160 states and 266 transitions. [2023-11-21 18:56:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 266 transitions. [2023-11-21 18:56:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:56:20,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:20,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:20,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:56:20,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 164 states and 278 transitions. [2023-11-21 18:56:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 278 transitions. [2023-11-21 18:56:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:56:22,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:22,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:22,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:22,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 169 states and 290 transitions. [2023-11-21 18:56:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 290 transitions. [2023-11-21 18:56:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:56:27,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:27,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:27,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 170 states and 293 transitions. [2023-11-21 18:56:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2023-11-21 18:56:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:56:27,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:27,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:27,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:56:27,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 181 states and 312 transitions. [2023-11-21 18:56:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 312 transitions. [2023-11-21 18:56:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:56:33,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:33,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:33,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:33,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 190 states and 334 transitions. [2023-11-21 18:56:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 334 transitions. [2023-11-21 18:56:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:56:37,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:37,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:37,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:37,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 192 states and 339 transitions. [2023-11-21 18:56:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 339 transitions. [2023-11-21 18:56:38,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:56:38,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:38,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:38,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 194 states and 344 transitions. [2023-11-21 18:56:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 344 transitions. [2023-11-21 18:56:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:56:40,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:40,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:40,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:40,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 195 states and 347 transitions. [2023-11-21 18:56:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 347 transitions. [2023-11-21 18:56:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:56:40,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:40,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:56:40,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 198 states and 359 transitions. [2023-11-21 18:56:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 359 transitions. [2023-11-21 18:56:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:56:43,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:43,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:43,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:43,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:56:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:56:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 205 states and 376 transitions. [2023-11-21 18:56:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 376 transitions. [2023-11-21 18:56:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:56:47,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:56:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:56:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:56:47,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:56:47,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:56:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.