./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL --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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:43,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:44,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:33:44,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:44,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:44,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:44,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:33:44,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:33:44,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:44,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:44,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:44,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:44,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:44,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:44,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:44,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:44,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:44,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:44,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:44,093 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:33:44,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:44,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:44,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:44,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:44,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:44,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:44,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:44,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:44,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:44,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:44,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:44,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:33:44,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:44,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:44,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:33:44,101 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_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2023-11-19 02:33:44,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:44,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:44,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:44,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:44,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:44,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-19 02:33:47,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:47,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:47,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-19 02:33:47,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/data/93cc46e16/2695647e3dcd440a87e2a14ce842d566/FLAG5b0e9483d [2023-11-19 02:33:47,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/data/93cc46e16/2695647e3dcd440a87e2a14ce842d566 [2023-11-19 02:33:47,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:47,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:47,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:47,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:47,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:47,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:47" (1/1) ... [2023-11-19 02:33:47,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78673f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:47, skipping insertion in model container [2023-11-19 02:33:47,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:47" (1/1) ... [2023-11-19 02:33:47,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:48,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:48,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:48,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:48,199 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:48,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48 WrapperNode [2023-11-19 02:33:48,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:48,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:48,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:48,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:48,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,272 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 02:33:48,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:48,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:48,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:48,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:48,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:48,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:48,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:48,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:48,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:48,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:48,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:48,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c26e52-eec8-46e3-8f0f-d494a8ab7c0f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:33:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:33:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:33:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:33:48,476 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:48,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:48,930 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:48,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:48,984 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:33:48,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:48 BoogieIcfgContainer [2023-11-19 02:33:48,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:48,991 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:48,991 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:49,001 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:49,002 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:49,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-19 02:33:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-19 02:33:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:33:49,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:49,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:33:49,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-19 02:33:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-19 02:33:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:33:49,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:33:49,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 109 states and 125 transitions. [2023-11-19 02:33:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-19 02:33:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:33:50,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:33:50,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 113 states and 134 transitions. [2023-11-19 02:33:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-19 02:33:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:33:50,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:33:50,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 143 transitions. [2023-11-19 02:33:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-19 02:33:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:33:51,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:51,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:51,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:51,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 124 states and 154 transitions. [2023-11-19 02:33:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-19 02:33:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:33:51,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:52,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 131 states and 167 transitions. [2023-11-19 02:33:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-19 02:33:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:53,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:33:53,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 182 transitions. [2023-11-19 02:33:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-19 02:33:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:54,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:33:54,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 140 states and 183 transitions. [2023-11-19 02:33:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-19 02:33:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:33:54,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:54,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 143 states and 188 transitions. [2023-11-19 02:33:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-19 02:33:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:54,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:54,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 187 transitions. [2023-11-19 02:33:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2023-11-19 02:33:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:55,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:33:55,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 150 states and 203 transitions. [2023-11-19 02:33:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2023-11-19 02:33:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:33:57,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:57,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 149 states and 202 transitions. [2023-11-19 02:33:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2023-11-19 02:33:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:33:57,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:33:57,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 158 states and 220 transitions. [2023-11-19 02:33:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-11-19 02:33:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:33:59,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:59,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:59,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 161 states and 224 transitions. [2023-11-19 02:33:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-19 02:33:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:33:59,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:59,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:59,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 160 states and 223 transitions. [2023-11-19 02:33:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2023-11-19 02:33:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:33:59,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:59,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:59,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 227 transitions. [2023-11-19 02:34:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2023-11-19 02:34:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:34:00,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:00,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:00,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:34:00,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 173 states and 247 transitions. [2023-11-19 02:34:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-19 02:34:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:34:04,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:04,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:34:04,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:34:17,803 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 02:34:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 178 states and 257 transitions. [2023-11-19 02:34:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 257 transitions. [2023-11-19 02:34:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:34:27,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:27,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:34:27,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 181 states and 261 transitions. [2023-11-19 02:34:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 261 transitions. [2023-11-19 02:34:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:34:27,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:27,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:34:27,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 192 states and 284 transitions. [2023-11-19 02:34:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-19 02:34:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:34:32,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:32,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:34:32,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 204 states and 307 transitions. [2023-11-19 02:34:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 307 transitions. [2023-11-19 02:34:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:34:37,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:37,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:37,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:34:37,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 208 states and 314 transitions. [2023-11-19 02:34:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 314 transitions. [2023-11-19 02:34:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:34:39,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:39,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:34:39,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:34:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 313 transitions. [2023-11-19 02:34:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 313 transitions. [2023-11-19 02:34:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:34:44,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:44,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:44,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:34:44,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.