./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:22:16,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:22:16,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:22:16,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:22:16,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:22:16,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:22:16,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:22:16,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:22:16,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:22:16,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:22:16,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:22:16,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:22:16,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:22:16,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:22:16,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:22:16,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:22:16,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:22:16,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:16,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:22:16,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:22:16,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:22:16,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:22:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:22:16,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d [2024-12-06 03:22:16,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:22:16,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:22:16,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:22:16,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:22:16,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:22:16,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 03:22:19,315 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/data/ab9345915/ac28f5bcbffc47008c5db59567b16d72/FLAG7e343b37f [2024-12-06 03:22:19,530 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:22:19,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 03:22:19,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/data/ab9345915/ac28f5bcbffc47008c5db59567b16d72/FLAG7e343b37f [2024-12-06 03:22:19,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/data/ab9345915/ac28f5bcbffc47008c5db59567b16d72 [2024-12-06 03:22:19,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:22:19,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:22:19,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:19,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:22:19,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:22:19,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d4fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19, skipping insertion in model container [2024-12-06 03:22:19,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:22:19,790 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2024-12-06 03:22:19,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:19,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:22:19,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2024-12-06 03:22:19,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:19,866 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:22:19,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19 WrapperNode [2024-12-06 03:22:19,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:19,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:19,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:22:19,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:22:19,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,908 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 455 [2024-12-06 03:22:19,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:19,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:22:19,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:22:19,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:22:19,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:22:19,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:22:19,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:22:19,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:22:19,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:19" (1/1) ... [2024-12-06 03:22:19,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:19,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:22:19,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:22:19,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6fa1fc-d94d-4660-ad9b-3642b85c5c40/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:22:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:22:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:22:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:22:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:22:20,078 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:22:20,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:22:20,514 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-12-06 03:22:20,514 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:22:21,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:22:21,169 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:22:21,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:21 BoogieIcfgContainer [2024-12-06 03:22:21,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:22:21,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:22:21,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:22:21,178 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:22:21,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:22:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 03:22:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 03:22:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:22:21,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:21,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 03:22:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 03:22:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:22:23,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:23,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 03:22:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 03:22:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:22:24,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:24,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 03:22:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 03:22:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:22:26,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:26,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-12-06 03:22:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-12-06 03:22:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:22:26,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:26,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-06 03:22:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 03:22:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:22:38,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:38,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2024-12-06 03:22:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-12-06 03:22:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:22:42,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-12-06 03:22:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-12-06 03:22:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:22:56,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:56,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2024-12-06 03:23:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2024-12-06 03:23:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:23:12,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 147 transitions. [2024-12-06 03:23:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 147 transitions. [2024-12-06 03:23:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:23:24,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 84 states and 177 transitions. [2024-12-06 03:23:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 177 transitions. [2024-12-06 03:23:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:23:37,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 90 states and 186 transitions. [2024-12-06 03:23:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 186 transitions. [2024-12-06 03:23:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:23:40,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 107 states and 221 transitions. [2024-12-06 03:24:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 221 transitions. [2024-12-06 03:24:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:24:00,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:24:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 108 states and 223 transitions. [2024-12-06 03:24:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 223 transitions. [2024-12-06 03:24:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:24:01,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:24:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 133 states and 286 transitions. [2024-12-06 03:26:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 286 transitions. [2024-12-06 03:26:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:26:38,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:26:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:36,987 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 504 DAG size of output: 379 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:28:45,382 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 506 DAG size of output: 428 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:28:56,237 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 511 DAG size of output: 386 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:29:02,335 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 513 DAG size of output: 435 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:29:13,248 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 513 DAG size of output: 388 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:29:19,881 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 515 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:29:30,818 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 505 DAG size of output: 380 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:29:37,254 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 507 DAG size of output: 429 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:30:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 158 states and 343 transitions. [2024-12-06 03:30:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 343 transitions. [2024-12-06 03:30:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:30:10,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:10,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:50,865 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 600 DAG size of output: 390 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:35:09,063 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 602 DAG size of output: 392 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:36:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 182 states and 401 transitions. [2024-12-06 03:36:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 401 transitions. [2024-12-06 03:36:33,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:36:33,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:36:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 190 states and 428 transitions. [2024-12-06 03:36:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 428 transitions. [2024-12-06 03:36:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:36:54,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:36:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.