./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9 --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 5692c849f4d89bdffd108b63efd7f8fc3dfb9eaa92d6e9ffe082f62ca54e1100 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:23:45,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:23:45,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:23:45,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:23:45,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:23:45,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:23:45,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:23:45,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:23:45,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:23:45,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:23:45,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:23:45,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:23:45,312 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:23:45,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:23:45,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:23:45,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:23:45,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:23:45,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:23:45,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:23:45,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:23:45,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:23:45,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:23:45,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:23:45,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:23:45,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:23:45,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:23:45,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:23:45,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:23:45,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:23:45,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:23:45,320 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:23:45,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:23:45,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:23:45,321 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_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5692c849f4d89bdffd108b63efd7f8fc3dfb9eaa92d6e9ffe082f62ca54e1100 [2023-12-03 04:23:45,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:23:45,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:23:45,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:23:45,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:23:45,571 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:23:45,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2023-12-03 04:23:48,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:23:48,588 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:23:48,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2023-12-03 04:23:48,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/data/6bd005487/bc5072d2245b49c0adfc99599f126d45/FLAG50b40689d [2023-12-03 04:23:48,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/data/6bd005487/bc5072d2245b49c0adfc99599f126d45 [2023-12-03 04:23:48,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:23:48,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:23:48,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:23:48,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:23:48,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:23:48,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:48,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33056904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48, skipping insertion in model container [2023-12-03 04:23:48,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:48,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:23:48,866 WARN L240 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_9740b3c6-32ef-40f7-a679-c16701b3db6e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c[16964,16977] [2023-12-03 04:23:48,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:23:48,881 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:23:48,935 WARN L240 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_9740b3c6-32ef-40f7-a679-c16701b3db6e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c[16964,16977] [2023-12-03 04:23:48,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:23:48,953 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:23:48,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48 WrapperNode [2023-12-03 04:23:48,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:23:48,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:23:48,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:23:48,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:23:48,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:48,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,008 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 441 [2023-12-03 04:23:49,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:23:49,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:23:49,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:23:49,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:23:49,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:23:49,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:23:49,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:23:49,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:23:49,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:48" (1/1) ... [2023-12-03 04:23:49,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:23:49,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:23:49,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:23:49,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9740b3c6-32ef-40f7-a679-c16701b3db6e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:23:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:23:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:23:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:23:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:23:49,220 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:23:49,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:23:49,704 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:23:50,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:23:50,348 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:23:50,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:23:50 BoogieIcfgContainer [2023-12-03 04:23:50,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:23:50,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:23:50,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:23:50,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:23:50,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:23:50" (1/1) ... [2023-12-03 04:23:50,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:23:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:23:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:23:50,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:23:50,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:50,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:23:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:23:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:23:52,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:24:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-12-03 04:24:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-12-03 04:24:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:08,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:08,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:24:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2023-12-03 04:24:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2023-12-03 04:24:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:24:15,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:17,581 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 523 DAG size of output: 495 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:29:51,906 WARN L293 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 706 DAG size of output: 639 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:33:12,356 WARN L293 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 698 DAG size of output: 649 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:34:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:37,177 WARN L293 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 539 DAG size of output: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:34:46,239 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 541 DAG size of output: 523 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:34:58,647 WARN L293 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 535 DAG size of output: 490 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:05,380 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 537 DAG size of output: 519 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:18,072 WARN L293 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 648 DAG size of output: 625 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:25,642 WARN L293 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 640 DAG size of output: 627 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:32,763 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 637 DAG size of output: 631 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:48,637 WARN L293 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 656 DAG size of output: 633 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:35:56,287 WARN L293 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 650 DAG size of output: 632 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:36:03,666 WARN L293 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 640 DAG size of output: 639 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:36:20,212 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 687 DAG size of output: 526 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:36:28,735 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 671 DAG size of output: 546 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:36:39,710 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 547 DAG size of output: 545 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:37:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 63 transitions. [2023-12-03 04:37:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 63 transitions. [2023-12-03 04:37:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:37:04,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat