./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.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_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/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_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/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_c7862a81-beee-479c-8530-3703674659bb/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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:51:14,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:51:14,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:51:14,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:51:14,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:51:14,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:51:14,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:51:14,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:51:14,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:51:14,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:51:14,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:51:14,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:51:14,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:51:14,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:51:14,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:51:14,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:51:14,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:51:14,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:51:14,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:51:14,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:51:14,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:51:14,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:51:14,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:51:14,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:51:14,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:51:14,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:51:14,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:14,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:51:14,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:51:14,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:51:14,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:51:14,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:51:14,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:51:14,318 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_c7862a81-beee-479c-8530-3703674659bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2023-12-03 01:51:14,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:51:14,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:51:14,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:51:14,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:51:14,539 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:51:14,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2023-12-03 01:51:17,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:51:17,406 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:51:17,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2023-12-03 01:51:17,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/data/9f6ff756f/bc9d7cef244742c9b3b64d6058ea7ca4/FLAG86cf86d92 [2023-12-03 01:51:17,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/data/9f6ff756f/bc9d7cef244742c9b3b64d6058ea7ca4 [2023-12-03 01:51:17,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:51:17,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:51:17,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:17,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:51:17,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:51:17,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40eda594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17, skipping insertion in model container [2023-12-03 01:51:17,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:51:17,674 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_c7862a81-beee-479c-8530-3703674659bb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2023-12-03 01:51:17,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:17,690 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:51:17,746 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_c7862a81-beee-479c-8530-3703674659bb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2023-12-03 01:51:17,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:17,762 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:51:17,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17 WrapperNode [2023-12-03 01:51:17,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:17,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:17,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:51:17,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:51:17,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,815 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 388 [2023-12-03 01:51:17,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:17,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:51:17,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:51:17,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:51:17,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:51:17,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:51:17,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:51:17,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:51:17,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:17" (1/1) ... [2023-12-03 01:51:17,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:17,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:51:17,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:51:17,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7862a81-beee-479c-8530-3703674659bb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:51:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:51:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:51:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:51:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:51:18,023 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:51:18,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:51:18,415 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:51:18,872 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:51:18,873 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:51:18,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:18 BoogieIcfgContainer [2023-12-03 01:51:18,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:51:18,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:51:18,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:51:18,884 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:51:18,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:18" (1/1) ... [2023-12-03 01:51:18,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:51:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 01:51:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 01:51:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:51:18,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:20,512 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 01:51:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-03 01:51:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-03 01:51:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:51:20,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:21,033 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 01:51:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-12-03 01:51:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-12-03 01:51:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:51:21,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:22,130 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 01:51:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-12-03 01:51:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-12-03 01:51:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:51:22,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:22,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:22,957 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 01:51:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-12-03 01:51:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-12-03 01:51:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:51:23,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:51:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2023-12-03 01:51:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2023-12-03 01:51:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:51:35,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:51:39,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2023-12-03 01:51:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2023-12-03 01:51:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:51:39,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:39,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:51:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2023-12-03 01:51:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2023-12-03 01:51:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:51:53,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2023-12-03 01:52:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2023-12-03 01:52:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:52:06,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:06,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 132 transitions. [2023-12-03 01:52:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2023-12-03 01:52:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:52:19,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:19,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 80 states and 146 transitions. [2023-12-03 01:52:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2023-12-03 01:52:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:52:23,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 163 transitions. [2023-12-03 01:52:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2023-12-03 01:52:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:52:34,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:34,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 183 transitions. [2023-12-03 01:52:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2023-12-03 01:52:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:52:46,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:46,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 242 transitions. [2023-12-03 01:54:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 242 transitions. [2023-12-03 01:54:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:54:49,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:55:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 266 transitions. [2023-12-03 01:55:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2023-12-03 01:55:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:55:03,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:55:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 142 states and 275 transitions. [2023-12-03 01:55:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 275 transitions. [2023-12-03 01:55:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:55:16,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:16,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:56:51,711 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 520 DAG size of output: 490 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:03,220 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 491 DAG size of output: 479 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:14,586 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 522 DAG size of output: 492 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:25,737 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 493 DAG size of output: 481 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:37,277 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 524 DAG size of output: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:57:49,297 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 495 DAG size of output: 483 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:58:00,784 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 514 DAG size of output: 484 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:58:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 167 states and 327 transitions. [2023-12-03 01:58:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 327 transitions. [2023-12-03 01:58:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:58:35,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:06,446 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 609 DAG size of output: 479 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:15,779 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 611 DAG size of output: 527 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:30,706 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 528 DAG size of output: 527 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:41,837 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 608 DAG size of output: 480 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:48,412 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 610 DAG size of output: 529 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:03,198 WARN L293 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 530 DAG size of output: 529 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:09,336 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 610 DAG size of output: 482 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:16,081 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 612 DAG size of output: 531 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:31,509 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 532 DAG size of output: 531 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:39,309 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 600 DAG size of output: 472 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:03:45,968 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 602 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:04:00,814 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 522 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:04:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 194 states and 386 transitions. [2023-12-03 02:04:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 386 transitions. [2023-12-03 02:04:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:04:59,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:59,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.