./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/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_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/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_08de0155-cdb8-4bc7-ac90-1484e8036a82/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 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:44:10,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:44:10,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:44:10,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:44:10,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:44:10,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:44:10,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:44:10,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:44:10,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:44:10,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:44:10,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:44:10,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:44:10,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:44:10,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:44:10,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:44:10,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:44:10,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:44:10,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:44:10,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:44:10,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:44:10,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:44:10,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:44:10,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:44:10,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:44:10,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:44:10,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:44:10,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:44:10,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:44:10,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:44:10,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:44:10,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:44:10,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:44:10,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:44:10,978 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_08de0155-cdb8-4bc7-ac90-1484e8036a82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d [2023-12-03 02:44:11,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:44:11,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:44:11,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:44:11,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:44:11,287 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:44:11,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2023-12-03 02:44:14,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:44:15,013 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:44:15,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2023-12-03 02:44:15,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/data/3e0d60307/5f81164c35174398a51581818fa69123/FLAGa248e5408 [2023-12-03 02:44:15,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/data/3e0d60307/5f81164c35174398a51581818fa69123 [2023-12-03 02:44:15,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:44:15,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:44:15,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:44:15,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:44:15,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:44:15,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408f7190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15, skipping insertion in model container [2023-12-03 02:44:15,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:44:15,361 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_08de0155-cdb8-4bc7-ac90-1484e8036a82/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2023-12-03 02:44:15,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:44:15,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:44:15,432 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_08de0155-cdb8-4bc7-ac90-1484e8036a82/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2023-12-03 02:44:15,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:44:15,453 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:44:15,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15 WrapperNode [2023-12-03 02:44:15,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:44:15,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:44:15,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:44:15,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:44:15,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,511 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 275 [2023-12-03 02:44:15,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:44:15,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:44:15,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:44:15,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:44:15,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:44:15,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:44:15,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:44:15,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:44:15,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:15" (1/1) ... [2023-12-03 02:44:15,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:44:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:44:15,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:44:15,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08de0155-cdb8-4bc7-ac90-1484e8036a82/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:44:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:44:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:44:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:44:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:44:15,750 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:44:15,753 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:44:16,162 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:44:16,579 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:44:16,579 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:44:16,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:16 BoogieIcfgContainer [2023-12-03 02:44:16,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:44:16,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:44:16,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:44:16,604 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:44:16,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:16" (1/1) ... [2023-12-03 02:44:16,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:44:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 02:44:16,684 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 02:44:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:44:16,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:16,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:17,877 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 02:44:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-03 02:44:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-03 02:44:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:44:18,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:18,378 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 02:44:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-12-03 02:44:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-12-03 02:44:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:44:18,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:19,557 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 02:44:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-12-03 02:44:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-12-03 02:44:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:44:20,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:20,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:20,945 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 02:44:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-12-03 02:44:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-12-03 02:44:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:44:21,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:28,961 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 02:44:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2023-12-03 02:44:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2023-12-03 02:44:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:44:35,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:35,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:35,970 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 02:44:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2023-12-03 02:44:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2023-12-03 02:44:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:44:40,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:40,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:50,075 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 02:44:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2023-12-03 02:44:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2023-12-03 02:44:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:44:57,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:57,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:02,996 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 02:45:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2023-12-03 02:45:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2023-12-03 02:45:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:45:09,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 72 states and 135 transitions. [2023-12-03 02:45:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2023-12-03 02:45:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:45:23,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:25,715 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 02:45:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 83 states and 162 transitions. [2023-12-03 02:45:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 162 transitions. [2023-12-03 02:45:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:45:36,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:37,774 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 02:45:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 174 transitions. [2023-12-03 02:45:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 174 transitions. [2023-12-03 02:45:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:45:41,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:41,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,785 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 02:45:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 94 states and 189 transitions. [2023-12-03 02:45:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 189 transitions. [2023-12-03 02:45:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:45:48,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:50,207 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 02:45:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:56,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 103 states and 206 transitions. [2023-12-03 02:45:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 206 transitions. [2023-12-03 02:45:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:45:56,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:58,758 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 02:46:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 105 states and 215 transitions. [2023-12-03 02:46:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 215 transitions. [2023-12-03 02:46:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:46:01,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:01,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:02,606 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 02:46:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 107 states and 220 transitions. [2023-12-03 02:46:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 220 transitions. [2023-12-03 02:46:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:46:04,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:04,749 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 02:46:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 109 states and 227 transitions. [2023-12-03 02:46:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 227 transitions. [2023-12-03 02:46:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:46:06,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:06,969 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 02:46:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 110 states and 232 transitions. [2023-12-03 02:46:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 232 transitions. [2023-12-03 02:46:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:46:08,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:46:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 110 states and 231 transitions. [2023-12-03 02:46:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2023-12-03 02:46:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:46:09,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:46,201 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 02:48:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 136 states and 298 transitions. [2023-12-03 02:48:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 298 transitions. [2023-12-03 02:48:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:48:19,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:59,908 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 02:50:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 162 states and 368 transitions. [2023-12-03 02:50:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 368 transitions. [2023-12-03 02:50:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:50:52,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:50:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:05,735 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 02:52:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 187 states and 439 transitions. [2023-12-03 02:52:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 439 transitions. [2023-12-03 02:52:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:52:42,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:52:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:18,316 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 02:55:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 203 states and 510 transitions. [2023-12-03 02:55:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 510 transitions. [2023-12-03 02:55:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:55:21,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:21,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:23,874 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 02:55:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 211 states and 544 transitions. [2023-12-03 02:55:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 544 transitions. [2023-12-03 02:55:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:55:41,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.