./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.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_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi --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 1bb463b167b254c80aafe9ad09b54a56308dc50dcf4a4adbb2aa58670e8927d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:35,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:35,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:55:35,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:35,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:35,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:35,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:35,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:35,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:35,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:35,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:35,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:35,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:35,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:35,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:35,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:35,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:35,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:35,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:35,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:35,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:35,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:35,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:35,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:35,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:35,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:35,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:35,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:35,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:35,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:35,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:35,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:35,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:35,509 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_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bb463b167b254c80aafe9ad09b54a56308dc50dcf4a4adbb2aa58670e8927d0 [2023-11-24 22:55:35,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:35,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:35,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:35,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:35,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:35,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2023-11-24 22:55:39,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:39,356 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:39,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2023-11-24 22:55:39,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/data/3a8dd0771/3da33599fe0b4841a8c365899adea318/FLAG526f5de6a [2023-11-24 22:55:39,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/data/3a8dd0771/3da33599fe0b4841a8c365899adea318 [2023-11-24 22:55:39,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:39,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:39,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:39,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:39,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:39,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:39,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7655d38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39, skipping insertion in model container [2023-11-24 22:55:39,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:39,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:39,824 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_21db8415-4375-4fed-8369-e80bd7967f86/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c[30998,31011] [2023-11-24 22:55:39,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:39,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:39,960 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_21db8415-4375-4fed-8369-e80bd7967f86/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c[30998,31011] [2023-11-24 22:55:39,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:39,987 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:39,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39 WrapperNode [2023-11-24 22:55:39,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:39,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:39,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:39,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:39,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,078 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1002 [2023-11-24 22:55:40,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:40,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:40,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:40,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:40,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:40,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:40,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:40,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:40,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:39" (1/1) ... [2023-11-24 22:55:40,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:40,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21db8415-4375-4fed-8369-e80bd7967f86/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:40,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:40,457 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:40,460 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:41,746 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:43,225 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:43,225 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:55:43,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:43 BoogieIcfgContainer [2023-11-24 22:55:43,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:43,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:43,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:43,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:43,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:43" (1/1) ... [2023-11-24 22:55:43,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2023-11-24 22:55:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2023-11-24 22:55:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:43,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:43,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2023-11-24 22:55:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2023-11-24 22:55:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:55:49,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2023-11-24 22:55:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2023-11-24 22:55:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:55:52,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:52,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 149 states and 244 transitions. [2023-11-24 22:55:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2023-11-24 22:55:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:55:56,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2023-11-24 22:56:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2023-11-24 22:56:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:56:00,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:00,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2023-11-24 22:56:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2023-11-24 22:56:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:56:04,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2023-11-24 22:56:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2023-11-24 22:56:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:09,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 175 states and 297 transitions. [2023-11-24 22:56:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2023-11-24 22:56:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:13,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 176 states and 297 transitions. [2023-11-24 22:56:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2023-11-24 22:56:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:13,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 177 states and 298 transitions. [2023-11-24 22:56:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2023-11-24 22:56:13,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:13,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2023-11-24 22:56:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2023-11-24 22:56:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:19,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat