./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:00,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:00,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:00,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:00,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:00,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:00,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:00,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:00,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:00,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:00,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:00,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:00,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:00,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:00,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:00,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:00,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:00,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:00,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:00,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:00,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:00,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:00,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:00,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:00,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:00,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:00,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:00,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:00,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:00,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:00,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:00,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:00,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:00,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:00,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:00,185 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_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2023-11-19 02:53:00,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:00,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:00,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:00,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:00,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:00,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-19 02:53:03,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:03,764 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:03,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-19 02:53:03,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/data/2ca2549c1/79bef6231a744941acaec9eb84474dae/FLAG70c87dff3 [2023-11-19 02:53:03,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/data/2ca2549c1/79bef6231a744941acaec9eb84474dae [2023-11-19 02:53:03,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:03,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:03,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:03,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:03,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:03,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:03" (1/1) ... [2023-11-19 02:53:03,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5108787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:03, skipping insertion in model container [2023-11-19 02:53:03,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:03" (1/1) ... [2023-11-19 02:53:03,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:04,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:04,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:04,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:04,463 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:04,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04 WrapperNode [2023-11-19 02:53:04,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:04,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:04,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:04,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:04,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,588 INFO L138 Inliner]: procedures = 145, calls = 318, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 534 [2023-11-19 02:53:04,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:04,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:04,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:04,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:04,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:04,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:04,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:04,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:04,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:04" (1/1) ... [2023-11-19 02:53:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:04,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:04,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:04,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_572759f6-29d7-46aa-890d-59adf08e69d4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:53:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:53:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-11-19 02:53:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-11-19 02:53:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 02:53:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 02:53:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 02:53:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 02:53:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 02:53:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 02:53:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:53:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 02:53:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 02:53:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-11-19 02:53:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-11-19 02:53:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:05,043 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:05,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:16,269 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:16,479 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:16,479 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:53:16,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:16 BoogieIcfgContainer [2023-11-19 02:53:16,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:16,493 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:16,493 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:16,505 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:16,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:16" (1/1) ... [2023-11-19 02:53:16,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 134 states and 188 transitions. [2023-11-19 02:53:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2023-11-19 02:53:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:16,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-11-19 02:53:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-11-19 02:53:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:27,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2023-11-19 02:53:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2023-11-19 02:53:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:27,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:38,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 137 states and 193 transitions. [2023-11-19 02:53:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 193 transitions. [2023-11-19 02:53:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:38,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2023-11-19 02:53:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2023-11-19 02:53:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:38,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 140 states and 197 transitions. [2023-11-19 02:53:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 197 transitions. [2023-11-19 02:53:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:39,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:39,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:53:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2023-11-19 02:53:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2023-11-19 02:53:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:39,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-11-19 02:53:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-11-19 02:53:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:40,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:53:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 144 states and 200 transitions. [2023-11-19 02:53:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 200 transitions. [2023-11-19 02:53:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:41,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:53:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 145 states and 201 transitions. [2023-11-19 02:53:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 201 transitions. [2023-11-19 02:53:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:41,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:41,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:53:52,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 145 states and 202 transitions. [2023-11-19 02:53:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2023-11-19 02:53:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:52,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:52,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:53:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 148 states and 204 transitions. [2023-11-19 02:53:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2023-11-19 02:53:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:53:53,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:53:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 151 states and 206 transitions. [2023-11-19 02:53:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2023-11-19 02:53:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:53:54,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:54,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:53:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 163 states and 218 transitions. [2023-11-19 02:53:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 218 transitions. [2023-11-19 02:53:58,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:58,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:54:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 162 states and 217 transitions. [2023-11-19 02:54:02,956 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 217 transitions. [2023-11-19 02:54:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:54:02,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 02:54:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 161 states and 216 transitions. [2023-11-19 02:54:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 216 transitions. [2023-11-19 02:54:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:54:03,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 02:54:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 160 states and 215 transitions. [2023-11-19 02:54:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 215 transitions. [2023-11-19 02:54:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:54:03,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat