./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/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_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:26:28,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:28,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:28,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:28,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:28,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:28,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:28,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:28,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:28,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:28,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:28,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:28,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:28,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:28,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:28,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:28,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:28,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:28,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:28,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:28,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:28,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:28,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:28,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:28,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:28,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:28,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:28,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:28,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:28,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:28,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:28,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:28,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:28,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:28,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:28,718 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_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2023-11-23 20:26:29,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:29,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:29,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:29,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:29,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:29,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:26:32,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:32,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:32,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:26:32,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/data/0bbbe9a1c/5aa6a7c8df0046e7b273295ef09c1999/FLAGa3869b204 [2023-11-23 20:26:32,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/data/0bbbe9a1c/5aa6a7c8df0046e7b273295ef09c1999 [2023-11-23 20:26:32,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:32,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:32,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:32,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:32,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:32,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:32" (1/1) ... [2023-11-23 20:26:32,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7aabc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:32, skipping insertion in model container [2023-11-23 20:26:32,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:32" (1/1) ... [2023-11-23 20:26:32,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:33,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:33,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:33,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:33,650 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:33,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33 WrapperNode [2023-11-23 20:26:33,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:33,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:33,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:33,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:33,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,749 INFO L138 Inliner]: procedures = 145, calls = 318, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 534 [2023-11-23 20:26:33,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:33,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:33,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:33,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:33,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:33,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:33,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:33,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:33,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:33" (1/1) ... [2023-11-23 20:26:33,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:33,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:33,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:33,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82a6d2a8-a701-471f-8767-2c6aa8a56a1e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:26:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:26:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:26:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:26:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:26:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-11-23 20:26:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-11-23 20:26:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:26:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:26:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:26:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:26:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:26:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:26:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:26:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:26:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:26:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:26:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-11-23 20:26:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-11-23 20:26:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:34,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:34,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:45,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:45,464 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:45,465 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:26:45,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:45 BoogieIcfgContainer [2023-11-23 20:26:45,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:45,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:45,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:45,480 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:45,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:45" (1/1) ... [2023-11-23 20:26:45,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 134 states and 188 transitions. [2023-11-23 20:26:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2023-11-23 20:26:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:45,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:56,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:26:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 135 states and 190 transitions. [2023-11-23 20:26:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 190 transitions. [2023-11-23 20:26:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:56,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-11-23 20:26:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-11-23 20:26:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:26:56,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2023-11-23 20:26:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2023-11-23 20:26:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:57,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:07,630 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 [] [2023-11-23 20:27:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 137 states and 193 transitions. [2023-11-23 20:27:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 193 transitions. [2023-11-23 20:27:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:07,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:07,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 138 states and 195 transitions. [2023-11-23 20:27:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 195 transitions. [2023-11-23 20:27:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:08,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 140 states and 197 transitions. [2023-11-23 20:27:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 197 transitions. [2023-11-23 20:27:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:08,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2023-11-23 20:27:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2023-11-23 20:27:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:09,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 147 states and 208 transitions. [2023-11-23 20:27:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2023-11-23 20:27:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:11,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 148 states and 208 transitions. [2023-11-23 20:27:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 208 transitions. [2023-11-23 20:27:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:27:11,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 149 states and 209 transitions. [2023-11-23 20:27:12,108 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 209 transitions. [2023-11-23 20:27:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:12,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:22,961 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 [] [2023-11-23 20:27:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 149 states and 210 transitions. [2023-11-23 20:27:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 210 transitions. [2023-11-23 20:27:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:23,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:27:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 152 states and 212 transitions. [2023-11-23 20:27:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 212 transitions. [2023-11-23 20:27:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:24,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:27:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 148 states and 204 transitions. [2023-11-23 20:27:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2023-11-23 20:27:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:24,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:27:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 151 states and 206 transitions. [2023-11-23 20:27:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2023-11-23 20:27:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:26,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:27:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 163 states and 218 transitions. [2023-11-23 20:27:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 218 transitions. [2023-11-23 20:27:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:30,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.