./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2 --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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:04,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:04,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:04,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:04,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:04,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:04,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:04,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:04,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:04,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:04,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:04,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:04,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:04,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:04,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:04,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:04,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:04,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:04,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:04,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:04,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:04,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:04,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:04,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:04,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:04,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:04,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:04,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:04,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:04,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:04,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:04,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:04,806 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:04,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:04,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:04,806 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_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2023-11-21 18:41:05,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:05,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:05,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:05,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:05,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:05,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-11-21 18:41:08,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:08,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:08,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-11-21 18:41:08,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/data/be6a9b286/e55c8b05de82414ba829783355741f07/FLAG16cfa577e [2023-11-21 18:41:08,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/data/be6a9b286/e55c8b05de82414ba829783355741f07 [2023-11-21 18:41:08,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:08,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:08,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:08,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:08,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:08,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:08" (1/1) ... [2023-11-21 18:41:08,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccf07a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:08, skipping insertion in model container [2023-11-21 18:41:08,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:08" (1/1) ... [2023-11-21 18:41:08,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:09,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:09,275 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:09,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:09,468 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:09,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09 WrapperNode [2023-11-21 18:41:09,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:09,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:09,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:09,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:09,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,563 INFO L138 Inliner]: procedures = 145, calls = 290, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 408 [2023-11-21 18:41:09,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:09,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:09,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:09,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:09,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:09,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:09,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:09,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:09,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:09" (1/1) ... [2023-11-21 18:41:09,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:09,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:09,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:09,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0905c-e98f-4a28-af46-aac3a540dd41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:41:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:41:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-21 18:41:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-21 18:41:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-21 18:41:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-21 18:41:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:41:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:41:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:41:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-21 18:41:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-21 18:41:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:10,017 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:10,019 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:20,869 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:21,007 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:21,008 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:21,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:21 BoogieIcfgContainer [2023-11-21 18:41:21,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:21,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:21,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:21,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:21,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 142 transitions. [2023-11-21 18:41:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2023-11-21 18:41:21,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:21,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,726 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 [] [2023-11-21 18:41:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2023-11-21 18:41:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2023-11-21 18:41:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:31,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 146 transitions. [2023-11-21 18:41:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2023-11-21 18:41:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:32,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:42,551 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 [] [2023-11-21 18:41:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 107 states and 147 transitions. [2023-11-21 18:41:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 147 transitions. [2023-11-21 18:41:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:42,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2023-11-21 18:41:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2023-11-21 18:41:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:43,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2023-11-21 18:41:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2023-11-21 18:41:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:43,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2023-11-21 18:41:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2023-11-21 18:41:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:43,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2023-11-21 18:41:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2023-11-21 18:41:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:44,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2023-11-21 18:41:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2023-11-21 18:41:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:45,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 115 states and 155 transitions. [2023-11-21 18:41:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2023-11-21 18:41:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:45,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:56,660 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 [] [2023-11-21 18:41:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 115 states and 156 transitions. [2023-11-21 18:41:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2023-11-21 18:41:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:56,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 118 states and 158 transitions. [2023-11-21 18:41:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2023-11-21 18:41:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:57,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:41:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2023-11-21 18:41:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2023-11-21 18:41:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:58,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:58,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:42:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 133 states and 172 transitions. [2023-11-21 18:42:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2023-11-21 18:42:02,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:42:02,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:42:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 132 states and 171 transitions. [2023-11-21 18:42:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2023-11-21 18:42:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:42:06,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:42:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 131 states and 170 transitions. [2023-11-21 18:42:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-11-21 18:42:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:42:06,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:42:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 130 states and 169 transitions. [2023-11-21 18:42:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2023-11-21 18:42:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:42:07,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 73 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.