./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:56,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:56,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:56,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:56,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:56,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:56,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:56,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:56,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:56,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:56,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:56,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:56,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:56,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:56,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:56,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:56,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:56,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:56,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:56,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:56,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:56,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:56,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:56,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:56,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:56,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:56,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:56,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:56,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:56,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:56,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:56,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:56,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:56,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:56,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:56,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:56,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:56,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:56,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:56,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:56,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:56,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:56,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:56,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:56,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:56,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:56,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:56,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:56,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:56,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:56,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:56,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:56,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:56,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:56,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:56,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:56,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:56,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:56,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:56,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:56,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:56,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:56,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:56,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:56,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:56,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:56,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:56,748 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:56,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:56,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:56,749 INFO L138 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_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e [2021-11-23 00:57:57,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:57,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:57,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:57,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:57,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:57,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2021-11-23 00:57:57,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/data/0b1cea49e/281604d5b1d94f088e4fe90b7f9df4f9/FLAGdf9e0dd63 [2021-11-23 00:57:57,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:57,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2021-11-23 00:57:57,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/data/0b1cea49e/281604d5b1d94f088e4fe90b7f9df4f9/FLAGdf9e0dd63 [2021-11-23 00:57:57,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/data/0b1cea49e/281604d5b1d94f088e4fe90b7f9df4f9 [2021-11-23 00:57:58,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:58,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:58,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:58,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:58,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:58,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199b0f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58, skipping insertion in model container [2021-11-23 00:57:58,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:58,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:58,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2021-11-23 00:57:58,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:58,372 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:58,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2021-11-23 00:57:58,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:58,490 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58 WrapperNode [2021-11-23 00:57:58,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:58,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:58,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:58,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:58,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,579 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 319 [2021-11-23 00:57:58,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:58,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:58,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:58,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:58,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:58,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:58,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:58,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:58,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:58" (1/1) ... [2021-11-23 00:57:58,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:58,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:58,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876dcada-94b7-49dd-9a22-59c1da124a5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:58,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:58,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:59,351 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:59,770 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:59,770 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:57:59,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:59 BoogieIcfgContainer [2021-11-23 00:57:59,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:59,774 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:59,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:59,785 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:59,786 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:59" (1/1) ... [2021-11-23 00:57:59,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 00:57:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 00:57:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:57:59,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:59,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 00:58:00,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 00:58:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:58:00,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:00,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 00:58:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 00:58:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:58:04,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2021-11-23 00:58:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2021-11-23 00:58:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2021-11-23 00:59:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2021-11-23 00:59:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:22,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:22,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2021-11-23 01:00:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2021-11-23 01:00:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:00:02,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:00:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 85 transitions. [2021-11-23 01:00:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2021-11-23 01:00:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:00:35,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat