./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.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_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/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_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/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_c00102ba-828b-4666-80f2-5fbc2645a97f/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 17ba764d4851428799f2c4794a4662e2753aae472d291b23839dac79bbfbab6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:14:42,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:14:42,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:14:42,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:14:42,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:14:42,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:14:42,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:14:42,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:14:42,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:14:42,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:14:42,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:14:42,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:14:42,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:14:42,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:14:42,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:14:42,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:14:42,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:14:42,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:14:42,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:14:42,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:14:42,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:14:42,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:14:42,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:14:42,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:14:42,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:14:42,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:14:42,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:14:42,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:14:42,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:14:42,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:14:42,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:14:42,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:14:42,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:14:42,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:14:42,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:14:42,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:14:42,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:14:42,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:14:42,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:14:42,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:14:42,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:14:42,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:14:42,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:14:42,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:14:42,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:14:42,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:14:42,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:14:42,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:14:42,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:14:42,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:14:42,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:14:42,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:14:42,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:14:42,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:14:42,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:14:42,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:14:42,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:14:42,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:14:42,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:14:42,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:14:42,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:14:42,730 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:14:42,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:14:42,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:42,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:14:42,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:14:42,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:14:42,732 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:14:42,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:14:42,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:14:42,732 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_c00102ba-828b-4666-80f2-5fbc2645a97f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ba764d4851428799f2c4794a4662e2753aae472d291b23839dac79bbfbab6d [2021-11-23 01:14:43,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:14:43,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:14:43,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:14:43,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:14:43,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:14:43,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2021-11-23 01:14:43,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/data/5c9a40078/eeec678f9ad345c09018311d991688c1/FLAGc642c1fb2 [2021-11-23 01:14:43,872 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:14:43,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2021-11-23 01:14:43,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/data/5c9a40078/eeec678f9ad345c09018311d991688c1/FLAGc642c1fb2 [2021-11-23 01:14:44,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/data/5c9a40078/eeec678f9ad345c09018311d991688c1 [2021-11-23 01:14:44,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:14:44,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:14:44,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:44,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:14:44,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:14:44,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d6c18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44, skipping insertion in model container [2021-11-23 01:14:44,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:14:44,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:14:44,570 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_c00102ba-828b-4666-80f2-5fbc2645a97f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c[9392,9405] [2021-11-23 01:14:44,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:44,585 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:14:44,643 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_c00102ba-828b-4666-80f2-5fbc2645a97f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c[9392,9405] [2021-11-23 01:14:44,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:44,662 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:14:44,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44 WrapperNode [2021-11-23 01:14:44,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:44,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:44,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:14:44,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:14:44,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,750 INFO L137 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 319 [2021-11-23 01:14:44,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:44,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:14:44,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:14:44,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:14:44,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:14:44,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:14:44,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:14:44,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:14:44,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:44" (1/1) ... [2021-11-23 01:14:44,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:14:44,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:14:44,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00102ba-828b-4666-80f2-5fbc2645a97f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:14:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:14:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:14:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:14:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:14:45,068 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:14:45,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:14:45,700 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:14:46,291 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:14:46,291 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:14:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:46 BoogieIcfgContainer [2021-11-23 01:14:46,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:14:46,296 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:14:46,296 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:14:46,307 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:14:46,308 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:46" (1/1) ... [2021-11-23 01:14:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:14:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:14:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:14:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:14:46,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:46,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:46,955 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 01:14:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 01:14:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 01:14:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:14:47,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:47,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:48,793 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 01:14:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2021-11-23 01:14:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2021-11-23 01:14:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:14:50,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:50,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2021-11-23 01:14:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2021-11-23 01:14:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:14:55,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,984 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 01:15:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 30 states and 83 transitions. [2021-11-23 01:15:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 83 transitions. [2021-11-23 01:15:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:36,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:36,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:45,148 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 01:15:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 31 states and 89 transitions. [2021-11-23 01:15:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 89 transitions. [2021-11-23 01:15:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:50,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 42 states and 140 transitions. [2021-11-23 01:17:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 140 transitions. [2021-11-23 01:17:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:39,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 43 states and 142 transitions. [2021-11-23 01:18:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 142 transitions. [2021-11-23 01:18:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:18:32,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 46 states and 156 transitions. [2021-11-23 01:19:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 156 transitions. [2021-11-23 01:19:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:19:27,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat