./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.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_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/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_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/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_465035e6-476c-46d2-98cc-171145541f0e/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 ab4ce27c037a23a1acb050e4e5e47861985f2a45717e88488eff45dc32b3cf64 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:49,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:49,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:49,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:49,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:49,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:49,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:49,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:49,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:49,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:49,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:49,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:49,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:49,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:49,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:49,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:49,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:49,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:49,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:49,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:49,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:49,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:49,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:49,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:49,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:49,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:49,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:49,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:49,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:49,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:49,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:49,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:49,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:49,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:49,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:49,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:49,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:49,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:49,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:49,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:49,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:49,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:35:49,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:49,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:49,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:35:49,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:35:49,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:49,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:49,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:49,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:49,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:49,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:49,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:49,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:35:49,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:49,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:35:49,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:49,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:35:49,791 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:49,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:35:49,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:49,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:49,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:49,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:49,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:49,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:49,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:35:49,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:49,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:49,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:35:49,795 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_465035e6-476c-46d2-98cc-171145541f0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab4ce27c037a23a1acb050e4e5e47861985f2a45717e88488eff45dc32b3cf64 [2021-11-23 00:35:50,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:50,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:50,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:50,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:50,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:50,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c [2021-11-23 00:35:50,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/data/f0818856f/7c3b5d5cf8874f4aa194c6fc8300e121/FLAGcf29c9105 [2021-11-23 00:35:50,792 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:50,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c [2021-11-23 00:35:50,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/data/f0818856f/7c3b5d5cf8874f4aa194c6fc8300e121/FLAGcf29c9105 [2021-11-23 00:35:51,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/data/f0818856f/7c3b5d5cf8874f4aa194c6fc8300e121 [2021-11-23 00:35:51,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:51,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:51,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:51,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:51,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:51,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54caa4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51, skipping insertion in model container [2021-11-23 00:35:51,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:51,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:51,560 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_465035e6-476c-46d2-98cc-171145541f0e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c[12667,12680] [2021-11-23 00:35:51,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:51,573 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:51,695 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_465035e6-476c-46d2-98cc-171145541f0e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c[12667,12680] [2021-11-23 00:35:51,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:51,713 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:51,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51 WrapperNode [2021-11-23 00:35:51,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:51,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:51,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:51,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:51,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,768 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 382 [2021-11-23 00:35:51,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:51,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:51,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:51,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:51,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:51,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:51,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:51,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:51,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:51" (1/1) ... [2021-11-23 00:35:51,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:51,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:51,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:51,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465035e6-476c-46d2-98cc-171145541f0e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:52,063 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:52,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:52,709 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:53,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:53,376 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:35:53,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:53 BoogieIcfgContainer [2021-11-23 00:35:53,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:53,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:53,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:53,391 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:53,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:53" (1/1) ... [2021-11-23 00:35:53,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 00:35:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 00:35:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:53,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,215 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 00:35:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 00:35:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 00:35:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:54,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:54,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,773 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 00:35:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 00:35:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 00:35:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:35:58,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,119 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 00:36:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2021-11-23 00:36:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2021-11-23 00:36:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:36:01,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,124 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 00:36:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 27 states and 54 transitions. [2021-11-23 00:36:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 54 transitions. [2021-11-23 00:36:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:36:34,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:42,577 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 00:36:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2021-11-23 00:36:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2021-11-23 00:36:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:36:44,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:44,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2021-11-23 00:36:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2021-11-23 00:36:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:53,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:53,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat