./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ --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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:12:09,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:12:09,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:12:09,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:12:09,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:12:09,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:12:09,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:12:09,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:12:09,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:12:09,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:12:09,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:12:09,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:12:09,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:12:09,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:12:09,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:12:09,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:12:09,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:12:09,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:12:09,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:12:09,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:12:09,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:12:09,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:12:09,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:12:09,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:12:09,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:12:09,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:12:09,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:12:09,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:12:09,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:12:09,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:12:09,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:12:09,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:12:09,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:12:09,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:12:09,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:12:09,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:12:09,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:12:09,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:12:09,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:12:09,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:12:09,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:12:09,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:12:09,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:12:09,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:12:09,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:12:09,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:12:09,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:12:09,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:12:09,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:12:09,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:12:09,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:12:09,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:12:09,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:12:09,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:12:09,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:12:09,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:12:09,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:12:09,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:12:09,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:12:09,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:12:09,641 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:12:09,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:12:09,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:12:09,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:09,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:12:09,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:12:09,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:12:09,643 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:12:09,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:12:09,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:12:09,644 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_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2022-11-20 17:12:09,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:12:09,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:12:09,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:12:09,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:12:09,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:12:09,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:12:13,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:12:13,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:12:13,340 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:12:13,354 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/data/876988a63/788b3f5379204d80bab00cf29464e255/FLAG88521adba [2022-11-20 17:12:13,376 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/data/876988a63/788b3f5379204d80bab00cf29464e255 [2022-11-20 17:12:13,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:12:13,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:12:13,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:13,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:12:13,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:12:13,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6668c07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13, skipping insertion in model container [2022-11-20 17:12:13,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:12:13,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:12:13,692 WARN L237 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_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-11-20 17:12:13,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:13,710 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:12:13,762 WARN L237 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_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-11-20 17:12:13,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:13,778 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:12:13,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13 WrapperNode [2022-11-20 17:12:13,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:13,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:13,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:12:13,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:12:13,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,830 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 309 [2022-11-20 17:12:13,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:13,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:12:13,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:12:13,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:12:13,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:12:13,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:12:13,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:12:13,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:12:13,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:13" (1/1) ... [2022-11-20 17:12:13,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:13,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:12:13,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:12:13,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfaa2fa7-f65b-4a07-b979-e2bdbe29f324/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:12:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:12:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:12:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:12:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:12:14,125 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:12:14,141 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:12:14,622 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:12:15,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:12:15,213 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:12:15,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:15 BoogieIcfgContainer [2022-11-20 17:12:15,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:12:15,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:12:15,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:12:15,230 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:12:15,230 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:15" (1/1) ... [2022-11-20 17:12:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:12:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-20 17:12:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-20 17:12:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:12:15,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-20 17:12:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-20 17:12:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:12:17,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:17,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-20 17:12:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-20 17:12:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:12:18,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:18,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-20 17:12:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-20 17:12:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:12:19,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-11-20 17:12:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-11-20 17:12:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:12:20,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-11-20 17:12:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-11-20 17:12:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:31,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:31,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:36,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2022-11-20 17:12:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2022-11-20 17:12:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:36,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-11-20 17:12:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-11-20 17:12:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:48,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2022-11-20 17:13:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2022-11-20 17:13:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:13:01,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:01,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 79 states and 141 transitions. [2022-11-20 17:13:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 141 transitions. [2022-11-20 17:13:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:13:15,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 85 states and 151 transitions. [2022-11-20 17:13:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2022-11-20 17:13:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:13:21,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 94 states and 173 transitions. [2022-11-20 17:13:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2022-11-20 17:13:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:13:36,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:36,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 100 states and 183 transitions. [2022-11-20 17:13:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 183 transitions. [2022-11-20 17:13:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:13:40,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 108 states and 198 transitions. [2022-11-20 17:13:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 198 transitions. [2022-11-20 17:13:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:13:48,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:48,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 133 states and 259 transitions. [2022-11-20 17:16:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 259 transitions. [2022-11-20 17:16:45,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:16:45,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:45,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:25,551 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 158 states and 318 transitions. [2022-11-20 17:19:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 318 transitions. [2022-11-20 17:19:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:19:49,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat