./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB --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 52fc70d7844651686a4c27e057f507f0498e7d5f7c17f07a035699d1630f6ea2 --- 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-dbf71c6-m [2022-10-17 16:34:59,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:59,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:59,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:59,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:59,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:59,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:59,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:59,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:59,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:59,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:59,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:59,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:59,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:59,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:59,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:59,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:59,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:59,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:59,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:59,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:59,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:59,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:59,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:59,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:59,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:59,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:59,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:59,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:59,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:59,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:59,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:59,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:59,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:59,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:59,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:59,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:59,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:59,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:59,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:59,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:59,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:59,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:59,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:59,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:59,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:59,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:59,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:59,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:59,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:59,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:59,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:59,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:59,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:59,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:59,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:59,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:59,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:59,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:59,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:59,809 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:59,809 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:59,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:59,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:59,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:59,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:59,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:59,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:59,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:59,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:59,812 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52fc70d7844651686a4c27e057f507f0498e7d5f7c17f07a035699d1630f6ea2 [2022-10-17 16:35:00,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:00,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:00,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:00,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:00,150 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:00,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-reverse.i [2022-10-17 16:35:00,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/data/2b135aa79/1973bbacfb5b452bbf4d89eb3724a936/FLAG0477fe67a [2022-10-17 16:35:00,784 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:00,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i [2022-10-17 16:35:00,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/data/2b135aa79/1973bbacfb5b452bbf4d89eb3724a936/FLAG0477fe67a [2022-10-17 16:35:01,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/data/2b135aa79/1973bbacfb5b452bbf4d89eb3724a936 [2022-10-17 16:35:01,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:01,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:01,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:01,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:01,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:01,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff20458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01, skipping insertion in model container [2022-10-17 16:35:01,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:01,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:01,451 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22309,22322] [2022-10-17 16:35:01,456 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22394,22407] [2022-10-17 16:35:01,471 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22924,22937] [2022-10-17 16:35:01,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:01,490 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:01,557 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22309,22322] [2022-10-17 16:35:01,563 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22394,22407] [2022-10-17 16:35:01,569 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_59175fc8-acc5-4a33-870a-5ddc82be2dc4/sv-benchmarks/c/forester-heap/dll-reverse.i[22924,22937] [2022-10-17 16:35:01,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:01,602 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:01,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01 WrapperNode [2022-10-17 16:35:01,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:01,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:01,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:01,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:01,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,649 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 144 [2022-10-17 16:35:01,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:01,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:01,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:01,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:01,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,680 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:01,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:01,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:01,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:01,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:01,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:01,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:01,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59175fc8-acc5-4a33-870a-5ddc82be2dc4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:35:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:35:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:35:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:35:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:35:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:01,892 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:01,894 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:02,263 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:02,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:02,381 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:35:02,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:02 BoogieIcfgContainer [2022-10-17 16:35:02,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:02,385 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:02,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:02,424 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:02,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:35:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:35:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:02,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:02,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-10-17 16:35:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-10-17 16:35:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:02,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-10-17 16:35:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-10-17 16:35:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:03,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-10-17 16:35:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-10-17 16:35:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:35:03,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:04,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2022-10-17 16:35:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2022-10-17 16:35:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:04,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-10-17 16:35:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-10-17 16:35:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:05,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:05,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2022-10-17 16:35:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2022-10-17 16:35:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:08,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2022-10-17 16:35:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2022-10-17 16:35:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:15,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2022-10-17 16:35:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2022-10-17 16:35:16,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:16,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:16,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 111 transitions. [2022-10-17 16:35:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 111 transitions. [2022-10-17 16:35:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:16,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2022-10-17 16:35:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2022-10-17 16:35:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:35:17,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2022-10-17 16:35:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2022-10-17 16:35:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:35:20,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2022-10-17 16:35:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2022-10-17 16:35:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:35:22,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2022-10-17 16:35:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2022-10-17 16:35:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:35:27,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat