./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms2.c --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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/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 125fe310e2ae1e5a109eb21d52d95bf156448ac6c5b2e6793bd0b6f80e48ce1d --- 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 16:30:07,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:07,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:07,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:07,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:07,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:07,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:07,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:07,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:07,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:07,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:07,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:07,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:07,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:07,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:07,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:07,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:07,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:07,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:07,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:07,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:07,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:07,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:07,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:07,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:07,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:07,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:07,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:07,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:07,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:07,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:07,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:07,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:07,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:07,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:07,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:07,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:07,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:07,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:07,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:07,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:07,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:07,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:07,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:07,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:07,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:07,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:07,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:07,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:07,866 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:07,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:07,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:07,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:07,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:07,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:07,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:07,868 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:07,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:07,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:07,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:07,869 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:07,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:07,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:07,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:07,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:07,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:07,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:07,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:07,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:07,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:07,873 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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 125fe310e2ae1e5a109eb21d52d95bf156448ac6c5b2e6793bd0b6f80e48ce1d [2022-10-17 16:30:08,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:08,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:08,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:08,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:08,208 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:08,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ms2.c [2022-10-17 16:30:08,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/data/f50d9bf06/321146c355534c458805305057b0579a/FLAGd91ce9e31 [2022-10-17 16:30:08,804 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:08,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/sv-benchmarks/c/array-fpi/ms2.c [2022-10-17 16:30:08,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/data/f50d9bf06/321146c355534c458805305057b0579a/FLAGd91ce9e31 [2022-10-17 16:30:09,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/data/f50d9bf06/321146c355534c458805305057b0579a [2022-10-17 16:30:09,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:09,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:09,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:09,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:09,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:09,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3e5536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09, skipping insertion in model container [2022-10-17 16:30:09,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:09,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:09,397 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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/sv-benchmarks/c/array-fpi/ms2.c[586,599] [2022-10-17 16:30:09,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:09,435 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:09,452 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_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/sv-benchmarks/c/array-fpi/ms2.c[586,599] [2022-10-17 16:30:09,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:09,490 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:09,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09 WrapperNode [2022-10-17 16:30:09,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:09,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:09,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:09,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:09,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,549 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-10-17 16:30:09,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:09,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:09,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:09,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:09,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:09,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:09,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:09,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:09,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:09" (1/1) ... [2022-10-17 16:30:09,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:09,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:09,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7ba24a9-a6fa-4626-bd9e-9daf2b05adb9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:30:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:09,760 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:09,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:09,990 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:10,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:10,057 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:30:10,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:10 BoogieIcfgContainer [2022-10-17 16:30:10,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:10,061 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:10,061 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:10,087 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:10,087 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:10" (1/1) ... [2022-10-17 16:30:10,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:30:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:30:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:10,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:10,553 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 16:30:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:30:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:30:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:10,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:30:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:30:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:30:10,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:30:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:30:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:30:11,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 16:30:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 16:30:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:30:11,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:11,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2022-10-17 16:30:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2022-10-17 16:30:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:14,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:14,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 24 states and 48 transitions. [2022-10-17 16:30:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 48 transitions. [2022-10-17 16:30:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:15,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 63 transitions. [2022-10-17 16:30:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 63 transitions. [2022-10-17 16:30:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:18,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:18,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 30 states and 70 transitions. [2022-10-17 16:30:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 70 transitions. [2022-10-17 16:30:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:20,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:20,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 31 states and 72 transitions. [2022-10-17 16:30:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 72 transitions. [2022-10-17 16:30:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:21,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 35 states and 89 transitions. [2022-10-17 16:30:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 89 transitions. [2022-10-17 16:30:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:26,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2022-10-17 16:30:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2022-10-17 16:30:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:30:31,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 43 states and 118 transitions. [2022-10-17 16:30:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 118 transitions. [2022-10-17 16:30:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.