./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina4f.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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/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 4e568115ab37514ce4d1cc7d9471baa0668b07bc729fc18b545852f01c4086e0 --- 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 16:30:05,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:05,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:05,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:05,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:05,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:05,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:05,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:05,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:05,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:05,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:05,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:05,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:05,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:05,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:05,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:05,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:05,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:05,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:05,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:05,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:05,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:05,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:05,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:05,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:05,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:05,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:05,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:05,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:05,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:05,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:05,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:05,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:05,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:05,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:05,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:05,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:05,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:05,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:05,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:05,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:05,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:05,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:05,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:05,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:05,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:05,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:05,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:05,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:05,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:05,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:05,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:05,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:05,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:05,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:05,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:05,870 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:05,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:05,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:05,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:05,871 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:05,872 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:05,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:05,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:05,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:05,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:05,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:05,873 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:05,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:05,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:05,874 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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e568115ab37514ce4d1cc7d9471baa0668b07bc729fc18b545852f01c4086e0 [2022-10-17 16:30:06,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:06,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:06,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:06,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:06,191 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:06,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/sina4f.c [2022-10-17 16:30:06,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/data/5ba7830d9/90c838ca360c418a82cacb2acba087e3/FLAG823c7d37f [2022-10-17 16:30:06,845 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:06,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/sv-benchmarks/c/array-fpi/sina4f.c [2022-10-17 16:30:06,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/data/5ba7830d9/90c838ca360c418a82cacb2acba087e3/FLAG823c7d37f [2022-10-17 16:30:07,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/data/5ba7830d9/90c838ca360c418a82cacb2acba087e3 [2022-10-17 16:30:07,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:07,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:07,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:07,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:07,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:07,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6713011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07, skipping insertion in model container [2022-10-17 16:30:07,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:07,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:07,401 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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/sv-benchmarks/c/array-fpi/sina4f.c[589,602] [2022-10-17 16:30:07,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:07,460 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:07,475 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_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/sv-benchmarks/c/array-fpi/sina4f.c[589,602] [2022-10-17 16:30:07,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:07,529 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:07,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07 WrapperNode [2022-10-17 16:30:07,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:07,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:07,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:07,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:07,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,609 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2022-10-17 16:30:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:07,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:07,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:07,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:07,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:07,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:07,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:07,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:07,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:07" (1/1) ... [2022-10-17 16:30:07,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:07,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:30:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:07,895 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:07,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:08,103 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:08,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:08,164 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:30:08,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:08 BoogieIcfgContainer [2022-10-17 16:30:08,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:08,168 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:08,168 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:08,180 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:08,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:08" (1/1) ... [2022-10-17 16:30:08,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 16:30:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 16:30:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:30:08,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:08,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:08,674 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 16:30:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:30:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:30:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:30:08,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:09,022 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 16:30:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:30:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:30:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:09,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:09,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:09,234 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 16:30:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:30:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:30:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:09,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:09,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:30:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 16:30:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 16:30:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:09,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:09,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:30:09,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:30:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:30:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:30:09,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:30:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:30:09,710 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-10-17 16:30:09,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:30:09 ImpRootNode [2022-10-17 16:30:09,752 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:30:09,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:30:09,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:30:09,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:30:09,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:08" (3/4) ... [2022-10-17 16:30:09,756 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:30:09,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801aa1c3-b4c9-45c8-bea5-3d7bf90d2f26/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:30:09,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:30:09,866 INFO L158 Benchmark]: Toolchain (without parser) took 2693.23ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 81.6MB in the end (delta: -25.8MB). Peak memory consumption was 522.1kB. Max. memory is 16.1GB. [2022-10-17 16:30:09,866 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:09,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.83ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 66.6MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:30:09,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.15ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 65.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:09,868 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 92.3MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:09,869 INFO L158 Benchmark]: RCFGBuilder took 506.55ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 47.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:30:09,870 INFO L158 Benchmark]: CodeCheck took 1584.41ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 47.9MB in the beginning and 84.5MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:09,870 INFO L158 Benchmark]: Witness Printer took 111.76ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 81.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:09,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 20 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [a={-2:0}, b={-1:0}, i=0, N=1, sum={7178:0}] [L33] COND TRUE i