./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/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 f02026c0b67a920a713dd6b4959071a0c242f40322b796b34d547f7f18e26694 --- 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 16:49:12,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:12,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:12,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:12,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:12,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:12,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:12,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:12,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:12,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:12,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:12,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:12,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:12,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:12,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:12,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:12,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:12,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:12,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:12,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:12,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:12,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:12,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:12,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:12,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:12,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:12,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:12,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:12,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:12,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:12,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:12,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:12,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:12,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:12,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:12,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:12,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:12,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:12,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:12,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:12,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:12,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:12,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:12,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:12,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:12,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:12,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:12,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:12,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:12,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:12,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:12,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:12,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:12,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:12,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:12,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:12,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:12,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:12,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:12,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:12,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:12,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:12,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:12,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:12,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:12,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:12,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:12,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:12,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:12,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:12,791 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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02026c0b67a920a713dd6b4959071a0c242f40322b796b34d547f7f18e26694 [2022-10-17 16:49:13,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:13,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:13,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:13,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:13,060 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:13,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2022-10-17 16:49:13,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/data/3be3c700d/2c6ab73e8f034c099f1d7dd69e58299b/FLAGca80b1adc [2022-10-17 16:49:13,604 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:13,605 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2022-10-17 16:49:13,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/data/3be3c700d/2c6ab73e8f034c099f1d7dd69e58299b/FLAGca80b1adc [2022-10-17 16:49:14,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/data/3be3c700d/2c6ab73e8f034c099f1d7dd69e58299b [2022-10-17 16:49:14,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:14,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:14,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:14,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:14,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:14,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bcd98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14, skipping insertion in model container [2022-10-17 16:49:14,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:14,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:14,225 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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2022-10-17 16:49:14,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:14,238 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:14,252 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_0dc5cc88-8459-44c2-988a-10f0c7c08c52/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2022-10-17 16:49:14,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:14,266 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:14,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14 WrapperNode [2022-10-17 16:49:14,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:14,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:14,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:14,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:14,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,296 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:49:14,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:14,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:14,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:14,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:14,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,313 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:14,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:14,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:14,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:14,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:14,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:14,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:14,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:14,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:14,483 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:14,485 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:14,583 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:14,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:14,599 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:49:14,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:14 BoogieIcfgContainer [2022-10-17 16:49:14,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:14,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:14,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:14,614 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:14,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:14" (1/1) ... [2022-10-17 16:49:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:49:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:49:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:14,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:14,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:14,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:14,910 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:49:14,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:14 ImpRootNode [2022-10-17 16:49:14,933 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:14,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:14,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:14,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:14,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:14" (3/4) ... [2022-10-17 16:49:14,936 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:49:14,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:14,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:14,975 INFO L158 Benchmark]: Toolchain (without parser) took 958.49ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 54.8MB in the end (delta: 14.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-10-17 16:49:14,976 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:14,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 78.3MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:49:14,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.63ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:14,979 INFO L158 Benchmark]: Boogie Preprocessor took 17.77ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 76.2MB in the end (delta: 844.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:14,980 INFO L158 Benchmark]: RCFGBuilder took 286.87ms. Allocated memory is still 102.8MB. Free memory was 76.2MB in the beginning and 67.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:49:14,981 INFO L158 Benchmark]: CodeCheck took 329.48ms. Allocated memory is still 102.8MB. Free memory was 67.4MB in the beginning and 56.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:14,982 INFO L158 Benchmark]: Witness Printer took 40.49ms. Allocated memory is still 102.8MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:14,987 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] unsigned int plus_one = 1; [L7] int minus_one = -1; VAL [minus_one=-1, plus_one=1] [L9] COND TRUE plus_one < minus_one VAL [minus_one=-1, plus_one=1] [L14] reach_error() VAL [minus_one=-1, plus_one=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 78.3MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.63ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.77ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 76.2MB in the end (delta: 844.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.87ms. Allocated memory is still 102.8MB. Free memory was 76.2MB in the beginning and 67.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 329.48ms. Allocated memory is still 102.8MB. Free memory was 67.4MB in the beginning and 56.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 40.49ms. Allocated memory is still 102.8MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:49:15,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc5cc88-8459-44c2-988a-10f0c7c08c52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE