./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH --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 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- 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-e04fb08 [2022-11-16 08:50:32,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:50:32,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:50:32,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:50:32,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:50:32,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:50:32,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:50:32,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:50:32,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:50:32,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:50:32,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:50:32,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:50:32,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:50:32,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:50:32,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:50:32,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:50:32,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:50:32,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:50:32,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:50:32,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:50:32,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:50:32,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:50:32,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:50:32,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:50:32,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:50:32,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:50:32,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:50:32,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:50:32,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:50:32,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:50:32,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:50:32,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:50:32,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:50:32,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:50:32,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:50:32,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:50:32,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:50:32,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:50:32,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:50:32,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:50:32,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:50:32,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:50:32,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:50:32,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:50:32,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:50:32,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:50:32,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:50:32,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:50:32,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:50:32,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:50:32,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:50:32,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:50:32,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:50:32,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:50:32,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:50:32,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:50:32,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:50:32,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:50:32,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:50:32,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:50:32,988 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:50:32,989 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:50:32,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:50:32,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:50:32,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:50:32,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:50:32,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:50:32,991 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:50:32,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:50:32,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:50:32,991 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_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2022-11-16 08:50:33,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:50:33,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:50:33,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:50:33,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:50:33,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:50:33,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-11-16 08:50:33,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/data/a31e1a0d9/5f1a33f46e6644cd93ac9f1fda230b46/FLAG675980e6a [2022-11-16 08:50:33,961 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:50:33,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-11-16 08:50:33,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/data/a31e1a0d9/5f1a33f46e6644cd93ac9f1fda230b46/FLAG675980e6a [2022-11-16 08:50:34,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/data/a31e1a0d9/5f1a33f46e6644cd93ac9f1fda230b46 [2022-11-16 08:50:34,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:50:34,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:50:34,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:50:34,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:50:34,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:50:34,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebeb470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34, skipping insertion in model container [2022-11-16 08:50:34,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:50:34,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:50:34,633 WARN L229 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_56b85e94-c7f3-4321-9385-3a0e00e553aa/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-11-16 08:50:34,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:50:34,694 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:50:34,712 WARN L229 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_56b85e94-c7f3-4321-9385-3a0e00e553aa/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-11-16 08:50:34,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:50:34,731 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:50:34,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34 WrapperNode [2022-11-16 08:50:34,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:50:34,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:50:34,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:50:34,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:50:34,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,781 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-11-16 08:50:34,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:50:34,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:50:34,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:50:34,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:50:34,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,807 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:50:34,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:50:34,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:50:34,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:50:34,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:34" (1/1) ... [2022-11-16 08:50:34,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:50:34,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:50:34,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:50:34,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:50:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:50:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:50:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:50:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:50:34,998 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:50:34,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:50:35,114 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:50:35,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:50:35,145 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:50:35,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:50:35 BoogieIcfgContainer [2022-11-16 08:50:35,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:50:35,150 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:50:35,150 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:50:35,163 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:50:35,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:50:35" (1/1) ... [2022-11-16 08:50:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:50:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:50:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2022-11-16 08:50:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-11-16 08:50:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:50:35,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:50:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:50:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:50:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:50:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:50:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-11-16 08:50:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-11-16 08:50:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 08:50:35,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:50:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:50:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:50:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:50:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:50:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-16 08:50:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-16 08:50:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:50:35,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:50:35,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:50:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:50:35,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 08:50:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:50:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:50:36,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 08:50:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:50:36,100 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-16 08:50:36,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 08:50:36 ImpRootNode [2022-11-16 08:50:36,141 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 08:50:36,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 08:50:36,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 08:50:36,145 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 08:50:36,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:50:35" (3/4) ... [2022-11-16 08:50:36,149 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 08:50:36,215 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 08:50:36,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 08:50:36,216 INFO L158 Benchmark]: Toolchain (without parser) took 1885.67ms. Allocated memory is still 134.2MB. Free memory was 94.7MB in the beginning and 71.3MB in the end (delta: 23.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,217 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:50:36,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.79ms. Allocated memory is still 134.2MB. Free memory was 94.5MB in the beginning and 109.0MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.30ms. Allocated memory is still 134.2MB. Free memory was 109.0MB in the beginning and 107.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,218 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 134.2MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 714.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:50:36,219 INFO L158 Benchmark]: RCFGBuilder took 333.17ms. Allocated memory is still 134.2MB. Free memory was 106.1MB in the beginning and 96.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,220 INFO L158 Benchmark]: CodeCheck took 991.53ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 72.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,220 INFO L158 Benchmark]: Witness Printer took 70.80ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 71.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:50:36,231 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] int i=0; VAL [i=0] [L15] COND TRUE i<5 [L16] i++ VAL [i=1] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=1] [L15] COND TRUE i<5 [L16] i++ VAL [i=2] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=2] [L15] COND TRUE i<5 [L16] i++ VAL [i=3] [L18] (i!=3) ? (0) : __blast_assert () [L18] CALL __blast_assert () [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.79ms. Allocated memory is still 134.2MB. Free memory was 94.5MB in the beginning and 109.0MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.30ms. Allocated memory is still 134.2MB. Free memory was 109.0MB in the beginning and 107.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.87ms. Allocated memory is still 134.2MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 714.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.17ms. Allocated memory is still 134.2MB. Free memory was 106.1MB in the beginning and 96.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 991.53ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 72.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 70.80ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 71.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 08:50:36,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b85e94-c7f3-4321-9385-3a0e00e553aa/bin/ukojak-CydTVMUXoH/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