./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_cut_trace.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_cut_trace.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa918e27d73dead2f011063ee4df28e5f424dc3f0d36e3805fb1a8f2e9758de1 --- 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-4e7fbc6 [2022-11-23 02:34:07,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:34:07,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:34:07,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:34:07,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:34:07,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:34:07,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:34:07,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:34:07,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:34:07,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:34:07,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:34:07,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:34:07,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:34:07,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:34:07,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:34:07,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:34:07,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:34:07,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:34:07,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:34:07,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:34:07,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:34:07,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:34:07,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:34:07,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:34:07,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:34:07,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:34:07,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:34:07,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:34:07,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:34:07,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:34:07,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:34:07,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:34:07,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:34:07,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:34:07,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:34:07,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:34:07,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:34:07,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:34:07,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:34:07,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:34:07,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:34:07,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 02:34:07,950 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:34:07,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:34:07,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:34:07,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:34:07,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:34:07,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:34:07,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:34:07,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:34:07,954 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:34:07,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:34:07,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:34:07,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:34:07,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:34:07,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:34:07,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:34:07,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:34:07,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:34:07,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:34:07,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:34:07,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:34:07,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:34:07,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:34:07,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:34:07,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:34:07,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:34:07,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:34:07,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:34:07,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:34:07,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:34:07,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:34:07,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:34:07,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:34:07,960 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:34:07,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:34:07,961 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa918e27d73dead2f011063ee4df28e5f424dc3f0d36e3805fb1a8f2e9758de1 [2022-11-23 02:34:08,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:34:08,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:34:08,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:34:08,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:34:08,312 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:34:08,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-regression/test_cut_trace.i [2022-11-23 02:34:11,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:34:11,802 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:34:11,803 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/sv-benchmarks/c/ldv-regression/test_cut_trace.i [2022-11-23 02:34:11,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/data/965a9862f/52e57ef0272c4d0596c8ac3e4fc51961/FLAG0088672d4 [2022-11-23 02:34:11,841 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/data/965a9862f/52e57ef0272c4d0596c8ac3e4fc51961 [2022-11-23 02:34:11,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:34:11,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:34:11,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:34:11,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:34:11,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:34:11,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:11" (1/1) ... [2022-11-23 02:34:11,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f779e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:11, skipping insertion in model container [2022-11-23 02:34:11,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:11" (1/1) ... [2022-11-23 02:34:11,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:34:11,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:34:12,078 WARN L237 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_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/sv-benchmarks/c/ldv-regression/test_cut_trace.i[296,309] [2022-11-23 02:34:12,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:34:12,106 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:34:12,120 WARN L237 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_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/sv-benchmarks/c/ldv-regression/test_cut_trace.i[296,309] [2022-11-23 02:34:12,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:34:12,138 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:34:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12 WrapperNode [2022-11-23 02:34:12,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:34:12,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:34:12,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:34:12,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:34:12,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,186 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-23 02:34:12,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:34:12,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:34:12,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:34:12,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:34:12,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:34:12,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:34:12,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:34:12,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:34:12,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (1/1) ... [2022-11-23 02:34:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:34:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:34:12,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:34:12,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:34:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:34:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2022-11-23 02:34:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2022-11-23 02:34:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:34:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:34:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:34:12,406 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:34:12,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:34:12,525 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:34:12,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:34:12,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:34:12,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:12 BoogieIcfgContainer [2022-11-23 02:34:12,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:34:12,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:34:12,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:34:12,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:34:12,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:11" (1/3) ... [2022-11-23 02:34:12,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a825c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:12, skipping insertion in model container [2022-11-23 02:34:12,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:12" (2/3) ... [2022-11-23 02:34:12,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a825c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:12, skipping insertion in model container [2022-11-23 02:34:12,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:12" (3/3) ... [2022-11-23 02:34:12,558 INFO L112 eAbstractionObserver]: Analyzing ICFG test_cut_trace.i [2022-11-23 02:34:12,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:34:12,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:34:12,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:34:12,701 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1cadf84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:34:12,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:34:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.3) internal successors, (13), 13 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:34:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 02:34:12,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:34:12,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:34:12,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:34:12,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:34:12,727 INFO L85 PathProgramCache]: Analyzing trace with hash 31559054, now seen corresponding path program 1 times [2022-11-23 02:34:12,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:34:12,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248250941] [2022-11-23 02:34:12,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:34:12,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:34:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:34:13,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:34:13,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248250941] [2022-11-23 02:34:13,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248250941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:34:13,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:34:13,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:34:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72503676] [2022-11-23 02:34:13,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:34:13,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:34:13,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:34:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:34:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:34:13,068 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.3) internal successors, (13), 13 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:34:13,105 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-23 02:34:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:34:13,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 02:34:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:34:13,113 INFO L225 Difference]: With dead ends: 24 [2022-11-23 02:34:13,113 INFO L226 Difference]: Without dead ends: 8 [2022-11-23 02:34:13,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:34:13,121 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:34:13,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:34:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-23 02:34:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-23 02:34:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-23 02:34:13,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 5 [2022-11-23 02:34:13,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:34:13,155 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-23 02:34:13,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-23 02:34:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 02:34:13,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:34:13,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:34:13,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:34:13,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:34:13,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:34:13,158 INFO L85 PathProgramCache]: Analyzing trace with hash 261293423, now seen corresponding path program 1 times [2022-11-23 02:34:13,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:34:13,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848326875] [2022-11-23 02:34:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:34:13,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:34:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:34:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:34:13,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848326875] [2022-11-23 02:34:13,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848326875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:34:13,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:34:13,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:34:13,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271475019] [2022-11-23 02:34:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:34:13,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:34:13,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:34:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:34:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:34:13,230 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:34:13,248 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-11-23 02:34:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:34:13,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 02:34:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:34:13,249 INFO L225 Difference]: With dead ends: 8 [2022-11-23 02:34:13,250 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:34:13,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:34:13,252 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:34:13,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:34:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:34:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:34:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:34:13,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-11-23 02:34:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:34:13,255 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:34:13,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:34:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:34:13,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:34:13,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:34:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:34:13,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:34:13,278 INFO L899 garLoopResultBuilder]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2022-11-23 02:34:13,278 INFO L899 garLoopResultBuilder]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2022-11-23 02:34:13,278 INFO L899 garLoopResultBuilder]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2022-11-23 02:34:13,279 INFO L902 garLoopResultBuilder]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2022-11-23 02:34:13,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:34:13,279 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:34:13,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:34:13,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:34:13,280 INFO L895 garLoopResultBuilder]: At program point L21(lines 15 22) the Hoare annotation is: (= |ULTIMATE.start_main_~z~0#1| 0) [2022-11-23 02:34:13,280 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-23 02:34:13,280 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-11-23 02:34:13,281 INFO L895 garLoopResultBuilder]: At program point L20-2(line 20) the Hoare annotation is: false [2022-11-23 02:34:13,281 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-23 02:34:13,281 INFO L895 garLoopResultBuilder]: At program point L18-2(line 18) the Hoare annotation is: false [2022-11-23 02:34:13,281 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-11-23 02:34:13,285 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 02:34:13,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:34:13,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:34:13 BoogieIcfgContainer [2022-11-23 02:34:13,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:34:13,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:34:13,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:34:13,305 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:34:13,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:12" (3/4) ... [2022-11-23 02:34:13,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:34:13,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2022-11-23 02:34:13,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 02:34:13,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 02:34:13,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 02:34:13,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:34:13,395 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:34:13,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:34:13,397 INFO L158 Benchmark]: Toolchain (without parser) took 1543.71ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 52.2MB in the beginning and 85.2MB in the end (delta: -33.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:34:13,397 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 93.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:34:13,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.71ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 52.0MB in the beginning and 122.9MB in the end (delta: -70.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.22ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 125.0MB in the end (delta: -2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,412 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 153.1MB. Free memory was 125.0MB in the beginning and 123.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,412 INFO L158 Benchmark]: RCFGBuilder took 302.21ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 115.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,413 INFO L158 Benchmark]: TraceAbstraction took 766.34ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 87.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,414 INFO L158 Benchmark]: Witness Printer took 91.16ms. Allocated memory is still 153.1MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:34:13,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 93.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.71ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 52.0MB in the beginning and 122.9MB in the end (delta: -70.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.22ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 125.0MB in the end (delta: -2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 153.1MB. Free memory was 125.0MB in the beginning and 123.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.21ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 115.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 766.34ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 87.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 91.16ms. Allocated memory is still 153.1MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 6 PreInvPairs, 7 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: z == 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 02:34:13,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce442bc6-cb99-4e68-8582-ae6fb382a9d9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE