./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3 --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:49,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:49,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:49,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:49,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:49,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:49,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:49,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:49,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:49,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:49,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:49,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:49,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:49,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:49,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:49,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:49,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:49,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:49,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:49,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:49,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:49,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:49,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:49,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:49,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:49,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:49,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:49,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:49,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:49,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:49,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:49,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:49,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:49,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:49,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:49,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:50,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:50,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:50,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:50,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:50,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:50,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:50,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:50,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:50,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:50,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:50,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:50,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:50,060 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:50,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:50,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:50,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:50,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:50,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:50,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:50,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:50,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:50,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:50,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:50,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:50,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:50,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:50,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:50,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:50,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:50,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:50,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:50,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:50,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:50,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:50,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:50,068 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:50,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:50,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:50,069 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:50,069 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:50,069 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_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 [2021-11-07 04:56:50,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:50,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:50,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:50,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:50,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:50,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/pthread-wmm/safe004_tso.i [2021-11-07 04:56:50,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/data/99ca1c43d/d36201159f624415ad6435e2eaaa7661/FLAG46ad5677f [2021-11-07 04:56:50,998 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:51,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/sv-benchmarks/c/pthread-wmm/safe004_tso.i [2021-11-07 04:56:51,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/data/99ca1c43d/d36201159f624415ad6435e2eaaa7661/FLAG46ad5677f [2021-11-07 04:56:51,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/data/99ca1c43d/d36201159f624415ad6435e2eaaa7661 [2021-11-07 04:56:51,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:51,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:51,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:51,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:51,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:51,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ddf15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51, skipping insertion in model container [2021-11-07 04:56:51,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:51,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:51,521 WARN L228 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_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/sv-benchmarks/c/pthread-wmm/safe004_tso.i[945,958] [2021-11-07 04:56:51,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:51,760 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:51,774 WARN L228 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_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/sv-benchmarks/c/pthread-wmm/safe004_tso.i[945,958] [2021-11-07 04:56:51,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:51,846 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:51,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51 WrapperNode [2021-11-07 04:56:51,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:51,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:51,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:51,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:51,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:51,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:51,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:51,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:51,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:51,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:51,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:51,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:51,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:51,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:51,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 04:56:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-07 04:56:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-07 04:56:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-07 04:56:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-07 04:56:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-07 04:56:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-07 04:56:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 04:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:52,018 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 04:56:52,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:52,359 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 04:56:52,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52 BoogieIcfgContainer [2021-11-07 04:56:52,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:52,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:52,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:52,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:52,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:51" (1/3) ... [2021-11-07 04:56:52,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f7a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:52, skipping insertion in model container [2021-11-07 04:56:52,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (2/3) ... [2021-11-07 04:56:52,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f7a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:52, skipping insertion in model container [2021-11-07 04:56:52,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52" (3/3) ... [2021-11-07 04:56:52,369 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.i [2021-11-07 04:56:52,374 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:52,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:52,375 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:52,375 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:52,404 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,405 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,405 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,406 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,406 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,408 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,408 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,408 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,408 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,409 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,409 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,409 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,409 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,410 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,410 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,410 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,410 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,411 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,412 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,412 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,412 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,417 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,417 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,422 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,423 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,423 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,423 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,426 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,426 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,427 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,427 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,429 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-07 04:56:52,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:52,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:52,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:52,540 INFO L339 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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 04:56:52,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 04:56:52,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:52,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:52,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1156540724, now seen corresponding path program 1 times [2021-11-07 04:56:52,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:52,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529418748] [2021-11-07 04:56:52,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:52,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:53,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:53,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529418748] [2021-11-07 04:56:53,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529418748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:53,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:53,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:53,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141801523] [2021-11-07 04:56:53,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:53,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:53,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:53,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,056 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:53,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-07 04:56:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:53,095 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:53,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1496974853, now seen corresponding path program 1 times [2021-11-07 04:56:53,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890922604] [2021-11-07 04:56:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:53,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:53,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890922604] [2021-11-07 04:56:53,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890922604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:53,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:53,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:53,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014438123] [2021-11-07 04:56:53,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:53,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:53,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:53,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-11-07 04:56:53,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:53,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 04:56:53,530 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:53,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1659778057, now seen corresponding path program 1 times [2021-11-07 04:56:53,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378544869] [2021-11-07 04:56:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:53,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:53,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378544869] [2021-11-07 04:56:53,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378544869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:53,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:53,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 04:56:53,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948501267] [2021-11-07 04:56:53,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:53,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:53,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:53,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,748 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:53,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-11-07 04:56:53,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:53,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:53,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 04:56:53,980 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1262344958, now seen corresponding path program 1 times [2021-11-07 04:56:53,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867531330] [2021-11-07 04:56:53,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867531330] [2021-11-07 04:56:54,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867531330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 04:56:54,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069926119] [2021-11-07 04:56:54,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:54,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:54,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-11-07 04:56:54,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:54,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:54,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:54,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 04:56:54,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,184 INFO L85 PathProgramCache]: Analyzing trace with hash 289064526, now seen corresponding path program 1 times [2021-11-07 04:56:54,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348502582] [2021-11-07 04:56:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348502582] [2021-11-07 04:56:54,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348502582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:54,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188402220] [2021-11-07 04:56:54,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:54,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:54,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,321 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2021-11-07 04:56:54,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:54,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:54,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:55,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 04:56:55,046 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:55,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash 141739981, now seen corresponding path program 1 times [2021-11-07 04:56:55,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:55,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940504816] [2021-11-07 04:56:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:55,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:55,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:55,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940504816] [2021-11-07 04:56:55,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940504816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:55,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:55,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 04:56:55,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882364447] [2021-11-07 04:56:55,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 04:56:55,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:55,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 04:56:55,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 04:56:55,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:55,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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) [2021-11-07 04:56:55,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:55,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:55,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:55,331 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:55,331 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:55,331 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-07 04:56:55,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-07 04:56:55,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 04:56:55,339 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-07 04:56:55,341 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 04:56:55,341 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 04:56:55,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:56:55 BasicIcfg [2021-11-07 04:56:55,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 04:56:55,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 04:56:55,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 04:56:55,344 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 04:56:55,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52" (3/4) ... [2021-11-07 04:56:55,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 04:56:55,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-11-07 04:56:55,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-11-07 04:56:55,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-11-07 04:56:55,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-07 04:56:55,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 04:56:55,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 04:56:55,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 04:56:55,392 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/witness.graphml [2021-11-07 04:56:55,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 04:56:55,394 INFO L168 Benchmark]: Toolchain (without parser) took 4122.89 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 59.1 MB in the beginning and 81.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,394 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:55,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.54 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.8 MB in the beginning and 76.7 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.42 ms. Allocated memory is still 113.2 MB. Free memory was 76.7 MB in the beginning and 74.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,395 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:55,396 INFO L168 Benchmark]: RCFGBuilder took 414.90 ms. Allocated memory is still 113.2 MB. Free memory was 73.1 MB in the beginning and 60.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,396 INFO L168 Benchmark]: TraceAbstraction took 2980.55 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 60.5 MB in the beginning and 84.1 MB in the end (delta: -23.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,397 INFO L168 Benchmark]: Witness Printer took 48.68 ms. Allocated memory is still 136.3 MB. Free memory was 84.1 MB in the beginning and 81.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:55,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 574.54 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.8 MB in the beginning and 76.7 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.42 ms. Allocated memory is still 113.2 MB. Free memory was 76.7 MB in the beginning and 74.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 414.90 ms. Allocated memory is still 113.2 MB. Free memory was 73.1 MB in the beginning and 60.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2980.55 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 60.5 MB in the beginning and 84.1 MB in the end (delta: -23.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * Witness Printer took 48.68 ms. Allocated memory is still 136.3 MB. Free memory was 84.1 MB in the beginning and 81.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8408, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 318, negative conditional: 286, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8363, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 273, negative conditional: 241, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8363, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 273, negative conditional: 241, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 6506, positive unconditional: 1584, negative: 929, negative conditional: 656, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 2755, positive unconditional: 5335, negative: 929, negative conditional: 138, negative unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 2755, positive unconditional: 5335, negative: 929, negative conditional: 138, negative unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, positive: 1241, positive conditional: 26, positive unconditional: 1215, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, positive: 1209, positive conditional: 0, positive unconditional: 1209, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 188, positive: 65, positive conditional: 51, positive unconditional: 14, negative: 123, negative conditional: 19, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9019, positive: 6849, positive conditional: 2729, positive unconditional: 4120, negative: 887, negative conditional: 128, negative unconditional: 759, unknown: 1283, unknown conditional: 36, unknown unconditional: 1247] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1241, Positive conditional cache size: 26, Positive unconditional cache size: 1215, Negative cache size: 42, Negative conditional cache size: 10, Negative unconditional cache size: 32, Eliminated conditions: 4269, Maximal queried relation: 5, Independence queries for same thread: 45 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 298, Number of persistent set computation: 828, Number of trivial persistent sets: 332, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1247, positive: 1215, positive conditional: 0, positive unconditional: 1215, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8408, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 318, negative conditional: 286, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8363, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 273, negative conditional: 241, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8363, positive: 8090, positive conditional: 6875, positive unconditional: 1215, negative: 273, negative conditional: 241, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 6506, positive unconditional: 1584, negative: 929, negative conditional: 656, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 2755, positive unconditional: 5335, negative: 929, negative conditional: 138, negative unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9019, positive: 8090, positive conditional: 2755, positive unconditional: 5335, negative: 929, negative conditional: 138, negative unconditional: 791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, positive: 1241, positive conditional: 26, positive unconditional: 1215, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, positive: 1209, positive conditional: 0, positive unconditional: 1209, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 188, positive: 65, positive conditional: 51, positive unconditional: 14, negative: 123, negative conditional: 19, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9019, positive: 6849, positive conditional: 2729, positive unconditional: 4120, negative: 887, negative conditional: 128, negative unconditional: 759, unknown: 1283, unknown conditional: 36, unknown unconditional: 1247] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1241, Positive conditional cache size: 26, Positive unconditional cache size: 1215, Negative cache size: 42, Negative conditional cache size: 10, Negative unconditional cache size: 32, Eliminated conditions: 4269, Maximal queried relation: 5, Independence queries for same thread: 45 - 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: 18]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be correct! [2021-11-07 04:56:55,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:55,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1bd6ce-6492-4864-a916-a5f0272cf7e4/bin/ugemcutter-iGDDIIUDf3/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