./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm --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 c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:06:33,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:06:33,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:06:33,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:06:33,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:06:33,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:06:33,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:06:33,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:06:33,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:06:33,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:06:33,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:06:33,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:06:33,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:06:33,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:06:33,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:06:33,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:06:33,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:06:33,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:06:33,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:06:33,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:06:33,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:06:33,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:06:33,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:06:33,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:06:33,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:06:33,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:06:33,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:06:33,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:06:33,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:06:33,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:06:33,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:06:33,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:06:33,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:06:33,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:06:33,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:06:33,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:06:33,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:06:33,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:06:33,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:06:33,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:06:33,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:06:33,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:06:33,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:06:33,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:06:33,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:06:33,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:06:33,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:06:33,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:06:33,964 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:06:33,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:06:33,964 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:06:33,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:06:33,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:06:33,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:06:33,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:06:33,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:06:33,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:06:33,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:06:33,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:06:33,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:06:33,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:06:33,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:06:33,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:06:33,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:06:33,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:06:33,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:33,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:06:33,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:06:33,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:06:33,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:06:33,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:06:33,972 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:06:33,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:06:33,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:06:33,973 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:06:33,973 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:06:33,973 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_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2021-11-02 22:06:34,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:06:34,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:06:34,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:06:34,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:06:34,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:06:34,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-02 22:06:34,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/data/3cc6d7101/ac5efc3dca3d4ea39c5c107d54af35ad/FLAG42c4ce7eb [2021-11-02 22:06:34,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:06:34,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-02 22:06:34,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/data/3cc6d7101/ac5efc3dca3d4ea39c5c107d54af35ad/FLAG42c4ce7eb [2021-11-02 22:06:35,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/data/3cc6d7101/ac5efc3dca3d4ea39c5c107d54af35ad [2021-11-02 22:06:35,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:06:35,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:06:35,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:35,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:06:35,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:06:35,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6390321b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35, skipping insertion in model container [2021-11-02 22:06:35,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:06:35,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:06:35,611 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_57479f26-a286-4913-b945-1314de75d1fe/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-02 22:06:35,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:35,629 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:06:35,663 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_57479f26-a286-4913-b945-1314de75d1fe/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-02 22:06:35,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:35,683 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:06:35,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35 WrapperNode [2021-11-02 22:06:35,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:35,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:06:35,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:06:35,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:06:35,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:06:35,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:06:35,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:06:35,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:06:35,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:06:35,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:06:35,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-02 22:06:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-02 22:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-02 22:06:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-02 22:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-02 22:06:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-02 22:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-02 22:06:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-02 22:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:06:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:06:35,920 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:06:37,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:06:37,102 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-11-02 22:06:37,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:37 BoogieIcfgContainer [2021-11-02 22:06:37,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:06:37,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:06:37,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:06:37,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:06:37,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:06:35" (1/3) ... [2021-11-02 22:06:37,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c19f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:06:37, skipping insertion in model container [2021-11-02 22:06:37,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (2/3) ... [2021-11-02 22:06:37,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c19f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:06:37, skipping insertion in model container [2021-11-02 22:06:37,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:37" (3/3) ... [2021-11-02 22:06:37,115 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2021-11-02 22:06:37,121 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:06:37,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:06:37,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:06:37,121 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:06:37,187 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,188 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,188 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,189 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,193 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,197 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,198 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,199 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,205 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,208 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,209 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,210 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,210 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,212 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,213 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,213 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,218 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,219 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,220 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,220 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,220 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,221 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,221 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,223 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,226 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,226 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,227 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,227 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,229 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,230 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,230 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,230 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,231 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,241 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,241 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,243 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,244 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,244 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,245 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,246 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,246 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,247 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,255 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,258 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,260 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,263 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~cond~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,264 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,264 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,264 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,264 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,264 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,265 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,265 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,265 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,265 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,266 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,267 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,269 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,270 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,280 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-02 22:06:37,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:06:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:06:37,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:06:37,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:06:37,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:06:37,401 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 [2021-11-02 22:06:37,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-02 22:06:37,528 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,529 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,529 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,562 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,563 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,563 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,585 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,585 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,586 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,602 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,602 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,603 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,632 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,633 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,633 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,646 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,646 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,646 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,674 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,674 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,675 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,688 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,688 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,688 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:37,748 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-02 22:06:37,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:37,754 INFO L85 PathProgramCache]: Analyzing trace with hash 566002839, now seen corresponding path program 1 times [2021-11-02 22:06:37,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:37,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755789883] [2021-11-02 22:06:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:37,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:38,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:38,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755789883] [2021-11-02 22:06:38,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755789883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:38,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:38,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:06:38,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819684444] [2021-11-02 22:06:38,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:06:38,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:38,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:06:38,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:06:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:38,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:38,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 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) [2021-11-02 22:06:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:38,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:06:38,130 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-02 22:06:38,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:38,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1667107628, now seen corresponding path program 1 times [2021-11-02 22:06:38,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:38,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085973942] [2021-11-02 22:06:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:38,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:38,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:38,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085973942] [2021-11-02 22:06:38,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085973942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:38,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:38,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:06:38,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313134951] [2021-11-02 22:06:38,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:06:38,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:38,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:06:38,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:06:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:38,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:38,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 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) [2021-11-02 22:06:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:39,085 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,085 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,086 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,099 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,100 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,100 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:39,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:06:39,129 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-02 22:06:39,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:39,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1840686811, now seen corresponding path program 1 times [2021-11-02 22:06:39,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:39,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508727874] [2021-11-02 22:06:39,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:39,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:39,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:39,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508727874] [2021-11-02 22:06:39,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508727874] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:06:39,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91128485] [2021-11-02 22:06:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:39,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:06:39,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:06:39,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:06:39,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:06:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:39,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:06:39,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:06:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:40,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91128485] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:06:40,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:06:40,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-11-02 22:06:40,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020913313] [2021-11-02 22:06:40,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-02 22:06:40,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-02 22:06:40,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-02 22:06:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:40,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:40,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.8) internal successors, (297), 15 states have internal predecessors, (297), 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) [2021-11-02 22:06:40,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:40,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:40,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,027 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,028 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,028 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:41,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-02 22:06:41,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:06:41,323 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-02 22:06:41,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1445950260, now seen corresponding path program 1 times [2021-11-02 22:06:41,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:41,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430775016] [2021-11-02 22:06:41,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:41,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:06:41,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:41,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430775016] [2021-11-02 22:06:41,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430775016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:41,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:41,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:06:41,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202796830] [2021-11-02 22:06:41,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:06:41,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:06:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:06:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,456 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:41,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 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) [2021-11-02 22:06:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,536 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,537 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,537 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,549 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,549 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,550 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,560 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,560 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,560 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,571 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,572 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,572 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,618 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,619 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,619 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,632 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,639 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,640 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,650 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,650 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,650 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,663 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,673 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,674 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,675 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,722 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,731 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,731 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,738 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,738 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,738 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,760 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,760 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,761 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,769 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,770 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,770 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,820 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,820 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,821 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,827 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,828 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,828 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,836 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem7_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,836 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,836 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~short8_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,843 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,844 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,844 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,863 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,864 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,864 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,870 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,871 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~short4_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,871 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:41,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:06:41,910 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-02 22:06:41,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:41,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1094924827, now seen corresponding path program 1 times [2021-11-02 22:06:41,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:41,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007248974] [2021-11-02 22:06:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:41,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:06:42,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:42,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007248974] [2021-11-02 22:06:42,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007248974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:42,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:42,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:06:42,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622788253] [2021-11-02 22:06:42,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:06:42,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:06:42,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:06:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:42,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:42,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 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) [2021-11-02 22:06:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:06:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:06:42,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:06:42,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:06:42,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:06:42,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-02 22:06:42,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-02 22:06:42,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:06:42,093 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-02 22:06:42,095 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:06:42,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:06:42,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:06:42 BasicIcfg [2021-11-02 22:06:42,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:06:42,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:06:42,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:06:42,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:06:42,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:37" (3/4) ... [2021-11-02 22:06:42,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:06:42,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-02 22:06:42,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-02 22:06:42,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-02 22:06:42,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-11-02 22:06:42,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-02 22:06:42,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:06:42,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:06:42,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:06:42,170 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:06:42,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:06:42,171 INFO L168 Benchmark]: Toolchain (without parser) took 6861.08 ms. Allocated memory was 94.4 MB in the beginning and 144.7 MB in the end (delta: 50.3 MB). Free memory was 63.7 MB in the beginning and 55.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,172 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:42,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.37 ms. Allocated memory is still 94.4 MB. Free memory was 63.5 MB in the beginning and 68.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.18 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 66.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,173 INFO L168 Benchmark]: Boogie Preprocessor took 65.09 ms. Allocated memory is still 94.4 MB. Free memory was 66.0 MB in the beginning and 64.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:42,174 INFO L168 Benchmark]: RCFGBuilder took 1294.15 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.9 MB in the beginning and 74.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,174 INFO L168 Benchmark]: TraceAbstraction took 4990.91 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 73.6 MB in the beginning and 59.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,175 INFO L168 Benchmark]: Witness Printer took 71.85 ms. Allocated memory is still 144.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.37 ms. Allocated memory is still 94.4 MB. Free memory was 63.5 MB in the beginning and 68.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.18 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 66.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.09 ms. Allocated memory is still 94.4 MB. Free memory was 66.0 MB in the beginning and 64.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1294.15 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.9 MB in the beginning and 74.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4990.91 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 73.6 MB in the beginning and 59.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Witness Printer took 71.85 ms. Allocated memory is still 144.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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: 5952, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 408, negative conditional: 374, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5602, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 58, negative conditional: 24, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5602, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 58, negative conditional: 24, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 2991, positive unconditional: 2553, negative: 128, negative conditional: 70, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 1140, positive unconditional: 4404, negative: 128, negative conditional: 1, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 1140, positive unconditional: 4404, negative: 128, negative conditional: 1, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2002, positive: 1967, positive conditional: 13, positive unconditional: 1954, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2002, positive: 1956, positive conditional: 0, positive unconditional: 1956, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 11, positive conditional: 9, positive unconditional: 2, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 85, positive conditional: 63, positive unconditional: 22, negative: 293, negative conditional: 8, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5672, positive: 3577, positive conditional: 1127, positive unconditional: 2450, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 2002, unknown conditional: 14, unknown unconditional: 1988] , Statistics on independence cache: Total cache size (in pairs): 2002, Positive cache size: 1967, Positive conditional cache size: 13, Positive unconditional cache size: 1954, Negative cache size: 35, Negative conditional cache size: 1, Negative unconditional cache size: 34, Eliminated conditions: 1920, Maximal queried relation: 3, Independence queries for same thread: 350 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 421, Number of persistent set computation: 357, Number of trivial persistent sets: 257, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2161, positive: 2127, positive conditional: 0, positive unconditional: 2127, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5952, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 408, negative conditional: 374, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5602, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 58, negative conditional: 24, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5602, positive: 5544, positive conditional: 3417, positive unconditional: 2127, negative: 58, negative conditional: 24, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 2991, positive unconditional: 2553, negative: 128, negative conditional: 70, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 1140, positive unconditional: 4404, negative: 128, negative conditional: 1, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5672, positive: 5544, positive conditional: 1140, positive unconditional: 4404, negative: 128, negative conditional: 1, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2002, positive: 1967, positive conditional: 13, positive unconditional: 1954, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2002, positive: 1956, positive conditional: 0, positive unconditional: 1956, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 11, positive conditional: 9, positive unconditional: 2, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 85, positive conditional: 63, positive unconditional: 22, negative: 293, negative conditional: 8, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5672, positive: 3577, positive conditional: 1127, positive unconditional: 2450, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 2002, unknown conditional: 14, unknown unconditional: 1988] , Statistics on independence cache: Total cache size (in pairs): 2002, Positive cache size: 1967, Positive conditional cache size: 13, Positive unconditional cache size: 1954, Negative cache size: 35, Negative conditional cache size: 1, Negative unconditional cache size: 34, Eliminated conditions: 1920, Maximal queried relation: 3, Independence queries for same thread: 350 - 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: 150]: 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 9 procedures, 237 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, 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: 41, 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, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 998 NumberOfCodeBlocks, 998 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 992 ConstructedInterpolants, 0 QuantifiedInterpolants, 2418 SizeOfPredicates, 12 NumberOfNonLiveVariables, 398 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 5/7 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! [2021-11-02 22:06:42,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:06:42,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57479f26-a286-4913-b945-1314de75d1fe/bin/ugemcutter-gZIa6NM3Pm/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