/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/popl20-bad/three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 17:48:10,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 17:48:10,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 17:48:10,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 17:48:10,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 17:48:10,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 17:48:10,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 17:48:10,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 17:48:10,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 17:48:10,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 17:48:10,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 17:48:10,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 17:48:10,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 17:48:10,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 17:48:10,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 17:48:10,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 17:48:10,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 17:48:10,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 17:48:10,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 17:48:10,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 17:48:10,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 17:48:10,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 17:48:10,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 17:48:10,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 17:48:10,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 17:48:10,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 17:48:10,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 17:48:10,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 17:48:10,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 17:48:10,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 17:48:10,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 17:48:10,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 17:48:10,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 17:48:10,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 17:48:10,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 17:48:10,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 17:48:10,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 17:48:10,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 17:48:10,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 17:48:10,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 17:48:10,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 17:48:10,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 17:48:11,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 17:48:11,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 17:48:11,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 17:48:11,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 17:48:11,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 17:48:11,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 17:48:11,043 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 17:48:11,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 17:48:11,044 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 17:48:11,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 17:48:11,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 17:48:11,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 17:48:11,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 17:48:11,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 17:48:11,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 17:48:11,046 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 17:48:11,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 17:48:11,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 17:48:11,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 17:48:11,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 17:48:11,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 17:48:11,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 17:48:11,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 17:48:11,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:48:11,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 17:48:11,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 17:48:11,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 17:48:11,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 17:48:11,049 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 17:48:11,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 17:48:11,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 17:48:11,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 17:48:11,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 17:48:11,050 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 17:48:11,050 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 17:48:11,050 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 17:48:11,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 17:48:11,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 17:48:11,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 17:48:11,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 17:48:11,471 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 17:48:11,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad/three-array-sum-alt.wvr.c [2021-10-06 17:48:11,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f87b67465/e0d4a0a1f21b4a188a8ee8a5f7653a3a/FLAG79c50cc92 [2021-10-06 17:48:12,246 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 17:48:12,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad/three-array-sum-alt.wvr.c [2021-10-06 17:48:12,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f87b67465/e0d4a0a1f21b4a188a8ee8a5f7653a3a/FLAG79c50cc92 [2021-10-06 17:48:12,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f87b67465/e0d4a0a1f21b4a188a8ee8a5f7653a3a [2021-10-06 17:48:12,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 17:48:12,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 17:48:12,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 17:48:12,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 17:48:12,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 17:48:12,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:12,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e3c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12, skipping insertion in model container [2021-10-06 17:48:12,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:12,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 17:48:12,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 17:48:12,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad/three-array-sum-alt.wvr.c[2162,2175] [2021-10-06 17:48:12,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:48:12,912 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 17:48:12,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad/three-array-sum-alt.wvr.c[2162,2175] [2021-10-06 17:48:12,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:48:12,992 INFO L208 MainTranslator]: Completed translation [2021-10-06 17:48:12,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12 WrapperNode [2021-10-06 17:48:12,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 17:48:12,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 17:48:12,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 17:48:12,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 17:48:13,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 17:48:13,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 17:48:13,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 17:48:13,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 17:48:13,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 17:48:13,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 17:48:13,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 17:48:13,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 17:48:13,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (1/1) ... [2021-10-06 17:48:13,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:48:13,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:13,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 17:48:13,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 17:48:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 17:48:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 17:48:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 17:48:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 17:48:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 17:48:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 17:48:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 17:48:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 17:48:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 17:48:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 17:48:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 17:48:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 17:48:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 17:48:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 17:48:13,219 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 17:48:13,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 17:48:13,741 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-06 17:48:13,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:48:13 BoogieIcfgContainer [2021-10-06 17:48:13,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 17:48:13,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 17:48:13,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 17:48:13,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 17:48:13,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 05:48:12" (1/3) ... [2021-10-06 17:48:13,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fb8254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:48:13, skipping insertion in model container [2021-10-06 17:48:13,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:48:12" (2/3) ... [2021-10-06 17:48:13,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fb8254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:48:13, skipping insertion in model container [2021-10-06 17:48:13,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:48:13" (3/3) ... [2021-10-06 17:48:13,766 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.c [2021-10-06 17:48:13,778 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 17:48:13,778 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 17:48:13,778 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 17:48:13,778 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 17:48:13,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,830 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,830 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,831 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,831 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,831 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,832 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,832 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,833 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,834 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,836 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,836 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,836 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,837 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,837 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,837 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,838 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,838 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,838 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,838 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,839 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,839 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,839 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,839 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,840 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,840 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,840 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,840 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,840 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,841 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,841 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,842 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,842 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,843 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,843 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,843 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,843 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,844 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,844 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,844 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,844 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,844 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,845 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,845 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,845 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,845 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,846 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,848 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,848 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,850 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,850 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,851 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,851 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,855 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,856 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,856 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,856 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,857 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,857 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,857 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,863 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,864 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,867 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,868 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:48:13,879 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 17:48:13,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 17:48:13,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:13,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 17:48:13,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 17:48:13,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 17:48:14,006 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, mConcurrency=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 [2021-10-06 17:48:14,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-06 17:48:14,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:14,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1952442036, now seen corresponding path program 1 times [2021-10-06 17:48:14,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:14,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460121293] [2021-10-06 17:48:14,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:14,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:48:14,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:14,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460121293] [2021-10-06 17:48:14,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460121293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:48:14,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:48:14,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 17:48:14,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876981298] [2021-10-06 17:48:14,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 17:48:14,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:14,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 17:48:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 17:48:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:14,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:14,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 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) [2021-10-06 17:48:14,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:14,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 17:48:14,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:14,523 INFO L82 PathProgramCache]: Analyzing trace with hash -861021869, now seen corresponding path program 1 times [2021-10-06 17:48:14,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:14,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068174625] [2021-10-06 17:48:14,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:14,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:48:15,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:15,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068174625] [2021-10-06 17:48:15,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068174625] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:48:15,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:48:15,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 17:48:15,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971044785] [2021-10-06 17:48:15,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 17:48:15,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:15,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 17:48:15,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-06 17:48:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:15,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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) [2021-10-06 17:48:15,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:15,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 17:48:15,280 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:15,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:15,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1576782906, now seen corresponding path program 1 times [2021-10-06 17:48:15,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:15,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291683177] [2021-10-06 17:48:15,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:15,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:48:15,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:15,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291683177] [2021-10-06 17:48:15,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291683177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:48:15,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:48:15,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 17:48:15,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794304001] [2021-10-06 17:48:15,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 17:48:15,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 17:48:15,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-06 17:48:15,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:15,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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) [2021-10-06 17:48:15,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:15,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:15,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-06 17:48:15,747 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:15,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:15,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1757452125, now seen corresponding path program 1 times [2021-10-06 17:48:15,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:15,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898934101] [2021-10-06 17:48:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:15,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:48:15,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:15,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898934101] [2021-10-06 17:48:15,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898934101] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:48:15,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:48:15,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 17:48:15,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465606293] [2021-10-06 17:48:15,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 17:48:15,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:15,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 17:48:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-06 17:48:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:15,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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) [2021-10-06 17:48:15,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:15,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:15,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:15,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:16,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-06 17:48:16,049 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:16,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:16,050 INFO L82 PathProgramCache]: Analyzing trace with hash 32811786, now seen corresponding path program 1 times [2021-10-06 17:48:16,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:16,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305996635] [2021-10-06 17:48:16,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:16,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:48:16,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:16,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305996635] [2021-10-06 17:48:16,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305996635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:48:16,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:48:16,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 17:48:16,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844079086] [2021-10-06 17:48:16,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 17:48:16,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:16,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 17:48:16,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-06 17:48:16,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:16,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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) [2021-10-06 17:48:16,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:16,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:48:16,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:16,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-06 17:48:16,605 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:16,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:16,606 INFO L82 PathProgramCache]: Analyzing trace with hash 2072447641, now seen corresponding path program 1 times [2021-10-06 17:48:16,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:16,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598172223] [2021-10-06 17:48:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:16,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:48:16,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:16,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598172223] [2021-10-06 17:48:16,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598172223] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:16,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393737296] [2021-10-06 17:48:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:16,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:16,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:16,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:48:16,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 17:48:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:16,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 17:48:16,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:48:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:48:17,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393737296] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:17,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:48:17,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-06 17:48:17,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976088645] [2021-10-06 17:48:17,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 17:48:17,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 17:48:17,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-06 17:48:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:17,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:17,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 10 states have internal predecessors, (155), 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) [2021-10-06 17:48:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:17,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 17:48:17,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-06 17:48:17,932 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:17,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:17,934 INFO L82 PathProgramCache]: Analyzing trace with hash -842687401, now seen corresponding path program 1 times [2021-10-06 17:48:17,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:17,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976024941] [2021-10-06 17:48:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:17,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:48:18,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:18,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976024941] [2021-10-06 17:48:18,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976024941] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:18,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467899236] [2021-10-06 17:48:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:18,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:18,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:18,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:48:18,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 17:48:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:18,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 17:48:18,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:48:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:48:18,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467899236] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:18,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:48:18,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-06 17:48:18,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060461710] [2021-10-06 17:48:18,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 17:48:18,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 17:48:18,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-06 17:48:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:18,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:18,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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) [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:18,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:18,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-06 17:48:19,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:19,002 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:19,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:19,002 INFO L82 PathProgramCache]: Analyzing trace with hash 658413063, now seen corresponding path program 1 times [2021-10-06 17:48:19,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:19,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240336635] [2021-10-06 17:48:19,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:19,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:48:19,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:19,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240336635] [2021-10-06 17:48:19,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240336635] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:19,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548649527] [2021-10-06 17:48:19,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:19,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:19,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:19,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:48:19,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 17:48:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:19,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 17:48:19,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:48:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:48:19,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548649527] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:19,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:48:19,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-06 17:48:19,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761106922] [2021-10-06 17:48:19,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 17:48:19,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:48:19,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 17:48:19,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-06 17:48:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:19,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:48:19,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.8) internal successors, (158), 10 states have internal predecessors, (158), 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) [2021-10-06 17:48:19,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:19,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:19,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:48:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:48:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:48:20,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 17:48:20,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:20,261 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:48:20,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:48:20,262 INFO L82 PathProgramCache]: Analyzing trace with hash 882138328, now seen corresponding path program 1 times [2021-10-06 17:48:20,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:48:20,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264240586] [2021-10-06 17:48:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:20,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:48:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:48:22,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:48:22,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264240586] [2021-10-06 17:48:22,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264240586] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:48:22,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806895448] [2021-10-06 17:48:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:48:22,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:22,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:48:22,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:48:22,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 17:48:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:48:22,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 100 conjunts are in the unsatisfiable core [2021-10-06 17:48:22,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:48:22,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-06 17:48:22,512 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-06 17:48:22,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-10-06 17:48:22,604 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-10-06 17:48:22,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2021-10-06 17:48:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:48:23,600 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-10-06 17:48:23,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 41 [2021-10-06 17:48:24,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-06 17:48:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:48:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:48:25,809 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-10-06 17:48:25,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 32 treesize of output 53 [2021-10-06 17:48:26,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-06 17:48:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:48:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:48:28,029 INFO L354 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2021-10-06 17:48:28,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 31 treesize of output 39 [2021-10-06 17:48:28,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-10-06 17:48:29,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-10-06 17:48:30,084 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:48:30,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-06 17:48:30,906 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-10-06 17:48:30,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 38 [2021-10-06 17:48:31,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-06 17:48:31,816 INFO L354 Elim1Store]: treesize reduction 221, result has 16.3 percent of original size [2021-10-06 17:48:31,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 66 [2021-10-06 17:48:33,200 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-10-06 17:48:33,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-06 17:48:33,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:48:33,415 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:313) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:80) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:75) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:903) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:235) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:151) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-06 17:48:33,420 INFO L168 Benchmark]: Toolchain (without parser) took 20822.52 ms. Allocated memory was 174.1 MB in the beginning and 263.2 MB in the end (delta: 89.1 MB). Free memory was 148.4 MB in the beginning and 168.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,420 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 144.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 17:48:33,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.74 ms. Allocated memory is still 174.1 MB. Free memory was 148.0 MB in the beginning and 137.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.25 ms. Allocated memory is still 174.1 MB. Free memory was 136.9 MB in the beginning and 135.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,422 INFO L168 Benchmark]: Boogie Preprocessor took 39.02 ms. Allocated memory is still 174.1 MB. Free memory was 135.0 MB in the beginning and 133.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,422 INFO L168 Benchmark]: RCFGBuilder took 663.86 ms. Allocated memory is still 174.1 MB. Free memory was 133.3 MB in the beginning and 154.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,423 INFO L168 Benchmark]: TraceAbstraction took 19667.98 ms. Allocated memory was 174.1 MB in the beginning and 263.2 MB in the end (delta: 89.1 MB). Free memory was 154.3 MB in the beginning and 168.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 8.0 GB. [2021-10-06 17:48:33,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 144.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 388.74 ms. Allocated memory is still 174.1 MB. Free memory was 148.0 MB in the beginning and 137.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.25 ms. Allocated memory is still 174.1 MB. Free memory was 136.9 MB in the beginning and 135.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.02 ms. Allocated memory is still 174.1 MB. Free memory was 135.0 MB in the beginning and 133.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 663.86 ms. Allocated memory is still 174.1 MB. Free memory was 133.3 MB in the beginning and 154.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19667.98 ms. Allocated memory was 174.1 MB in the beginning and 263.2 MB in the end (delta: 89.1 MB). Free memory was 154.3 MB in the beginning and 168.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-06 17:48:33,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-06 17:48:33,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...