/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 18:41:30,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 18:41:30,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 18:41:30,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 18:41:30,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 18:41:30,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 18:41:30,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 18:41:30,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 18:41:30,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 18:41:30,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 18:41:30,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 18:41:30,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 18:41:30,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 18:41:30,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 18:41:30,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 18:41:30,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 18:41:30,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 18:41:30,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 18:41:30,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 18:41:30,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 18:41:30,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-01-28 18:41:30,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 18:41:30,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 18:41:30,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 18:41:30,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 18:41:30,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 18:41:30,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 18:41:30,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 18:41:30,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 18:41:30,908 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 18:41:30,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 18:41:30,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 18:41:30,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 18:41:30,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:41:30,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 18:41:30,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 18:41:30,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 18:41:30,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 18:41:30,912 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 18:41:30,912 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 18:41:31,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 18:41:31,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 18:41:31,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 18:41:31,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 18:41:31,165 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 18:41:31,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2022-01-28 18:41:31,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221a46146/9866e9a6778f4930b8cc2eb86e1580f5/FLAGaa0283d23 [2022-01-28 18:41:31,653 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 18:41:31,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2022-01-28 18:41:31,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221a46146/9866e9a6778f4930b8cc2eb86e1580f5/FLAGaa0283d23 [2022-01-28 18:41:31,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221a46146/9866e9a6778f4930b8cc2eb86e1580f5 [2022-01-28 18:41:31,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 18:41:31,687 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 18:41:31,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 18:41:31,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 18:41:31,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 18:41:31,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d583063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31, skipping insertion in model container [2022-01-28 18:41:31,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 18:41:31,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 18:41:31,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-01-28 18:41:31,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:41:31,893 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 18:41:31,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-01-28 18:41:31,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:41:31,925 INFO L208 MainTranslator]: Completed translation [2022-01-28 18:41:31,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31 WrapperNode [2022-01-28 18:41:31,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 18:41:31,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 18:41:31,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 18:41:31,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 18:41:31,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,960 INFO L137 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2022-01-28 18:41:31,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 18:41:31,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 18:41:31,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 18:41:31,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 18:41:31,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:31,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 18:41:31,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 18:41:31,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 18:41:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 18:41:31,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (1/1) ... [2022-01-28 18:41:32,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:41:32,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:32,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 18:41:32,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 18:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 18:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 18:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 18:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 18:41:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 18:41:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 18:41:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 18:41:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 18:41:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 18:41:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 18:41:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 18:41:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-28 18:41:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 18:41:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 18:41:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 18:41:32,077 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 18:41:32,198 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 18:41:32,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 18:41:32,451 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 18:41:32,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 18:41:32,554 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-28 18:41:32,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:41:32 BoogieIcfgContainer [2022-01-28 18:41:32,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 18:41:32,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 18:41:32,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 18:41:32,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 18:41:32,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 06:41:31" (1/3) ... [2022-01-28 18:41:32,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a4e730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:41:32, skipping insertion in model container [2022-01-28 18:41:32,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:41:31" (2/3) ... [2022-01-28 18:41:32,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a4e730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:41:32, skipping insertion in model container [2022-01-28 18:41:32,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:41:32" (3/3) ... [2022-01-28 18:41:32,564 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2022-01-28 18:41:32,568 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 18:41:32,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 18:41:32,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 18:41:32,569 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 18:41:32,601 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,610 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,610 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,610 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,610 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,610 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,611 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,611 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,611 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,611 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,611 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,612 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,612 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,612 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,612 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,620 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:41:32,636 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 18:41:32,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 18:41:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:32,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 18:41:32,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-28 18:41:32,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 18:41:32,717 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 18:41:32,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 18:41:32,796 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash 358110273, now seen corresponding path program 1 times [2022-01-28 18:41:32,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:32,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291382953] [2022-01-28 18:41:32,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:32,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:41:32,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:32,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291382953] [2022-01-28 18:41:32,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291382953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:41:32,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:41:32,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 18:41:32,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984023516] [2022-01-28 18:41:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:33,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 18:41:33,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 18:41:33,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 18:41:33,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:33,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:33,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 18:41:33,067 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:33,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1044347362, now seen corresponding path program 1 times [2022-01-28 18:41:33,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:33,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49700238] [2022-01-28 18:41:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:33,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:41:33,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:33,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49700238] [2022-01-28 18:41:33,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49700238] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:41:33,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:41:33,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 18:41:33,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007014859] [2022-01-28 18:41:33,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:33,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 18:41:33,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:33,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 18:41:33,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 18:41:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:33,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:33,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:33,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 18:41:33,346 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:33,347 INFO L85 PathProgramCache]: Analyzing trace with hash -191356262, now seen corresponding path program 1 times [2022-01-28 18:41:33,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:33,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319940613] [2022-01-28 18:41:33,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:33,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:41:33,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:33,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319940613] [2022-01-28 18:41:33,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319940613] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:41:33,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:41:33,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 18:41:33,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366846913] [2022-01-28 18:41:33,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:33,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 18:41:33,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 18:41:33,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-28 18:41:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,478 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:33,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:33,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 18:41:33,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash -428643462, now seen corresponding path program 1 times [2022-01-28 18:41:33,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:33,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617117609] [2022-01-28 18:41:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:33,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:41:33,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:33,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617117609] [2022-01-28 18:41:33,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617117609] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:41:33,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:41:33,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 18:41:33,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867949117] [2022-01-28 18:41:33,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:33,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 18:41:33,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:33,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 18:41:33,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-28 18:41:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,693 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:33,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:33,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:33,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:33,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:33,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 18:41:33,898 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1281243028, now seen corresponding path program 1 times [2022-01-28 18:41:33,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:33,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284703894] [2022-01-28 18:41:33,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:33,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:34,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:34,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284703894] [2022-01-28 18:41:34,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284703894] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:34,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597143863] [2022-01-28 18:41:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:34,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:34,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:34,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:41:34,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 18:41:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:34,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-28 18:41:34,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:41:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:34,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:41:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:34,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597143863] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:34,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-28 18:41:34,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-28 18:41:34,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272273798] [2022-01-28 18:41:34,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:34,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 18:41:34,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:34,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 18:41:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-28 18:41:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:34,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:34,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:34,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:34,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-28 18:41:35,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:35,086 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:35,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:35,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1518530228, now seen corresponding path program 1 times [2022-01-28 18:41:35,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:35,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073031427] [2022-01-28 18:41:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:35,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:35,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:35,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073031427] [2022-01-28 18:41:35,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073031427] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:35,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878805783] [2022-01-28 18:41:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:35,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:35,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:41:35,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 18:41:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:35,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-28 18:41:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:41:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:35,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:41:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:35,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878805783] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:35,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-28 18:41:35,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-28 18:41:35,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885122048] [2022-01-28 18:41:35,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:41:35,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 18:41:35,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:35,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 18:41:35,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-28 18:41:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:35,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:35,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:35,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:35,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:35,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:35,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:35,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:35,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:35,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-28 18:41:35,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:35,964 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:35,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1629547704, now seen corresponding path program 1 times [2022-01-28 18:41:35,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:35,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368452256] [2022-01-28 18:41:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:35,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:36,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:36,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368452256] [2022-01-28 18:41:36,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368452256] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:36,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379342367] [2022-01-28 18:41:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:36,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:36,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:41:36,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-28 18:41:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:36,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 49 conjunts are in the unsatisfiable core [2022-01-28 18:41:36,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:41:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:36,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:41:36,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 18:41:36,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2022-01-28 18:41:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 18:41:36,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 18:41:36,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-01-28 18:41:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:37,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379342367] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:41:37,133 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:41:37,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 10] total 23 [2022-01-28 18:41:37,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494810648] [2022-01-28 18:41:37,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:41:37,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-28 18:41:37,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:37,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-28 18:41:37,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-01-28 18:41:37,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:37,135 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:37,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:37,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-28 18:41:37,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-28 18:41:37,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:37,963 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:37,964 INFO L85 PathProgramCache]: Analyzing trace with hash 2141104196, now seen corresponding path program 2 times [2022-01-28 18:41:37,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:37,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848319352] [2022-01-28 18:41:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:37,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:38,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848319352] [2022-01-28 18:41:38,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848319352] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:38,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246333766] [2022-01-28 18:41:38,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 18:41:38,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:38,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:38,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:41:38,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-28 18:41:38,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 18:41:38,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:41:38,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-28 18:41:38,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:41:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:38,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:41:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:38,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246333766] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:41:38,583 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:41:38,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2022-01-28 18:41:38,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304994113] [2022-01-28 18:41:38,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:41:38,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 18:41:38,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:38,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 18:41:38,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-01-28 18:41:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:38,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:38,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.105263157894736) internal successors, (173), 19 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-01-28 18:41:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-28 18:41:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:41:39,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-28 18:41:39,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:39,236 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:39,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1800915236, now seen corresponding path program 3 times [2022-01-28 18:41:39,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:39,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681297269] [2022-01-28 18:41:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:39,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:41:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:39,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:41:39,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681297269] [2022-01-28 18:41:39,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681297269] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:41:39,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660033489] [2022-01-28 18:41:39,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 18:41:39,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:41:39,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:41:39,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-28 18:41:39,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-28 18:41:39,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:41:39,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-28 18:41:39,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:41:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:39,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:41:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 18:41:39,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660033489] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:41:39,934 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:41:39,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-01-28 18:41:39,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841277619] [2022-01-28 18:41:39,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:41:39,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-28 18:41:39,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:41:39,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-28 18:41:39,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-01-28 18:41:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:39,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:41:39,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.5) internal successors, (156), 24 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:41:39,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 18:41:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-28 18:41:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 18:41:40,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-28 18:41:40,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:41:40,961 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 18:41:40,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:41:40,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1570817150, now seen corresponding path program 4 times [2022-01-28 18:41:40,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:41:40,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15677595] [2022-01-28 18:41:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:41:40,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:41:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 18:41:41,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 18:41:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 18:41:41,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 18:41:41,072 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 18:41:41,073 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-28 18:41:41,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-28 18:41:41,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-28 18:41:41,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 18:41:41,080 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2022-01-28 18:41:41,083 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 18:41:41,083 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 18:41:41,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 06:41:41 BasicIcfg [2022-01-28 18:41:41,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 18:41:41,173 INFO L158 Benchmark]: Toolchain (without parser) took 9486.26ms. Allocated memory was 191.9MB in the beginning and 295.7MB in the end (delta: 103.8MB). Free memory was 137.5MB in the beginning and 178.5MB in the end (delta: -41.1MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,174 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 18:41:41,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.66ms. Allocated memory was 191.9MB in the beginning and 246.4MB in the end (delta: 54.5MB). Free memory was 137.3MB in the beginning and 217.8MB in the end (delta: -80.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 246.4MB. Free memory was 217.8MB in the beginning and 215.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,176 INFO L158 Benchmark]: Boogie Preprocessor took 23.25ms. Allocated memory is still 246.4MB. Free memory was 215.7MB in the beginning and 214.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,176 INFO L158 Benchmark]: RCFGBuilder took 571.97ms. Allocated memory is still 246.4MB. Free memory was 214.1MB in the beginning and 193.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,176 INFO L158 Benchmark]: TraceAbstraction took 8614.01ms. Allocated memory was 246.4MB in the beginning and 295.7MB in the end (delta: 49.3MB). Free memory was 192.6MB in the beginning and 178.5MB in the end (delta: 14.1MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2022-01-28 18:41:41,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 236.66ms. Allocated memory was 191.9MB in the beginning and 246.4MB in the end (delta: 54.5MB). Free memory was 137.3MB in the beginning and 217.8MB in the end (delta: -80.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 246.4MB. Free memory was 217.8MB in the beginning and 215.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.25ms. Allocated memory is still 246.4MB. Free memory was 215.7MB in the beginning and 214.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 571.97ms. Allocated memory is still 246.4MB. Free memory was 214.1MB in the beginning and 193.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 8614.01ms. Allocated memory was 246.4MB in the beginning and 295.7MB in the end (delta: 49.3MB). Free memory was 192.6MB in the beginning and 178.5MB in the end (delta: 14.1MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1159, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 319, negative conditional: 319, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 842, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 842, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 858, positive: 840, positive conditional: 778, positive unconditional: 62, negative: 18, negative conditional: 16, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 858, positive: 840, positive conditional: 307, positive unconditional: 533, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 858, positive: 840, positive conditional: 307, positive unconditional: 533, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 250, positive: 243, positive conditional: 131, positive unconditional: 112, negative: 7, negative conditional: 5, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 250, positive: 243, positive conditional: 0, positive unconditional: 243, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 5, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 15, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 858, positive: 597, positive conditional: 176, positive unconditional: 421, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 250, unknown conditional: 136, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 243, Positive conditional cache size: 131, Positive unconditional cache size: 112, Negative cache size: 7, Negative conditional cache size: 5, Negative unconditional cache size: 2, Eliminated conditions: 482, Maximal queried relation: 8, Independence queries for same thread: 317 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 87]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L41] 0 int* A; VAL [A={0:0}] [L42] 0 int counter, N; VAL [A={0:0}, counter=0, N=0] [L75] 0 pthread_t t1, t2; VAL [A={0:0}, counter=0, N=0, t1={6:0}, t2={5:0}] [L77] 0 N = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, A={0:0}, counter=0, N=1, t1={6:0}, t2={5:0}] [L78] CALL, EXPR 0 create_fresh_int_array(N) [L93] CALL 0 assume_abort_if_not(size >= 0) [L38] COND FALSE 0 !(!cond) VAL [\old(cond)=1, A={0:0}, cond=1, counter=0, N=1] [L93] RET 0 assume_abort_if_not(size >= 0) [L94] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE 0 !(!cond) VAL [\old(cond)=1, A={0:0}, cond=1, counter=0, N=1] [L94] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L96] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); VAL [\old(size)=1, A={0:0}, arr={3:0}, counter=0, malloc(sizeof(int) * (size_t)size)={3:0}, N=1, size=1] [L97] 0 int i = 0; VAL [\old(size)=1, A={0:0}, arr={3:0}, counter=0, i=0, N=1, size=1] [L97] COND TRUE 0 i < size VAL [\old(size)=1, A={0:0}, arr={3:0}, counter=0, i=0, N=1, size=1] [L98] 0 arr[i] = __VERIFIER_nondet_int() VAL [\old(size)=1, __VERIFIER_nondet_int()=7, A={0:0}, arr={3:0}, counter=0, i=0, N=1, size=1] [L97] 0 i++ VAL [\old(size)=1, A={0:0}, arr={3:0}, counter=0, i=1, N=1, size=1] [L97] COND FALSE 0 !(i < size) VAL [\old(size)=1, A={0:0}, arr={3:0}, counter=0, i=1, N=1, size=1] [L100] 0 return arr; VAL [\old(size)=1, \result={3:0}, A={0:0}, arr={3:0}, counter=0, i=1, N=1, size=1] [L78] RET, EXPR 0 create_fresh_int_array(N) [L78] 0 A = create_fresh_int_array(N) VAL [A={3:0}, counter=0, create_fresh_int_array(N)={3:0}, N=1, t1={6:0}, t2={5:0}] [L81] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={3:0}, counter=0, N=1, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L82] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={3:0}, counter=0, N=1, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L83] 0 \read(t1) VAL [\read(t1)=-2, A={3:0}, counter=0, N=1, t1={6:0}, t2={5:0}] [L49] 1 int i=0; VAL [A={3:0}, counter=0, i=0, N=1] [L49] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L38] COND FALSE 1 !(!cond) [L110] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L111] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L38] COND FALSE 1 !(!cond) [L111] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L112] 1 return a + b; [L51] RET, EXPR 1 plus(counter, A[i]) [L51] 1 int tmp = plus(counter, A[i]); [L62] 2 int i=0; VAL [A={3:0}, counter=0, i=0, N=1] [L62] COND TRUE 2 i= b - 2147483648) [L38] COND FALSE 2 !(!cond) [L104] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L105] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L38] COND FALSE 2 !(!cond) [L105] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L106] 2 return a - b; [L64] RET, EXPR 2 minus(counter, A[i]) [L64] 2 int tmp = minus(counter, A[i]); [L54] 1 counter = tmp VAL [A={3:0}, counter=7, i=0, N=1, tmp=7] [L49] 1 i++ VAL [A={3:0}, counter=7, i=1, N=1, tmp=7] [L49] COND FALSE 1 !(i