/usr/bin/java -Xmx16000000000 -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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 08:00:15,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 08:00:15,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 08:00:16,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 08:00:16,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 08:00:16,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 08:00:16,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 08:00:16,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 08:00:16,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 08:00:16,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 08:00:16,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 08:00:16,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 08:00:16,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 08:00:16,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 08:00:16,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 08:00:16,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 08:00:16,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 08:00:16,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 08:00:16,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 08:00:16,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 08:00:16,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 08:00:16,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 08:00:16,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 08:00:16,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 08:00:16,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 08:00:16,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 08:00:16,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 08:00:16,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 08:00:16,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 08:00:16,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 08:00:16,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 08:00:16,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 08:00:16,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 08:00:16,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 08:00:16,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 08:00:16,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 08:00:16,042 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-FA-NoLbe-Separate.epf [2021-06-05 08:00:16,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 08:00:16,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 08:00:16,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 08:00:16,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 08:00:16,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 08:00:16,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 08:00:16,067 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 08:00:16,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 08:00:16,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 08:00:16,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 08:00:16,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 08:00:16,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 08:00:16,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 08:00:16,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 08:00:16,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 08:00:16,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 08:00:16,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 08:00:16,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 08:00:16,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:00:16,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 08:00:16,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 08:00:16,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 08:00:16,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 08:00:16,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 08:00:16,072 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 08:00:16,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 08:00:16,072 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 08:00:16,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 08:00:16,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 08:00:16,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 08:00:16,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 08:00:16,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 08:00:16,382 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 08:00:16,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-05 08:00:16,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd30ea1b6/3b081167cb2041908c738fea4b523624/FLAG916efe026 [2021-06-05 08:00:16,940 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 08:00:16,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-05 08:00:16,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd30ea1b6/3b081167cb2041908c738fea4b523624/FLAG916efe026 [2021-06-05 08:00:17,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd30ea1b6/3b081167cb2041908c738fea4b523624 [2021-06-05 08:00:17,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 08:00:17,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 08:00:17,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 08:00:17,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 08:00:17,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 08:00:17,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213aac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17, skipping insertion in model container [2021-06-05 08:00:17,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 08:00:17,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 08:00:17,654 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-06-05 08:00:17,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:00:17,841 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 08:00:17,853 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-06-05 08:00:17,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:00:17,943 INFO L208 MainTranslator]: Completed translation [2021-06-05 08:00:17,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17 WrapperNode [2021-06-05 08:00:17,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 08:00:17,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 08:00:17,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 08:00:17,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 08:00:17,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 08:00:17,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 08:00:17,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 08:00:17,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 08:00:17,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:17,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:18,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:18,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:18,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... [2021-06-05 08:00:18,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 08:00:18,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 08:00:18,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 08:00:18,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 08:00:18,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:00:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 08:00:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-06-05 08:00:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-06-05 08:00:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 08:00:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 08:00:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 08:00:18,077 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 08:00:18,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 08:00:18,517 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-06-05 08:00:18,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:00:18 BoogieIcfgContainer [2021-06-05 08:00:18,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 08:00:18,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 08:00:18,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 08:00:18,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 08:00:18,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:00:17" (1/3) ... [2021-06-05 08:00:18,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1278f1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:00:18, skipping insertion in model container [2021-06-05 08:00:18,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:00:17" (2/3) ... [2021-06-05 08:00:18,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1278f1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:00:18, skipping insertion in model container [2021-06-05 08:00:18,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:00:18" (3/3) ... [2021-06-05 08:00:18,528 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-06-05 08:00:18,533 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 08:00:18,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 08:00:18,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-06-05 08:00:18,534 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 08:00:18,580 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,580 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,580 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,580 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,581 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,581 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,581 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,581 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,582 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,582 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,582 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,582 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,583 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,584 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,584 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,584 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,584 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,584 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,585 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,587 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,588 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,588 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,588 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,591 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,591 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,591 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,591 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:00:18,602 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 08:00:18,627 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 08:00:18,652 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 08:00:18,653 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 08:00:18,653 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 08:00:18,653 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 08:00:18,653 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 08:00:18,654 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 08:00:18,654 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 08:00:18,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 08:00:18,669 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 131 transitions, 284 flow [2021-06-05 08:00:18,709 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:00:18,730 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:00:18,731 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:00:18,732 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:00:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:00:18,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1182303052, now seen corresponding path program 1 times [2021-06-05 08:00:18,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:00:18,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820708290] [2021-06-05 08:00:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:00:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:00:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:00:18,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:00:18,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820708290] [2021-06-05 08:00:18,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820708290] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:00:18,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:00:18,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 08:00:18,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452271714] [2021-06-05 08:00:18,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-05 08:00:18,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:00:18,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-05 08:00:18,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-05 08:00:18,993 INFO L87 Difference]: Start difference. First operand has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 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) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:00:19,014 INFO L93 Difference]: Finished difference Result 306 states and 631 transitions. [2021-06-05 08:00:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-05 08:00:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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) Word has length 88 [2021-06-05 08:00:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:00:19,028 INFO L225 Difference]: With dead ends: 306 [2021-06-05 08:00:19,028 INFO L226 Difference]: Without dead ends: 296 [2021-06-05 08:00:19,029 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-05 08:00:19,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-06-05 08:00:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-06-05 08:00:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 293 states have (on average 2.1194539249146755) internal successors, (621), 295 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 621 transitions. [2021-06-05 08:00:19,110 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 621 transitions. Word has length 88 [2021-06-05 08:00:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:00:19,110 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 621 transitions. [2021-06-05 08:00:19,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 621 transitions. [2021-06-05 08:00:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:00:19,117 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:00:19,118 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:00:19,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 08:00:19,118 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:00:19,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:00:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1169244598, now seen corresponding path program 1 times [2021-06-05 08:00:19,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:00:19,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676203012] [2021-06-05 08:00:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:00:19,173 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-06-05 08:00:19,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253901180] [2021-06-05 08:00:19,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:00:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:00:19,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-05 08:00:19,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:00:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:00:19,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:00:19,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676203012] [2021-06-05 08:00:20,002 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-06-05 08:00:20,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253901180] [2021-06-05 08:00:20,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253901180] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:00:20,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:00:20,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 08:00:20,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737016629] [2021-06-05 08:00:20,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 08:00:20,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:00:20,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 08:00:20,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-06-05 08:00:20,012 INFO L87 Difference]: Start difference. First operand 296 states and 621 transitions. Second operand has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:00:20,832 INFO L93 Difference]: Finished difference Result 521 states and 1120 transitions. [2021-06-05 08:00:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 08:00:20,832 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 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) Word has length 88 [2021-06-05 08:00:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:00:20,836 INFO L225 Difference]: With dead ends: 521 [2021-06-05 08:00:20,836 INFO L226 Difference]: Without dead ends: 521 [2021-06-05 08:00:20,837 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 682.0ms TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2021-06-05 08:00:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-06-05 08:00:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 476. [2021-06-05 08:00:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 473 states have (on average 2.1670190274841437) internal successors, (1025), 475 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1025 transitions. [2021-06-05 08:00:20,857 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1025 transitions. Word has length 88 [2021-06-05 08:00:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:00:20,857 INFO L482 AbstractCegarLoop]: Abstraction has 476 states and 1025 transitions. [2021-06-05 08:00:20,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:00:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1025 transitions. [2021-06-05 08:00:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-06-05 08:00:20,859 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:00:20,859 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:00:21,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-05 08:00:21,081 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:00:21,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:00:21,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1936720344, now seen corresponding path program 1 times [2021-06-05 08:00:21,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:00:21,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660688285] [2021-06-05 08:00:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:00:21,110 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-06-05 08:00:21,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674410801] [2021-06-05 08:00:21,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:00:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:00:21,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-05 08:00:21,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-05 08:14:50,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:14:50,754 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 08:14:50,755 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 08:14:50,757 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 08:14:50,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:14:50 BasicIcfg [2021-06-05 08:14:50,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 08:14:50,758 INFO L168 Benchmark]: Toolchain (without parser) took 873290.39 ms. Allocated memory was 375.4 MB in the beginning and 792.7 MB in the end (delta: 417.3 MB). Free memory was 337.8 MB in the beginning and 554.1 MB in the end (delta: -216.3 MB). Peak memory consumption was 604.9 MB. Max. memory is 16.0 GB. [2021-06-05 08:14:50,758 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 375.4 MB. Free memory is still 355.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 08:14:50,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.17 ms. Allocated memory is still 375.4 MB. Free memory was 337.6 MB in the beginning and 336.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. [2021-06-05 08:14:50,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 375.4 MB. Free memory was 336.5 MB in the beginning and 333.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 08:14:50,758 INFO L168 Benchmark]: Boogie Preprocessor took 24.76 ms. Allocated memory is still 375.4 MB. Free memory was 333.3 MB in the beginning and 332.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 08:14:50,758 INFO L168 Benchmark]: RCFGBuilder took 511.04 ms. Allocated memory is still 375.4 MB. Free memory was 332.3 MB in the beginning and 297.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-06-05 08:14:50,759 INFO L168 Benchmark]: TraceAbstraction took 872234.73 ms. Allocated memory was 375.4 MB in the beginning and 792.7 MB in the end (delta: 417.3 MB). Free memory was 297.6 MB in the beginning and 554.1 MB in the end (delta: -256.5 MB). Peak memory consumption was 563.7 MB. Max. memory is 16.0 GB. [2021-06-05 08:14:50,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 375.4 MB. Free memory is still 355.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 474.17 ms. Allocated memory is still 375.4 MB. Free memory was 337.6 MB in the beginning and 336.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 375.4 MB. Free memory was 336.5 MB in the beginning and 333.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.76 ms. Allocated memory is still 375.4 MB. Free memory was 333.3 MB in the beginning and 332.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 511.04 ms. Allocated memory is still 375.4 MB. Free memory was 332.3 MB in the beginning and 297.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 872234.73 ms. Allocated memory was 375.4 MB in the beginning and 792.7 MB in the end (delta: 417.3 MB). Free memory was 297.6 MB in the beginning and 554.1 MB in the end (delta: -256.5 MB). Peak memory consumption was 563.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 872104.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 29.3ms, AutomataDifference: 878.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 55.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 200 SDtfs, 485 SDslu, 829 SDs, 0 SdLazy, 250 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 201.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 682.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 87.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.7ms SsaConstructionTime, 163.4ms SatisfiabilityAnalysisTime, 714.2ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 13 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown