/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 06:54:49,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 06:54:49,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 06:54:49,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 06:54:49,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 06:54:49,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 06:54:49,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 06:54:49,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 06:54:49,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 06:54:49,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 06:54:49,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 06:54:49,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 06:54:49,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 06:54:49,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 06:54:49,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 06:54:49,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 06:54:49,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 06:54:49,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 06:54:49,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 06:54:49,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 06:54:49,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 06:54:49,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 06:54:49,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 06:54:49,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 06:54:49,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-15 06:54:49,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 06:54:49,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 06:54:49,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 06:54:49,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 06:54:49,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 06:54:49,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 06:54:49,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 06:54:49,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 06:54:49,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 06:54:49,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 06:54:49,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 06:54:49,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 06:54:49,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 06:54:49,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 06:54:49,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 06:54:49,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 06:54:49,770 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 [2021-04-15 06:54:49,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 06:54:49,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 06:54:49,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 06:54:49,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 06:54:49,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 06:54:49,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 06:54:49,800 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 06:54:49,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 06:54:49,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 06:54:49,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 06:54:49,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 06:54:49,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 06:54:49,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 06:54:49,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 06:54:49,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 06:54:49,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 06:54:49,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 06:54:49,803 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 06:54:49,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 06:54:50,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 06:54:50,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 06:54:50,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 06:54:50,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 06:54:50,052 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 06:54:50,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-04-15 06:54:50,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315990c8e/4a65f06c3b824fbdaad745031d28d330/FLAG922df5eef [2021-04-15 06:54:50,509 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 06:54:50,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-04-15 06:54:50,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315990c8e/4a65f06c3b824fbdaad745031d28d330/FLAG922df5eef [2021-04-15 06:54:50,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315990c8e/4a65f06c3b824fbdaad745031d28d330 [2021-04-15 06:54:50,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 06:54:50,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 06:54:50,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 06:54:50,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 06:54:50,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 06:54:50,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:50,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db5a6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50, skipping insertion in model container [2021-04-15 06:54:50,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:50,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 06:54:50,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 06:54:50,736 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i[950,963] [2021-04-15 06:54:50,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:54:50,895 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 06:54:50,902 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i[950,963] [2021-04-15 06:54:50,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:54:50,974 INFO L208 MainTranslator]: Completed translation [2021-04-15 06:54:50,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50 WrapperNode [2021-04-15 06:54:50,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 06:54:50,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 06:54:50,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 06:54:50,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 06:54:50,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:50,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:50,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 06:54:50,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 06:54:50,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 06:54:50,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 06:54:51,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (1/1) ... [2021-04-15 06:54:51,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 06:54:51,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 06:54:51,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 06:54:51,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 06:54:51,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (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 [2021-04-15 06:54:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 06:54:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 06:54:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 06:54:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 06:54:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 06:54:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 06:54:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 06:54:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 06:54:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 06:54:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 06:54:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 06:54:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 06:54:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 06:54:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 06:54:51,068 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 06:54:51,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 06:54:51,298 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 06:54:51,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:54:51 BoogieIcfgContainer [2021-04-15 06:54:51,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 06:54:51,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 06:54:51,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 06:54:51,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 06:54:51,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:54:50" (1/3) ... [2021-04-15 06:54:51,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a254807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:54:51, skipping insertion in model container [2021-04-15 06:54:51,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:54:50" (2/3) ... [2021-04-15 06:54:51,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a254807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:54:51, skipping insertion in model container [2021-04-15 06:54:51,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:54:51" (3/3) ... [2021-04-15 06:54:51,304 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2021-04-15 06:54:51,307 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 06:54:51,308 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 06:54:51,310 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 06:54:51,311 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 06:54:51,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,332 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,332 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:54:51,338 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 06:54:51,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 06:54:51,373 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 06:54:51,373 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 06:54:51,374 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 06:54:51,374 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 06:54:51,374 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 06:54:51,374 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 06:54:51,374 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 06:54:51,374 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 06:54:51,412 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:54:51,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:54:51,418 INFO L82 PathProgramCache]: Analyzing trace with hash -971102005, now seen corresponding path program 1 times [2021-04-15 06:54:51,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:54:51,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163120976] [2021-04-15 06:54:51,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:54:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:54:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:54:51,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163120976] [2021-04-15 06:54:51,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:54:51,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 06:54:51,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994963675] [2021-04-15 06:54:51,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 06:54:51,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:54:51,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 06:54:51,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 06:54:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:51,602 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:54:51,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-04-15 06:54:51,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:51,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 06:54:51,611 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:54:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:54:51,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2056200583, now seen corresponding path program 1 times [2021-04-15 06:54:51,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:54:51,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881750478] [2021-04-15 06:54:51,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:54:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:54:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:54:51,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881750478] [2021-04-15 06:54:51,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:54:51,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:54:51,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570920971] [2021-04-15 06:54:51,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:54:51,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:54:51,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:54:51,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:54:51,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:51,806 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:54:51,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-04-15 06:54:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:54:52,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 06:54:52,613 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:54:52,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:54:52,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1840393240, now seen corresponding path program 1 times [2021-04-15 06:54:52,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:54:52,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415871192] [2021-04-15 06:54:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:54:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:54:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:54:52,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415871192] [2021-04-15 06:54:52,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:54:52,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:54:52,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170263438] [2021-04-15 06:54:52,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:54:52,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:54:52,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:54:52,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:54:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:52,703 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:54:52,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2021-04-15 06:54:52,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:52,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:54:52,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:54:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:54:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:54:53,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 06:54:53,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:54:53 BasicIcfg [2021-04-15 06:54:53,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 06:54:53,144 INFO L168 Benchmark]: Toolchain (without parser) took 2604.44 ms. Allocated memory was 346.0 MB in the beginning and 469.8 MB in the end (delta: 123.7 MB). Free memory was 308.8 MB in the beginning and 286.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.0 GB. [2021-04-15 06:54:53,144 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:54:53,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.11 ms. Allocated memory is still 346.0 MB. Free memory was 308.6 MB in the beginning and 309.0 MB in the end (delta: -348.2 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-04-15 06:54:53,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 306.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:54:53,148 INFO L168 Benchmark]: Boogie Preprocessor took 12.29 ms. Allocated memory is still 346.0 MB. Free memory was 306.9 MB in the beginning and 305.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:54:53,148 INFO L168 Benchmark]: RCFGBuilder took 289.40 ms. Allocated memory is still 346.0 MB. Free memory was 304.8 MB in the beginning and 281.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:54:53,148 INFO L168 Benchmark]: TraceAbstraction took 1842.93 ms. Allocated memory was 346.0 MB in the beginning and 469.8 MB in the end (delta: 123.7 MB). Free memory was 281.7 MB in the beginning and 286.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.0 GB. [2021-04-15 06:54:53,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 431.11 ms. Allocated memory is still 346.0 MB. Free memory was 308.6 MB in the beginning and 309.0 MB in the end (delta: -348.2 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 306.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.29 ms. Allocated memory is still 346.0 MB. Free memory was 306.9 MB in the beginning and 305.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 289.40 ms. Allocated memory is still 346.0 MB. Free memory was 304.8 MB in the beginning and 281.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1842.93 ms. Allocated memory was 346.0 MB in the beginning and 469.8 MB in the end (delta: 123.7 MB). Free memory was 281.7 MB in the beginning and 286.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45375, positive: 44459, positive conditional: 44459, positive unconditional: 0, negative: 916, negative conditional: 916, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45132, positive: 44459, positive conditional: 44459, positive unconditional: 0, negative: 673, negative conditional: 673, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45132, positive: 44157, positive conditional: 0, positive unconditional: 44157, negative: 975, negative conditional: 0, negative unconditional: 975, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 821, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 821, positive: 796, positive conditional: 0, positive unconditional: 796, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 47, positive conditional: 38, positive unconditional: 9, negative: 60, negative conditional: 4, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45132, positive: 43357, positive conditional: 0, positive unconditional: 43357, negative: 954, negative conditional: 0, negative unconditional: 954, unknown: 821, unknown conditional: 0, unknown unconditional: 821] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 822, Positive conditional cache size: 22, Positive unconditional cache size: 800, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 47, positive conditional: 38, positive unconditional: 9, negative: 60, negative conditional: 4, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2401, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 2097, negative conditional: 4, negative unconditional: 2093, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 822, Positive conditional cache size: 22, Positive unconditional cache size: 800, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Eliminated conditions: 2093, SemanticConditionEliminator.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 47, positive conditional: 38, positive unconditional: 9, negative: 60, negative conditional: 4, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2401, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 2097, negative conditional: 4, negative unconditional: 2093, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 822, Positive conditional cache size: 22, Positive unconditional cache size: 800, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Eliminated conditions: 2093, SemanticConditionEliminator.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2401, positive: 302, positive conditional: 302, positive unconditional: 0, negative: 2099, negative conditional: 6, negative unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 47, positive conditional: 38, positive unconditional: 9, negative: 60, negative conditional: 4, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2401, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 2097, negative conditional: 4, negative unconditional: 2093, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 822, Positive conditional cache size: 22, Positive unconditional cache size: 800, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Eliminated conditions: 2093 ], Maximal queried relation: 3, Independence queries for same thread: 243 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1782.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.1ms, PartialOrderReductionTime: 1270.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.6ms SsaConstructionTime, 94.5ms SatisfiabilityAnalysisTime, 265.4ms InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be correct! Received shutdown request...