/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 20:01:27,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 20:01:27,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 20:01:27,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 20:01:27,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 20:01:27,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 20:01:27,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 20:01:27,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 20:01:27,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 20:01:27,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 20:01:27,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 20:01:27,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 20:01:27,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 20:01:27,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 20:01:27,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 20:01:27,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 20:01:27,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 20:01:27,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 20:01:27,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 20:01:27,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 20:01:27,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 20:01:27,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 20:01:27,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 20:01:27,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 20:01:27,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 20:01:27,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 20:01:27,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 20:01:27,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 20:01:27,533 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 20:01:27,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 20:01:27,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 20:01:27,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 20:01:27,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 20:01:27,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 20:01:27,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 20:01:27,562 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 20:01:27,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 20:01:27,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 20:01:27,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 20:01:27,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 20:01:27,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 20:01:27,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 20:01:27,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 20:01:27,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 20:01:27,565 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 20:01:27,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 20:01:27,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 20:01:27,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 20:01:27,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 20:01:27,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 20:01:27,795 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 20:01:27,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-12 20:01:27,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e325646/34457dc3489646d3a44706acafc29dd5/FLAG92cc01b7c [2021-03-12 20:01:28,281 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 20:01:28,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-12 20:01:28,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e325646/34457dc3489646d3a44706acafc29dd5/FLAG92cc01b7c [2021-03-12 20:01:28,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e325646/34457dc3489646d3a44706acafc29dd5 [2021-03-12 20:01:28,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 20:01:28,647 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 20:01:28,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 20:01:28,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 20:01:28,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 20:01:28,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 08:01:28" (1/1) ... [2021-03-12 20:01:28,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e4a538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:28, skipping insertion in model container [2021-03-12 20:01:28,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 08:01:28" (1/1) ... [2021-03-12 20:01:28,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 20:01:28,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 20:01:28,924 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-atomic/time_var_mutex.i[30247,30260] [2021-03-12 20:01:28,929 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-atomic/time_var_mutex.i[30452,30465] [2021-03-12 20:01:28,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 20:01:28,944 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 20:01:28,963 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-atomic/time_var_mutex.i[30247,30260] [2021-03-12 20:01:28,964 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-atomic/time_var_mutex.i[30452,30465] [2021-03-12 20:01:28,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 20:01:29,009 INFO L208 MainTranslator]: Completed translation [2021-03-12 20:01:29,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29 WrapperNode [2021-03-12 20:01:29,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 20:01:29,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 20:01:29,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 20:01:29,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 20:01:29,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 20:01:29,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 20:01:29,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 20:01:29,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 20:01:29,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (1/1) ... [2021-03-12 20:01:29,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 20:01:29,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 20:01:29,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 20:01:29,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 20:01:29,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (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 [2021-03-12 20:01:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-03-12 20:01:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-03-12 20:01:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 20:01:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 20:01:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 20:01:29,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 20:01:29,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 20:01:29,538 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-12 20:01:29,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:01:29 BoogieIcfgContainer [2021-03-12 20:01:29,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 20:01:29,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 20:01:29,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 20:01:29,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 20:01:29,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 08:01:28" (1/3) ... [2021-03-12 20:01:29,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f58fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 08:01:29, skipping insertion in model container [2021-03-12 20:01:29,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:01:29" (2/3) ... [2021-03-12 20:01:29,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f58fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 08:01:29, skipping insertion in model container [2021-03-12 20:01:29,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:01:29" (3/3) ... [2021-03-12 20:01:29,544 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-03-12 20:01:29,547 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 20:01:29,548 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 20:01:29,550 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 20:01:29,551 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 20:01:29,575 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,576 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,577 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,577 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,577 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,577 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,581 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,581 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,581 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,581 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,583 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,583 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,583 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,583 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,585 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,586 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,586 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,587 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,590 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,595 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,595 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,595 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,595 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,595 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:01:29,599 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 20:01:29,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 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 [2021-03-12 20:01:29,686 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 20:01:29,686 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 20:01:29,686 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 20:01:29,686 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 20:01:29,686 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 20:01:29,686 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 20:01:29,686 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 20:01:29,686 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 20:01:29,702 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 20:01:29,702 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 90 transitions, 202 flow [2021-03-12 20:01:29,705 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 90 transitions, 202 flow [2021-03-12 20:01:29,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 90 transitions, 202 flow [2021-03-12 20:01:29,784 INFO L129 PetriNetUnfolder]: 6/90 cut-off events. [2021-03-12 20:01:29,784 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-12 20:01:29,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 90 events. 6/90 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2021-03-12 20:01:29,796 INFO L116 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-12 20:01:32,374 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2021-03-12 20:01:32,508 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-12 20:01:32,805 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-03-12 20:01:32,964 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-12 20:01:33,432 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 140 [2021-03-12 20:01:33,635 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-03-12 20:01:34,073 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2021-03-12 20:01:34,277 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-03-12 20:01:34,303 INFO L131 LiptonReduction]: Checked pairs total: 3976 [2021-03-12 20:01:34,304 INFO L133 LiptonReduction]: Total number of compositions: 77 [2021-03-12 20:01:34,325 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:01:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:01:34,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1478986060, now seen corresponding path program 1 times [2021-03-12 20:01:34,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:01:34,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757176111] [2021-03-12 20:01:34,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:01:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:01:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:01:34,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757176111] [2021-03-12 20:01:34,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:01:34,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 20:01:34,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473297641] [2021-03-12 20:01:34,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:01:34,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:01:34,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:01:34,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:01:34,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,550 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:01:34,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-03-12 20:01:34,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 20:01:34,597 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:01:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:01:34,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1450641463, now seen corresponding path program 1 times [2021-03-12 20:01:34,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:01:34,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14581198] [2021-03-12 20:01:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:01:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:01:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:01:34,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14581198] [2021-03-12 20:01:34,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:01:34,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 20:01:34,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427788018] [2021-03-12 20:01:34,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:01:34,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:01:34,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:01:34,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:01:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,670 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:01:34,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-03-12 20:01:34,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 20:01:34,785 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:01:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:01:34,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2063884878, now seen corresponding path program 1 times [2021-03-12 20:01:34,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:01:34,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676315380] [2021-03-12 20:01:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:01:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:01:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:01:34,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676315380] [2021-03-12 20:01:34,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:01:34,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 20:01:34,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866108824] [2021-03-12 20:01:34,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:01:34,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:01:34,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:01:34,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:01:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,873 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:01:34,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-03-12 20:01:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 20:01:34,911 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:01:34,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:01:34,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2075469868, now seen corresponding path program 1 times [2021-03-12 20:01:34,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:01:34,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897052021] [2021-03-12 20:01:34,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:01:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:01:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:01:34,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897052021] [2021-03-12 20:01:34,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:01:34,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 20:01:34,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475089510] [2021-03-12 20:01:34,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 20:01:34,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:01:34,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 20:01:34,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 20:01:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:34,960 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:01:34,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-03-12 20:01:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:01:35,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 20:01:35,057 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:01:35,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:01:35,058 INFO L82 PathProgramCache]: Analyzing trace with hash 145850639, now seen corresponding path program 1 times [2021-03-12 20:01:35,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:01:35,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295492971] [2021-03-12 20:01:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:01:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:01:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:01:35,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295492971] [2021-03-12 20:01:35,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:01:35,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 20:01:35,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31379757] [2021-03-12 20:01:35,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:01:35,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:01:35,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:01:35,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:01:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:35,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:01:35,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-03-12 20:01:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:01:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:01:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:01:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:01:35,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 20:01:35,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 08:01:35 BasicIcfg [2021-03-12 20:01:35,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 20:01:35,176 INFO L168 Benchmark]: Toolchain (without parser) took 6532.48 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 340.6 MB in the beginning and 364.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,176 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 377.5 MB. Free memory was 358.7 MB in the beginning and 358.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 20:01:35,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.23 ms. Allocated memory is still 377.5 MB. Free memory was 340.0 MB in the beginning and 341.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.85 ms. Allocated memory is still 377.5 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,180 INFO L168 Benchmark]: Boogie Preprocessor took 13.95 ms. Allocated memory is still 377.5 MB. Free memory was 339.2 MB in the beginning and 338.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,181 INFO L168 Benchmark]: RCFGBuilder took 468.84 ms. Allocated memory is still 377.5 MB. Free memory was 338.1 MB in the beginning and 310.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,181 INFO L168 Benchmark]: TraceAbstraction took 5635.63 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 310.9 MB in the beginning and 364.4 MB in the end (delta: -53.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. [2021-03-12 20:01:35,182 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 377.5 MB. Free memory was 358.7 MB in the beginning and 358.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 361.23 ms. Allocated memory is still 377.5 MB. Free memory was 340.0 MB in the beginning and 341.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.85 ms. Allocated memory is still 377.5 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.95 ms. Allocated memory is still 377.5 MB. Free memory was 339.2 MB in the beginning and 338.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 468.84 ms. Allocated memory is still 377.5 MB. Free memory was 338.1 MB in the beginning and 310.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5635.63 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 310.9 MB in the beginning and 364.4 MB in the end (delta: -53.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4599.2ms, 90 PlacesBefore, 34 PlacesAfterwards, 90 TransitionsBefore, 33 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 3976 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2489, positive: 2333, positive conditional: 0, positive unconditional: 2333, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 801, positive: 772, positive conditional: 0, positive unconditional: 772, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 801, positive: 727, positive conditional: 0, positive unconditional: 727, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2489, positive: 1561, positive conditional: 0, positive unconditional: 1561, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 801, unknown conditional: 0, unknown unconditional: 801] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 651, positive: 453, positive conditional: 453, positive unconditional: 0, negative: 198, negative conditional: 198, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 476, positive: 453, positive conditional: 453, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 476, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 184, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 184, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 476, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 184, unknown conditional: 0, unknown unconditional: 184] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 147, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 124, negative conditional: 9, negative unconditional: 115, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 147, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 124, negative conditional: 9, negative unconditional: 115, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 147, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 124, negative conditional: 9, negative unconditional: 115, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 147, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 124, negative conditional: 9, negative unconditional: 115, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 115, SemanticConditionEliminator.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 130, negative conditional: 15, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 82, positive conditional: 21, positive unconditional: 61, negative: 89, negative conditional: 22, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 147, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 124, negative conditional: 9, negative unconditional: 115, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 6, Positive unconditional cache size: 167, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 115 ], Maximal queried relation: 5, Independence queries for same thread: 175 - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 710]: 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 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5536.1ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4625.1ms, PartialOrderReductionTime: 385.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 13.4ms SsaConstructionTime, 114.3ms SatisfiabilityAnalysisTime, 226.9ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...