/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 02:21:04,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 02:21:04,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 02:21:04,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 02:21:04,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 02:21:04,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 02:21:04,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 02:21:04,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 02:21:04,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 02:21:04,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 02:21:04,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 02:21:04,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 02:21:04,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 02:21:04,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 02:21:04,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 02:21:04,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 02:21:04,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 02:21:04,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 02:21:04,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 02:21:04,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 02:21:04,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 02:21:04,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 02:21:04,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 02:21:04,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 02:21:04,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 02:21:04,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 02:21:04,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 02:21:04,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 02:21:04,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 02:21:04,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 02:21:04,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 02:21:04,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 02:21:04,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 02:21:04,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 02:21:04,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 02:21:04,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 02:21:04,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 02:21:04,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 02:21:04,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 02:21:04,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 02:21:04,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 02:21:04,852 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-DelaySleep-NoLbe.epf [2021-06-06 02:21:04,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 02:21:04,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 02:21:04,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 02:21:04,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 02:21:04,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 02:21:04,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 02:21:04,890 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 02:21:04,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 02:21:04,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 02:21:04,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 02:21:04,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 02:21:04,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 02:21:04,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 02:21:04,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:21:04,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 02:21:04,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 02:21:04,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 02:21:04,895 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 02:21:04,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 02:21:05,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 02:21:05,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 02:21:05,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 02:21:05,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 02:21:05,278 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 02:21:05,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i [2021-06-06 02:21:05,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae076755/1ae263a93f9343b1ac0d5a81c374f9df/FLAG971b5bc2c [2021-06-06 02:21:05,868 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 02:21:05,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i [2021-06-06 02:21:05,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae076755/1ae263a93f9343b1ac0d5a81c374f9df/FLAG971b5bc2c [2021-06-06 02:21:06,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae076755/1ae263a93f9343b1ac0d5a81c374f9df [2021-06-06 02:21:06,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 02:21:06,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 02:21:06,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 02:21:06,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 02:21:06,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 02:21:06,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1c1612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06, skipping insertion in model container [2021-06-06 02:21:06,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 02:21:06,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 02:21:06,364 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i[949,962] [2021-06-06 02:21:06,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:21:06,531 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 02:21:06,540 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i[949,962] [2021-06-06 02:21:06,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:21:06,620 INFO L208 MainTranslator]: Completed translation [2021-06-06 02:21:06,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06 WrapperNode [2021-06-06 02:21:06,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 02:21:06,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 02:21:06,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 02:21:06,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 02:21:06,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 02:21:06,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 02:21:06,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 02:21:06,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 02:21:06,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... [2021-06-06 02:21:06,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 02:21:06,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 02:21:06,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 02:21:06,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 02:21:06,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:21:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 02:21:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 02:21:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 02:21:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 02:21:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 02:21:06,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 02:21:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 02:21:06,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 02:21:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 02:21:06,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 02:21:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 02:21:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 02:21:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 02:21:06,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 02:21:06,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 02:21:07,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 02:21:07,163 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 02:21:07,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:21:07 BoogieIcfgContainer [2021-06-06 02:21:07,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 02:21:07,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 02:21:07,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 02:21:07,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 02:21:07,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:21:06" (1/3) ... [2021-06-06 02:21:07,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4558ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:21:07, skipping insertion in model container [2021-06-06 02:21:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:21:06" (2/3) ... [2021-06-06 02:21:07,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4558ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:21:07, skipping insertion in model container [2021-06-06 02:21:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:21:07" (3/3) ... [2021-06-06 02:21:07,172 INFO L111 eAbstractionObserver]: Analyzing ICFG safe014_tso.opt.i [2021-06-06 02:21:07,177 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 02:21:07,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 02:21:07,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 02:21:07,178 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 02:21:07,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,202 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,204 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,205 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,205 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,205 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,205 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,205 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,206 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,206 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,206 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,210 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,210 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,210 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,210 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,214 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,215 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,216 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,216 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:21:07,218 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 02:21:07,238 INFO L255 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 [2021-06-06 02:21:07,287 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 02:21:07,287 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 02:21:07,288 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 02:21:07,288 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 02:21:07,288 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 02:21:07,288 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 02:21:07,288 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 02:21:07,289 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 02:21:07,348 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:21:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:21:07,352 INFO L82 PathProgramCache]: Analyzing trace with hash 485322609, now seen corresponding path program 1 times [2021-06-06 02:21:07,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:21:07,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177336937] [2021-06-06 02:21:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:21:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:21:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:21:07,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:21:07,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177336937] [2021-06-06 02:21:07,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177336937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:21:07,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:21:07,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 02:21:07,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657392789] [2021-06-06 02:21:07,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 02:21:07,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:21:07,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 02:21:07,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 02:21:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:07,818 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:21:07,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:21:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:08,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 02:21:08,047 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:21:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:21:08,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1564056718, now seen corresponding path program 1 times [2021-06-06 02:21:08,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:21:08,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669323910] [2021-06-06 02:21:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:21:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:21:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:21:08,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:21:08,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669323910] [2021-06-06 02:21:08,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669323910] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:21:08,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:21:08,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 02:21:08,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571698825] [2021-06-06 02:21:08,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 02:21:08,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:21:08,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 02:21:08,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 02:21:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:08,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:21:08,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:21:08,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:08,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:09,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 02:21:09,339 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:21:09,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:21:09,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1805637580, now seen corresponding path program 1 times [2021-06-06 02:21:09,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:21:09,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883816429] [2021-06-06 02:21:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:21:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:21:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:21:09,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:21:09,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883816429] [2021-06-06 02:21:09,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883816429] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:21:09,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:21:09,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:21:09,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516299032] [2021-06-06 02:21:09,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:21:09,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:21:09,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:21:09,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:21:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:09,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:21:09,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:21:09,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:09,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:09,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:21:09,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 02:21:09,941 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:21:09,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:21:09,942 INFO L82 PathProgramCache]: Analyzing trace with hash -998423917, now seen corresponding path program 1 times [2021-06-06 02:21:09,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:21:09,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293383453] [2021-06-06 02:21:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:21:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:21:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:21:10,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:21:10,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293383453] [2021-06-06 02:21:10,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293383453] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:21:10,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:21:10,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 02:21:10,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60991358] [2021-06-06 02:21:10,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 02:21:10,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:21:10,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 02:21:10,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 02:21:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:10,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:21:10,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:21:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:21:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:21:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 02:21:10,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 02:21:10,766 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:21:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:21:10,766 INFO L82 PathProgramCache]: Analyzing trace with hash -389478645, now seen corresponding path program 2 times [2021-06-06 02:21:10,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:21:10,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302204273] [2021-06-06 02:21:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:21:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:21:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:21:10,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:21:10,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302204273] [2021-06-06 02:21:10,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302204273] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:21:10,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:21:10,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 02:21:10,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594447270] [2021-06-06 02:21:10,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 02:21:10,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:21:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 02:21:10,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 02:21:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:10,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:21:10,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:21:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:21:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 02:21:10,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:21:11,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:21:11,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:21:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:21:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 02:21:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 02:21:11,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 02:21:11,932 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 02:21:11,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:21:11 BasicIcfg [2021-06-06 02:21:11,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 02:21:11,935 INFO L168 Benchmark]: Toolchain (without parser) took 5780.85 ms. Allocated memory was 341.8 MB in the beginning and 717.2 MB in the end (delta: 375.4 MB). Free memory was 304.0 MB in the beginning and 600.0 MB in the end (delta: -296.0 MB). Peak memory consumption was 263.4 MB. Max. memory is 16.0 GB. [2021-06-06 02:21:11,935 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 322.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:21:11,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.81 ms. Allocated memory is still 341.8 MB. Free memory was 303.9 MB in the beginning and 304.8 MB in the end (delta: -900.2 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:21:11,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 341.8 MB. Free memory was 304.8 MB in the beginning and 302.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:21:11,936 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 301.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:21:11,936 INFO L168 Benchmark]: RCFGBuilder took 490.35 ms. Allocated memory is still 341.8 MB. Free memory was 301.6 MB in the beginning and 276.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 02:21:11,937 INFO L168 Benchmark]: TraceAbstraction took 4767.65 ms. Allocated memory was 341.8 MB in the beginning and 717.2 MB in the end (delta: 375.4 MB). Free memory was 276.5 MB in the beginning and 600.0 MB in the end (delta: -323.6 MB). Peak memory consumption was 237.4 MB. Max. memory is 16.0 GB. [2021-06-06 02:21:11,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 341.8 MB. Free memory is still 322.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 459.81 ms. Allocated memory is still 341.8 MB. Free memory was 303.9 MB in the beginning and 304.8 MB in the end (delta: -900.2 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 341.8 MB. Free memory was 304.8 MB in the beginning and 302.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.85 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 301.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 490.35 ms. Allocated memory is still 341.8 MB. Free memory was 301.6 MB in the beginning and 276.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4767.65 ms. Allocated memory was 341.8 MB in the beginning and 717.2 MB in the end (delta: 375.4 MB). Free memory was 276.5 MB in the beginning and 600.0 MB in the end (delta: -323.6 MB). Peak memory consumption was 237.4 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: 118006, positive: 116029, positive conditional: 116029, positive unconditional: 0, negative: 1977, negative conditional: 1977, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 117251, positive: 116029, positive conditional: 116029, positive unconditional: 0, negative: 1222, negative conditional: 1222, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 117251, positive: 115413, positive conditional: 0, positive unconditional: 115413, negative: 1838, negative conditional: 0, negative unconditional: 1838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 915, positive: 894, positive conditional: 0, positive unconditional: 894, 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: 915, positive: 890, positive conditional: 0, positive unconditional: 890, 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: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117251, positive: 114519, positive conditional: 0, positive unconditional: 114519, negative: 1817, negative conditional: 0, negative unconditional: 1817, unknown: 915, unknown conditional: 0, unknown unconditional: 915] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6038, positive: 594, positive conditional: 594, positive unconditional: 0, negative: 5408, negative conditional: 678, negative unconditional: 4730, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, Eliminated conditions: 4730, SemanticConditionEliminator.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6038, positive: 594, positive conditional: 594, positive unconditional: 0, negative: 5408, negative conditional: 678, negative unconditional: 4730, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, Eliminated conditions: 4730, SemanticConditionEliminator.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6038, positive: 594, positive conditional: 594, positive unconditional: 0, negative: 5408, negative conditional: 678, negative unconditional: 4730, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, Eliminated conditions: 4730, SemanticConditionEliminator.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6038, positive: 594, positive conditional: 594, positive unconditional: 0, negative: 5408, negative conditional: 678, negative unconditional: 4730, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, Eliminated conditions: 4730, SemanticConditionEliminator.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6038, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 5422, negative conditional: 692, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 35, negative conditional: 14, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 43, positive conditional: 34, positive unconditional: 9, negative: 88, negative conditional: 20, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6038, positive: 594, positive conditional: 594, positive unconditional: 0, negative: 5408, negative conditional: 678, negative unconditional: 4730, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 951, Positive cache size: 916, Positive conditional cache size: 22, Positive unconditional cache size: 894, Negative cache size: 35, Negative conditional cache size: 14, Negative unconditional cache size: 21, Eliminated conditions: 4730 ], Maximal queried relation: 5, Independence queries for same thread: 755 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4678.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 3451.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 68, 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: 29.6ms SsaConstructionTime, 209.4ms SatisfiabilityAnalysisTime, 764.6ms InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 1149 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...