/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 11:55:31,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-14 11:55:31,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-14 11:55:31,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-14 11:55:31,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-14 11:55:31,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-14 11:55:31,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-14 11:55:31,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-14 11:55:31,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-14 11:55:31,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-14 11:55:31,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-14 11:55:31,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-14 11:55:31,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-14 11:55:31,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-14 11:55:31,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-14 11:55:31,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-14 11:55:31,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-14 11:55:31,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-14 11:55:31,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-14 11:55:31,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-14 11:55:31,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-14 11:55:31,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-14 11:55:31,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-14 11:55:31,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-14 11:55:31,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-14 11:55:31,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-14 11:55:31,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-14 11:55:31,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-14 11:55:31,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-14 11:55:31,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-14 11:55:31,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-14 11:55:31,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-14 11:55:31,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-14 11:55:31,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-14 11:55:31,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-14 11:55:31,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-14 11:55:31,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-14 11:55:31,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-14 11:55:31,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-14 11:55:31,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-14 11:55:31,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-14 11:55:31,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-14 11:55:31,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 11:55:31,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 11:55:31,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-14 11:55:31,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-14 11:55:31,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 11:55:31,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 11:55:31,773 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 11:55:31,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 11:55:31,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 11:55:31,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 11:55:31,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 11:55:31,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 11:55:31,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:31,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 11:55:31,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-14 11:55:31,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 11:55:31,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 11:55:31,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 11:55:31,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 11:55:31,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 11:55:31,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 11:55:31,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2021-10-14 11:55:32,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3f61935/956f6f40e0dd40fc9529398f27a16f49/FLAGb6dbc2d24 [2021-10-14 11:55:32,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 11:55:32,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2021-10-14 11:55:32,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3f61935/956f6f40e0dd40fc9529398f27a16f49/FLAGb6dbc2d24 [2021-10-14 11:55:32,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3f61935/956f6f40e0dd40fc9529398f27a16f49 [2021-10-14 11:55:32,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 11:55:32,785 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 11:55:32,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:32,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 11:55:32,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 11:55:32,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:32" (1/1) ... [2021-10-14 11:55:32,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14674166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:32, skipping insertion in model container [2021-10-14 11:55:32,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:32" (1/1) ... [2021-10-14 11:55:32,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 11:55:32,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 11:55:33,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:33,182 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 11:55:33,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:33,256 INFO L208 MainTranslator]: Completed translation [2021-10-14 11:55:33,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33 WrapperNode [2021-10-14 11:55:33,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:33,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:33,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 11:55:33,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 11:55:33,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:33,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 11:55:33,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 11:55:33,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 11:55:33,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 11:55:33,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 11:55:33,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 11:55:33,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 11:55:33,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (1/1) ... [2021-10-14 11:55:33,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 11:55:33,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-14 11:55:33,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-14 11:55:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-10-14 11:55:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-10-14 11:55:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-10-14 11:55:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-10-14 11:55:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 11:55:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 11:55:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 11:55:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 11:55:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 11:55:33,422 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 11:55:33,638 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 11:55:33,638 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-14 11:55:33,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:33 BoogieIcfgContainer [2021-10-14 11:55:33,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 11:55:33,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 11:55:33,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 11:55:33,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 11:55:33,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:55:32" (1/3) ... [2021-10-14 11:55:33,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f708fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:33, skipping insertion in model container [2021-10-14 11:55:33,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:33" (2/3) ... [2021-10-14 11:55:33,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f708fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:33, skipping insertion in model container [2021-10-14 11:55:33,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:33" (3/3) ... [2021-10-14 11:55:33,645 INFO L111 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2021-10-14 11:55:33,648 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-14 11:55:33,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 11:55:33,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-14 11:55:33,648 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 11:55:33,664 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,665 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,666 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,667 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,668 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,669 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,671 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,671 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,672 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,672 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,672 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,676 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,676 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,676 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,676 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,676 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:33,677 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 11:55:33,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 11:55:33,713 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-14 11:55:33,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-14 11:55:33,720 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 48 transitions, 106 flow [2021-10-14 11:55:33,756 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 913 states, 910 states have (on average 2.596703296703297) internal successors, (2363), 912 states have internal predecessors, (2363), 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) [2021-10-14 11:55:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 913 states, 910 states have (on average 2.596703296703297) internal successors, (2363), 912 states have internal predecessors, (2363), 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) [2021-10-14 11:55:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-14 11:55:33,763 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:33,763 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:33,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONDATA_RACE, f2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 11:55:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:33,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1692758495, now seen corresponding path program 1 times [2021-10-14 11:55:33,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:33,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265972034] [2021-10-14 11:55:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:33,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:33,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:33,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265972034] [2021-10-14 11:55:33,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265972034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:33,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:33,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 11:55:33,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056256536] [2021-10-14 11:55:33,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 11:55:33,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 11:55:33,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:33,909 INFO L87 Difference]: Start difference. First operand has 913 states, 910 states have (on average 2.596703296703297) internal successors, (2363), 912 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-10-14 11:55:33,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:33,948 INFO L93 Difference]: Finished difference Result 807 states and 2071 transitions. [2021-10-14 11:55:33,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 11:55:33,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-14 11:55:33,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:33,959 INFO L225 Difference]: With dead ends: 807 [2021-10-14 11:55:33,959 INFO L226 Difference]: Without dead ends: 607 [2021-10-14 11:55:33,960 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-10-14 11:55:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2021-10-14 11:55:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 2.5264026402640263) internal successors, (1531), 606 states have internal predecessors, (1531), 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) [2021-10-14 11:55:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1531 transitions. [2021-10-14 11:55:34,032 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1531 transitions. Word has length 18 [2021-10-14 11:55:34,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:34,032 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 1531 transitions. [2021-10-14 11:55:34,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-10-14 11:55:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1531 transitions. [2021-10-14 11:55:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-14 11:55:34,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:34,033 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:34,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 11:55:34,034 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONDATA_RACE, f2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 11:55:34,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:34,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1256302921, now seen corresponding path program 1 times [2021-10-14 11:55:34,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:34,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365846638] [2021-10-14 11:55:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:34,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:34,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:34,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365846638] [2021-10-14 11:55:34,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365846638] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:34,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:34,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 11:55:34,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149679727] [2021-10-14 11:55:34,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 11:55:34,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:34,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 11:55:34,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:34,071 INFO L87 Difference]: Start difference. First operand 607 states and 1531 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-14 11:55:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:34,085 INFO L93 Difference]: Finished difference Result 517 states and 1280 transitions. [2021-10-14 11:55:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 11:55:34,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-14 11:55:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:34,087 INFO L225 Difference]: With dead ends: 517 [2021-10-14 11:55:34,087 INFO L226 Difference]: Without dead ends: 0 [2021-10-14 11:55:34,088 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:34,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-14 11:55:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-14 11:55:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-14 11:55:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-14 11:55:34,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-14 11:55:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:34,088 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-14 11:55:34,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-14 11:55:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-14 11:55:34,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-14 11:55:34,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 11:55:34,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-14 11:55:34,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:34,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:34,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:34,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:34,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 11:55:34,095 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 11:55:34,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 11:55:34,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:55:34 BasicIcfg [2021-10-14 11:55:34,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 11:55:34,099 INFO L168 Benchmark]: Toolchain (without parser) took 1312.12 ms. Allocated memory is still 180.4 MB. Free memory was 130.8 MB in the beginning and 84.6 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,100 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 180.4 MB. Free memory is still 149.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:55:34,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.52 ms. Allocated memory is still 180.4 MB. Free memory was 130.5 MB in the beginning and 144.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.9 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 180.4 MB. Free memory was 144.9 MB in the beginning and 143.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,105 INFO L168 Benchmark]: Boogie Preprocessor took 17.62 ms. Allocated memory is still 180.4 MB. Free memory was 143.3 MB in the beginning and 141.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,105 INFO L168 Benchmark]: RCFGBuilder took 325.29 ms. Allocated memory is still 180.4 MB. Free memory was 141.8 MB in the beginning and 131.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,105 INFO L168 Benchmark]: TraceAbstraction took 456.27 ms. Allocated memory is still 180.4 MB. Free memory was 130.8 MB in the beginning and 84.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:34,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 180.4 MB. Free memory is still 149.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 469.52 ms. Allocated memory is still 180.4 MB. Free memory was 130.5 MB in the beginning and 144.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 180.4 MB. Free memory was 144.9 MB in the beginning and 143.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.62 ms. Allocated memory is still 180.4 MB. Free memory was 143.3 MB in the beginning and 141.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 325.29 ms. Allocated memory is still 180.4 MB. Free memory was 141.8 MB in the beginning and 131.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 456.27 ms. Allocated memory is still 180.4 MB. Free memory was 130.8 MB in the beginning and 84.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 71 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 391.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.1ms, AutomataDifference: 79.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 125 SDtfs, 42 SDslu, 77 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=913occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 63.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.6ms SsaConstructionTime, 21.3ms SatisfiabilityAnalysisTime, 64.3ms InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 11:55:34,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...