/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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/06-symbeq_08-tricky_address3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:22,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:22,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:22,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:22,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:22,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:22,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:22,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:22,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:22,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:22,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:22,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:22,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:22,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:22,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:22,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:22,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:22,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:22,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:22,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:22,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:22,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:22,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:22,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:22,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:22,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:22,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:22,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:22,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:22,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:13:22,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:13:22,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:13:22,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:13:22,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:13:22,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:13:22,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:13:22,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:13:22,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:13:22,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:22,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:22,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:22,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:22,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:22,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:22,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:22,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:22,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:22,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:22,262 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:22,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:22,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:22,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:22,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:22,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:22,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:22,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:22,265 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:22,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:22,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:22,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:22,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:22,483 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:22,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-15 20:13:22,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2eb5a8a/a5000e1cfcea4bd0b33c140a0bbb34e7/FLAGb061abaa0 [2022-03-15 20:13:22,927 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:22,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-15 20:13:22,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2eb5a8a/a5000e1cfcea4bd0b33c140a0bbb34e7/FLAGb061abaa0 [2022-03-15 20:13:22,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2eb5a8a/a5000e1cfcea4bd0b33c140a0bbb34e7 [2022-03-15 20:13:22,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:22,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:22,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:22,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:22,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:22,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25849c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22, skipping insertion in model container [2022-03-15 20:13:22,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:22,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:23,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:23,291 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:23,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:23,364 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:23,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23 WrapperNode [2022-03-15 20:13:23,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:23,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:23,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:23,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:23,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,417 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-15 20:13:23,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:23,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:23,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:23,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:23,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:23,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:23,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:23,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:23,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (1/1) ... [2022-03-15 20:13:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:23,481 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) [2022-03-15 20:13:23,503 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 [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:23,514 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:13:23,613 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:23,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:23,791 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:23,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:23,796 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 20:13:23,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:23 BoogieIcfgContainer [2022-03-15 20:13:23,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:23,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:23,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:23,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:23,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:22" (1/3) ... [2022-03-15 20:13:23,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189d0c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:23, skipping insertion in model container [2022-03-15 20:13:23,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:23" (2/3) ... [2022-03-15 20:13:23,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189d0c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:23, skipping insertion in model container [2022-03-15 20:13:23,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:23" (3/3) ... [2022-03-15 20:13:23,805 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-03-15 20:13:23,811 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:23,811 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:23,811 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 20:13:23,811 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:23,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:23,862 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:23,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:23,897 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:23,897 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 20:13:23,905 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:23,911 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 106 transitions, 217 flow [2022-03-15 20:13:23,915 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 106 transitions, 217 flow [2022-03-15 20:13:23,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 106 transitions, 217 flow [2022-03-15 20:13:23,953 INFO L129 PetriNetUnfolder]: 4/105 cut-off events. [2022-03-15 20:13:23,953 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:23,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 4/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-03-15 20:13:23,958 INFO L116 LiptonReduction]: Number of co-enabled transitions 2400 [2022-03-15 20:13:25,467 INFO L131 LiptonReduction]: Checked pairs total: 8154 [2022-03-15 20:13:25,467 INFO L133 LiptonReduction]: Total number of compositions: 79 [2022-03-15 20:13:25,473 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 37 transitions, 79 flow [2022-03-15 20:13:25,496 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 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) [2022-03-15 20:13:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 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) [2022-03-15 20:13:25,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 20:13:25,502 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:25,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:25,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:25,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1007318430, now seen corresponding path program 1 times [2022-03-15 20:13:25,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465354806] [2022-03-15 20:13:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465354806] [2022-03-15 20:13:25,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465354806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:25,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:25,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:13:25,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1683927042] [2022-03-15 20:13:25,698 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:25,702 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:25,716 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 20:13:25,717 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:25,721 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:25,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:25,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:25,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:25,743 INFO L87 Difference]: Start difference. First operand has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 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, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:25,789 INFO L93 Difference]: Finished difference Result 289 states and 541 transitions. [2022-03-15 20:13:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:25,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 20:13:25,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:25,805 INFO L225 Difference]: With dead ends: 289 [2022-03-15 20:13:25,805 INFO L226 Difference]: Without dead ends: 289 [2022-03-15 20:13:25,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:25,810 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:25,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-03-15 20:13:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-03-15 20:13:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.9252669039145907) internal successors, (541), 288 states have internal predecessors, (541), 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) [2022-03-15 20:13:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 541 transitions. [2022-03-15 20:13:25,869 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 541 transitions. Word has length 10 [2022-03-15 20:13:25,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:25,870 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 541 transitions. [2022-03-15 20:13:25,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 541 transitions. [2022-03-15 20:13:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:13:25,879 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:25,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:25,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:25,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash 626663640, now seen corresponding path program 1 times [2022-03-15 20:13:25,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289564757] [2022-03-15 20:13:25,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289564757] [2022-03-15 20:13:25,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289564757] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:25,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886082154] [2022-03-15 20:13:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:25,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:25,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:13:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:26,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886082154] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:26,107 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:26,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 20:13:26,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2112593716] [2022-03-15 20:13:26,107 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:26,108 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:26,109 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:13:26,109 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:26,109 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:26,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:13:26,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:13:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:26,110 INFO L87 Difference]: Start difference. First operand 289 states and 541 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,138 INFO L93 Difference]: Finished difference Result 290 states and 542 transitions. [2022-03-15 20:13:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-03-15 20:13:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,139 INFO L225 Difference]: With dead ends: 290 [2022-03-15 20:13:26,139 INFO L226 Difference]: Without dead ends: 290 [2022-03-15 20:13:26,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:26,140 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-03-15 20:13:26,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-03-15 20:13:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.9219858156028369) internal successors, (542), 289 states have internal predecessors, (542), 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) [2022-03-15 20:13:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 542 transitions. [2022-03-15 20:13:26,146 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 542 transitions. Word has length 11 [2022-03-15 20:13:26,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,146 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 542 transitions. [2022-03-15 20:13:26,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 542 transitions. [2022-03-15 20:13:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:26,159 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,159 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 20:13:26,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,360 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:26,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -259499742, now seen corresponding path program 2 times [2022-03-15 20:13:26,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:26,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357862517] [2022-03-15 20:13:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:26,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357862517] [2022-03-15 20:13:26,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357862517] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:26,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017306903] [2022-03-15 20:13:26,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:26,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:26,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:26,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:13:26,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:26,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:26,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:26,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:26,551 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:26,572 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-15 20:13:26,572 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:26,602 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-15 20:13:26,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:26,648 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-15 20:13:26,649 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:26,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:26,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017306903] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:26,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:26,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2022-03-15 20:13:26,668 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1662841236] [2022-03-15 20:13:26,668 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:26,669 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:26,671 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:26,671 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:26,671 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:26,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:26,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:26,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:26,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:26,672 INFO L87 Difference]: Start difference. First operand 290 states and 542 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-03-15 20:13:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,887 INFO L93 Difference]: Finished difference Result 322 states and 600 transitions. [2022-03-15 20:13:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:26,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 12 [2022-03-15 20:13:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,889 INFO L225 Difference]: With dead ends: 322 [2022-03-15 20:13:26,889 INFO L226 Difference]: Without dead ends: 322 [2022-03-15 20:13:26,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:26,890 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 27 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:26,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-03-15 20:13:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 308. [2022-03-15 20:13:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 301 states have (on average 1.9069767441860466) internal successors, (574), 307 states have internal predecessors, (574), 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) [2022-03-15 20:13:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 574 transitions. [2022-03-15 20:13:26,896 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 574 transitions. Word has length 12 [2022-03-15 20:13:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,896 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 574 transitions. [2022-03-15 20:13:26,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-03-15 20:13:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 574 transitions. [2022-03-15 20:13:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:26,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,897 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:27,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-15 20:13:27,117 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1104479278, now seen corresponding path program 1 times [2022-03-15 20:13:27,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:27,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107152788] [2022-03-15 20:13:27,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:27,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107152788] [2022-03-15 20:13:27,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107152788] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:27,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945071094] [2022-03-15 20:13:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:27,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:27,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:13:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:13:27,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945071094] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:27,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:27,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 20:13:27,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1221035887] [2022-03-15 20:13:27,297 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:27,298 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:27,299 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:27,299 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:27,299 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:27,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:13:27,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:27,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:13:27,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:27,301 INFO L87 Difference]: Start difference. First operand 308 states and 574 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:27,323 INFO L93 Difference]: Finished difference Result 309 states and 575 transitions. [2022-03-15 20:13:27,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:13:27,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 20:13:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:27,324 INFO L225 Difference]: With dead ends: 309 [2022-03-15 20:13:27,324 INFO L226 Difference]: Without dead ends: 309 [2022-03-15 20:13:27,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:27,327 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:27,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:27,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-03-15 20:13:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-03-15 20:13:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 302 states have (on average 1.903973509933775) internal successors, (575), 308 states have internal predecessors, (575), 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) [2022-03-15 20:13:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 575 transitions. [2022-03-15 20:13:27,335 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 575 transitions. Word has length 12 [2022-03-15 20:13:27,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:27,335 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 575 transitions. [2022-03-15 20:13:27,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 575 transitions. [2022-03-15 20:13:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:27,336 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:27,336 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:27,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:27,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,552 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:27,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:27,552 INFO L85 PathProgramCache]: Analyzing trace with hash -596781788, now seen corresponding path program 2 times [2022-03-15 20:13:27,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:27,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692837044] [2022-03-15 20:13:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:27,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692837044] [2022-03-15 20:13:27,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692837044] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:27,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146948853] [2022-03-15 20:13:27,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:27,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:27,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:13:27,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:27,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:27,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:27,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:27,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:27,671 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:27,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:27,705 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:27,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:27,751 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:27,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-15 20:13:27,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:27,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146948853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:27,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:27,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2022-03-15 20:13:27,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1900464618] [2022-03-15 20:13:27,770 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:27,771 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:27,772 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:13:27,772 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:27,772 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:27,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:27,772 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:27,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:13:27,773 INFO L87 Difference]: Start difference. First operand 309 states and 575 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-03-15 20:13:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:27,900 INFO L93 Difference]: Finished difference Result 342 states and 635 transitions. [2022-03-15 20:13:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:27,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 13 [2022-03-15 20:13:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:27,902 INFO L225 Difference]: With dead ends: 342 [2022-03-15 20:13:27,902 INFO L226 Difference]: Without dead ends: 342 [2022-03-15 20:13:27,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:13:27,903 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:27,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 16 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-03-15 20:13:27,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 328. [2022-03-15 20:13:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 321 states have (on average 1.897196261682243) internal successors, (609), 327 states have internal predecessors, (609), 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) [2022-03-15 20:13:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 609 transitions. [2022-03-15 20:13:27,908 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 609 transitions. Word has length 13 [2022-03-15 20:13:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:27,908 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 609 transitions. [2022-03-15 20:13:27,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-03-15 20:13:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 609 transitions. [2022-03-15 20:13:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 20:13:27,910 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:27,910 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:27,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:28,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,115 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1009531466, now seen corresponding path program 1 times [2022-03-15 20:13:28,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:28,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538611788] [2022-03-15 20:13:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:28,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538611788] [2022-03-15 20:13:28,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538611788] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:28,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198891108] [2022-03-15 20:13:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:28,159 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:28,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 20:13:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198891108] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:28,311 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:28,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 20:13:28,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [996126758] [2022-03-15 20:13:28,312 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,315 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,318 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 19 transitions. [2022-03-15 20:13:28,318 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,318 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:28,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:28,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:28,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:28,319 INFO L87 Difference]: Start difference. First operand 328 states and 609 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-03-15 20:13:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:28,341 INFO L93 Difference]: Finished difference Result 329 states and 610 transitions. [2022-03-15 20:13:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:28,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2022-03-15 20:13:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:28,342 INFO L225 Difference]: With dead ends: 329 [2022-03-15 20:13:28,343 INFO L226 Difference]: Without dead ends: 329 [2022-03-15 20:13:28,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:28,343 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:28,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:28,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-15 20:13:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-03-15 20:13:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 322 states have (on average 1.8944099378881987) internal successors, (610), 328 states have internal predecessors, (610), 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) [2022-03-15 20:13:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 610 transitions. [2022-03-15 20:13:28,354 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 610 transitions. Word has length 19 [2022-03-15 20:13:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:28,354 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 610 transitions. [2022-03-15 20:13:28,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-03-15 20:13:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 610 transitions. [2022-03-15 20:13:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:13:28,355 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:28,355 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:28,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:28,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,558 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1427248128, now seen corresponding path program 2 times [2022-03-15 20:13:28,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:28,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587591061] [2022-03-15 20:13:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:28,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587591061] [2022-03-15 20:13:28,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587591061] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:28,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458304684] [2022-03-15 20:13:28,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:28,604 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:28,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 20:13:28,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:28,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:28,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:28,711 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-15 20:13:28,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:28,749 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-15 20:13:28,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:28,789 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-15 20:13:28,789 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-03-15 20:13:28,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:28,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458304684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:28,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:28,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2022-03-15 20:13:28,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [524640162] [2022-03-15 20:13:28,809 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,811 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,814 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 20:13:28,814 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,814 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:28,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:28,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:28,815 INFO L87 Difference]: Start difference. First operand 329 states and 610 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-03-15 20:13:28,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:28,999 INFO L93 Difference]: Finished difference Result 396 states and 737 transitions. [2022-03-15 20:13:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:29,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 20 [2022-03-15 20:13:29,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:29,002 INFO L225 Difference]: With dead ends: 396 [2022-03-15 20:13:29,002 INFO L226 Difference]: Without dead ends: 370 [2022-03-15 20:13:29,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:29,003 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 34 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:29,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 27 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-03-15 20:13:29,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 355. [2022-03-15 20:13:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 348 states have (on average 1.8850574712643677) internal successors, (656), 354 states have internal predecessors, (656), 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) [2022-03-15 20:13:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 656 transitions. [2022-03-15 20:13:29,010 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 656 transitions. Word has length 20 [2022-03-15 20:13:29,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:29,010 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 656 transitions. [2022-03-15 20:13:29,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-03-15 20:13:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 656 transitions. [2022-03-15 20:13:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:13:29,011 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:29,011 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:29,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:29,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,232 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1960739870, now seen corresponding path program 1 times [2022-03-15 20:13:29,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:29,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247687435] [2022-03-15 20:13:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:29,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247687435] [2022-03-15 20:13:29,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247687435] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:29,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613297434] [2022-03-15 20:13:29,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:29,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 20:13:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 20:13:29,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613297434] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:29,452 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:29,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-03-15 20:13:29,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [473920115] [2022-03-15 20:13:29,452 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:29,454 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:29,457 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 20:13:29,457 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:29,457 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:29,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 20:13:29,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:29,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 20:13:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,458 INFO L87 Difference]: Start difference. First operand 355 states and 656 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-03-15 20:13:29,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:29,479 INFO L93 Difference]: Finished difference Result 356 states and 657 transitions. [2022-03-15 20:13:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:13:29,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2022-03-15 20:13:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:29,481 INFO L225 Difference]: With dead ends: 356 [2022-03-15 20:13:29,481 INFO L226 Difference]: Without dead ends: 356 [2022-03-15 20:13:29,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,481 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:29,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:29,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-03-15 20:13:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-03-15 20:13:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 349 states have (on average 1.8825214899713467) internal successors, (657), 355 states have internal predecessors, (657), 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) [2022-03-15 20:13:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 657 transitions. [2022-03-15 20:13:29,487 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 657 transitions. Word has length 20 [2022-03-15 20:13:29,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:29,487 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 657 transitions. [2022-03-15 20:13:29,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-03-15 20:13:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 657 transitions. [2022-03-15 20:13:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 20:13:29,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:29,488 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:29,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:29,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,692 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:29,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash 564983512, now seen corresponding path program 2 times [2022-03-15 20:13:29,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:29,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829272329] [2022-03-15 20:13:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:29,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829272329] [2022-03-15 20:13:29,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829272329] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:29,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765387698] [2022-03-15 20:13:29,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:29,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:29,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-15 20:13:29,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:29,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:29,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:29,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:29,837 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:29,849 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:29,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:29,877 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:29,877 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:29,917 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:29,917 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-15 20:13:29,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:29,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765387698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:29,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:29,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2022-03-15 20:13:29,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1327429375] [2022-03-15 20:13:29,936 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:29,938 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:29,941 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2022-03-15 20:13:29,941 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:29,942 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:29,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:29,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:29,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:29,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:29,942 INFO L87 Difference]: Start difference. First operand 356 states and 657 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-03-15 20:13:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:30,060 INFO L93 Difference]: Finished difference Result 407 states and 751 transitions. [2022-03-15 20:13:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:30,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 21 [2022-03-15 20:13:30,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:30,061 INFO L225 Difference]: With dead ends: 407 [2022-03-15 20:13:30,061 INFO L226 Difference]: Without dead ends: 381 [2022-03-15 20:13:30,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:30,062 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:30,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 16 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-03-15 20:13:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2022-03-15 20:13:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 374 states have (on average 1.8636363636363635) internal successors, (697), 380 states have internal predecessors, (697), 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) [2022-03-15 20:13:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 697 transitions. [2022-03-15 20:13:30,068 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 697 transitions. Word has length 21 [2022-03-15 20:13:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:30,068 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 697 transitions. [2022-03-15 20:13:30,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-03-15 20:13:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 697 transitions. [2022-03-15 20:13:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 20:13:30,069 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:30,069 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:30,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:30,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-15 20:13:30,280 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash -729338967, now seen corresponding path program 1 times [2022-03-15 20:13:30,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:30,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13468190] [2022-03-15 20:13:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:30,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:30,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:30,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13468190] [2022-03-15 20:13:30,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13468190] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:30,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568210071] [2022-03-15 20:13:30,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:30,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:30,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:30,321 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:30,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-15 20:13:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:30,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-15 20:13:30,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:30,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:30,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568210071] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:30,483 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:30,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-03-15 20:13:30,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1421707817] [2022-03-15 20:13:30,483 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:30,489 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:30,501 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 54 transitions. [2022-03-15 20:13:30,501 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:30,544 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:30,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:13:30,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:13:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:30,545 INFO L87 Difference]: Start difference. First operand 381 states and 697 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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) [2022-03-15 20:13:30,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:30,568 INFO L93 Difference]: Finished difference Result 382 states and 698 transitions. [2022-03-15 20:13:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 20:13:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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 [2022-03-15 20:13:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:30,570 INFO L225 Difference]: With dead ends: 382 [2022-03-15 20:13:30,570 INFO L226 Difference]: Without dead ends: 382 [2022-03-15 20:13:30,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:30,571 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:30,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-03-15 20:13:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-03-15 20:13:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 375 states have (on average 1.8613333333333333) internal successors, (698), 381 states have internal predecessors, (698), 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) [2022-03-15 20:13:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 698 transitions. [2022-03-15 20:13:30,577 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 698 transitions. Word has length 24 [2022-03-15 20:13:30,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:30,577 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 698 transitions. [2022-03-15 20:13:30,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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) [2022-03-15 20:13:30,577 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 698 transitions. [2022-03-15 20:13:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 20:13:30,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:30,577 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:30,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:30,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-15 20:13:30,791 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:30,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -229622881, now seen corresponding path program 2 times [2022-03-15 20:13:30,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:30,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479897391] [2022-03-15 20:13:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:30,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:30,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479897391] [2022-03-15 20:13:30,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479897391] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:30,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464917329] [2022-03-15 20:13:30,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:30,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:30,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:30,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-15 20:13:30,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:30,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:30,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-15 20:13:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:30,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:30,989 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,034 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,090 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:31,150 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:31,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:31,222 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:31,222 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 73 [2022-03-15 20:13:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-15 20:13:31,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:31,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464917329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:31,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:31,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 16 [2022-03-15 20:13:31,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1199368795] [2022-03-15 20:13:31,240 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:31,243 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:31,253 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 55 transitions. [2022-03-15 20:13:31,253 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:31,976 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 8 new interpolants: [11624#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 11620#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) |ULTIMATE.start_main_#t~nondet43#1|) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet43#1|)), 11623#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 11621#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet43#1|)), 11626#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 11622#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 11619#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) |ULTIMATE.start_main_#t~nondet43#1|) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet43#1|) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet43#1|)), 11625#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))))] [2022-03-15 20:13:31,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 20:13:31,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 20:13:31,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2022-03-15 20:13:31,977 INFO L87 Difference]: Start difference. First operand 382 states and 698 transitions. Second operand has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 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) [2022-03-15 20:13:32,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:32,715 INFO L93 Difference]: Finished difference Result 725 states and 1317 transitions. [2022-03-15 20:13:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 20:13:32,716 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 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 25 [2022-03-15 20:13:32,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:32,718 INFO L225 Difference]: With dead ends: 725 [2022-03-15 20:13:32,718 INFO L226 Difference]: Without dead ends: 702 [2022-03-15 20:13:32,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2022-03-15 20:13:32,719 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 193 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:32,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 19 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 20:13:32,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-03-15 20:13:32,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 562. [2022-03-15 20:13:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 555 states have (on average 1.90990990990991) internal successors, (1060), 561 states have internal predecessors, (1060), 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) [2022-03-15 20:13:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1060 transitions. [2022-03-15 20:13:32,729 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1060 transitions. Word has length 25 [2022-03-15 20:13:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:32,729 INFO L470 AbstractCegarLoop]: Abstraction has 562 states and 1060 transitions. [2022-03-15 20:13:32,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 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) [2022-03-15 20:13:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1060 transitions. [2022-03-15 20:13:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 20:13:32,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:32,730 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:32,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:32,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-15 20:13:32,940 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:32,940 INFO L85 PathProgramCache]: Analyzing trace with hash 675190646, now seen corresponding path program 1 times [2022-03-15 20:13:32,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:32,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806967921] [2022-03-15 20:13:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:32,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:32,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806967921] [2022-03-15 20:13:32,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806967921] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:32,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747120123] [2022-03-15 20:13:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:32,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:32,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:32,997 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:32,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-15 20:13:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:33,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 20:13:33,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:33,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:33,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747120123] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:33,171 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:33,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-03-15 20:13:33,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [718488595] [2022-03-15 20:13:33,172 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:33,174 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:33,181 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 39 transitions. [2022-03-15 20:13:33,181 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:33,229 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:33,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:33,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:33,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:33,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:33,230 INFO L87 Difference]: Start difference. First operand 562 states and 1060 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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) [2022-03-15 20:13:33,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:33,257 INFO L93 Difference]: Finished difference Result 563 states and 1061 transitions. [2022-03-15 20:13:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 20:13:33,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 25 [2022-03-15 20:13:33,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:33,261 INFO L225 Difference]: With dead ends: 563 [2022-03-15 20:13:33,261 INFO L226 Difference]: Without dead ends: 563 [2022-03-15 20:13:33,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:33,262 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:33,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-03-15 20:13:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2022-03-15 20:13:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 556 states have (on average 1.908273381294964) internal successors, (1061), 562 states have internal predecessors, (1061), 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) [2022-03-15 20:13:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1061 transitions. [2022-03-15 20:13:33,270 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1061 transitions. Word has length 25 [2022-03-15 20:13:33,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:33,270 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 1061 transitions. [2022-03-15 20:13:33,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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) [2022-03-15 20:13:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1061 transitions. [2022-03-15 20:13:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:33,272 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:33,272 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:33,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:33,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-15 20:13:33,487 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:33,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:33,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1013479872, now seen corresponding path program 2 times [2022-03-15 20:13:33,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:33,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109666891] [2022-03-15 20:13:33,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:33,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:33,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:33,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109666891] [2022-03-15 20:13:33,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109666891] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:33,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104425481] [2022-03-15 20:13:33,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:33,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:33,560 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:33,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-15 20:13:33,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:33,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:33,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-15 20:13:33,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:33,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:33,692 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:33,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:33,723 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,776 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:33,869 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:33,869 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2022-03-15 20:13:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-15 20:13:33,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:33,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104425481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:33,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:33,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 17 [2022-03-15 20:13:33,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [626940341] [2022-03-15 20:13:33,887 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:33,890 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:33,896 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 40 transitions. [2022-03-15 20:13:33,896 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:34,281 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [15426#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 15429#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 15428#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)))), 15427#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))))] [2022-03-15 20:13:34,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:13:34,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:34,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:13:34,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-03-15 20:13:34,282 INFO L87 Difference]: Start difference. First operand 563 states and 1061 transitions. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 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) [2022-03-15 20:13:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:34,775 INFO L93 Difference]: Finished difference Result 661 states and 1199 transitions. [2022-03-15 20:13:34,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 20:13:34,776 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 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 26 [2022-03-15 20:13:34,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:34,778 INFO L225 Difference]: With dead ends: 661 [2022-03-15 20:13:34,778 INFO L226 Difference]: Without dead ends: 649 [2022-03-15 20:13:34,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2022-03-15 20:13:34,779 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 118 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:34,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 16 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-03-15 20:13:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 547. [2022-03-15 20:13:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 540 states have (on average 1.8925925925925926) internal successors, (1022), 546 states have internal predecessors, (1022), 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) [2022-03-15 20:13:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 1022 transitions. [2022-03-15 20:13:34,795 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 1022 transitions. Word has length 26 [2022-03-15 20:13:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:34,795 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 1022 transitions. [2022-03-15 20:13:34,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 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) [2022-03-15 20:13:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1022 transitions. [2022-03-15 20:13:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:34,796 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:34,796 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:34,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-15 20:13:35,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-15 20:13:35,007 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:35,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1167200497, now seen corresponding path program 1 times [2022-03-15 20:13:35,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600066725] [2022-03-15 20:13:35,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600066725] [2022-03-15 20:13:35,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600066725] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:35,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753652870] [2022-03-15 20:13:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:35,085 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:35,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-15 20:13:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 20:13:35,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753652870] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:35,264 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:35,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-03-15 20:13:35,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1870380130] [2022-03-15 20:13:35,264 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:35,267 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:35,273 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 46 transitions. [2022-03-15 20:13:35,273 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:35,302 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:35,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:35,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:35,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,303 INFO L87 Difference]: Start difference. First operand 547 states and 1022 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-03-15 20:13:35,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:35,332 INFO L93 Difference]: Finished difference Result 548 states and 1023 transitions. [2022-03-15 20:13:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:35,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 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 26 [2022-03-15 20:13:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:35,334 INFO L225 Difference]: With dead ends: 548 [2022-03-15 20:13:35,334 INFO L226 Difference]: Without dead ends: 548 [2022-03-15 20:13:35,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,335 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:35,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-03-15 20:13:35,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2022-03-15 20:13:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 541 states have (on average 1.8909426987060998) internal successors, (1023), 547 states have internal predecessors, (1023), 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) [2022-03-15 20:13:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1023 transitions. [2022-03-15 20:13:35,342 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1023 transitions. Word has length 26 [2022-03-15 20:13:35,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:35,342 INFO L470 AbstractCegarLoop]: Abstraction has 548 states and 1023 transitions. [2022-03-15 20:13:35,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-03-15 20:13:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1023 transitions. [2022-03-15 20:13:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-03-15 20:13:35,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:35,348 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:35,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:35,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-15 20:13:35,548 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:35,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1976379003, now seen corresponding path program 2 times [2022-03-15 20:13:35,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791713947] [2022-03-15 20:13:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791713947] [2022-03-15 20:13:35,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791713947] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:35,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099375353] [2022-03-15 20:13:35,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:35,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:35,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:35,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-15 20:13:35,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:35,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:35,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-15 20:13:35,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:35,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:35,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:35,879 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:35,879 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 67 [2022-03-15 20:13:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 69 [2022-03-15 20:13:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,038 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 69 [2022-03-15 20:13:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 69 [2022-03-15 20:13:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,234 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:36,234 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 107 treesize of output 124 [2022-03-15 20:13:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-15 20:13:38,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:38,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099375353] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:38,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:38,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 20 [2022-03-15 20:13:38,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [853626127] [2022-03-15 20:13:38,381 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:38,384 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:38,391 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 47 transitions. [2022-03-15 20:13:38,391 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:38,692 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [19107#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 19104#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 19105#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 19106#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0))] [2022-03-15 20:13:38,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:38,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:38,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:38,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=436, Unknown=4, NotChecked=0, Total=552 [2022-03-15 20:13:38,693 INFO L87 Difference]: Start difference. First operand 548 states and 1023 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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) [2022-03-15 20:13:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:42,030 INFO L93 Difference]: Finished difference Result 659 states and 1200 transitions. [2022-03-15 20:13:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 20:13:42,031 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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 27 [2022-03-15 20:13:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:42,033 INFO L225 Difference]: With dead ends: 659 [2022-03-15 20:13:42,033 INFO L226 Difference]: Without dead ends: 651 [2022-03-15 20:13:42,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=222, Invalid=762, Unknown=8, NotChecked=0, Total=992 [2022-03-15 20:13:42,034 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 174 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:42,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 23 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 538 Invalid, 0 Unknown, 174 Unchecked, 0.5s Time] [2022-03-15 20:13:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-03-15 20:13:42,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 542. [2022-03-15 20:13:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 535 states have (on average 1.8803738317757008) internal successors, (1006), 541 states have internal predecessors, (1006), 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) [2022-03-15 20:13:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 1006 transitions. [2022-03-15 20:13:42,042 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 1006 transitions. Word has length 27 [2022-03-15 20:13:42,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:42,042 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 1006 transitions. [2022-03-15 20:13:42,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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) [2022-03-15 20:13:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1006 transitions. [2022-03-15 20:13:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-03-15 20:13:42,043 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:42,043 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:42,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:42,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:42,262 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:42,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:42,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1337303523, now seen corresponding path program 1 times [2022-03-15 20:13:42,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:42,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929010892] [2022-03-15 20:13:42,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:42,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:42,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929010892] [2022-03-15 20:13:42,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929010892] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:42,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099104752] [2022-03-15 20:13:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:42,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:42,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:42,338 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:42,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-15 20:13:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:42,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-15 20:13:42,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:42,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:42,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099104752] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:42,523 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:42,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-03-15 20:13:42,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [37937792] [2022-03-15 20:13:42,523 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:42,526 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:42,533 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 41 transitions. [2022-03-15 20:13:42,533 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:42,571 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:42,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:13:42,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:13:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:42,573 INFO L87 Difference]: Start difference. First operand 542 states and 1006 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-03-15 20:13:42,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:42,603 INFO L93 Difference]: Finished difference Result 543 states and 1007 transitions. [2022-03-15 20:13:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 20:13:42,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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 27 [2022-03-15 20:13:42,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:42,605 INFO L225 Difference]: With dead ends: 543 [2022-03-15 20:13:42,605 INFO L226 Difference]: Without dead ends: 543 [2022-03-15 20:13:42,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:42,605 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:42,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-03-15 20:13:42,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2022-03-15 20:13:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 536 states have (on average 1.8787313432835822) internal successors, (1007), 542 states have internal predecessors, (1007), 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) [2022-03-15 20:13:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1007 transitions. [2022-03-15 20:13:42,615 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1007 transitions. Word has length 27 [2022-03-15 20:13:42,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:42,615 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 1007 transitions. [2022-03-15 20:13:42,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-03-15 20:13:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1007 transitions. [2022-03-15 20:13:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 20:13:42,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:42,616 INFO L514 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:42,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:42,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-15 20:13:42,835 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:42,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:42,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2022573613, now seen corresponding path program 2 times [2022-03-15 20:13:42,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:42,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972032144] [2022-03-15 20:13:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:42,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:42,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:42,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972032144] [2022-03-15 20:13:42,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972032144] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:42,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353582127] [2022-03-15 20:13:42,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:42,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:42,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:42,915 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:42,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-15 20:13:43,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:43,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:43,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 33 conjunts are in the unsatisfiable core [2022-03-15 20:13:43,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:43,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:43,065 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:43,065 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:43,166 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:43,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,347 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:43,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:13:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-15 20:13:43,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:43,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353582127] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:43,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:43,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 19 [2022-03-15 20:13:43,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1063009422] [2022-03-15 20:13:43,379 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:43,382 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:43,389 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 42 transitions. [2022-03-15 20:13:43,390 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:43,504 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:43,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:43,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:43,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:43,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-03-15 20:13:43,505 INFO L87 Difference]: Start difference. First operand 543 states and 1007 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-03-15 20:13:44,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:44,007 INFO L93 Difference]: Finished difference Result 577 states and 1047 transitions. [2022-03-15 20:13:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 20:13:44,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 28 [2022-03-15 20:13:44,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:44,009 INFO L225 Difference]: With dead ends: 577 [2022-03-15 20:13:44,009 INFO L226 Difference]: Without dead ends: 453 [2022-03-15 20:13:44,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2022-03-15 20:13:44,010 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 94 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:44,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 20 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 20:13:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-03-15 20:13:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 436. [2022-03-15 20:13:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 429 states have (on average 1.8391608391608392) internal successors, (789), 435 states have internal predecessors, (789), 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) [2022-03-15 20:13:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 789 transitions. [2022-03-15 20:13:44,016 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 789 transitions. Word has length 28 [2022-03-15 20:13:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:44,016 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 789 transitions. [2022-03-15 20:13:44,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-03-15 20:13:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 789 transitions. [2022-03-15 20:13:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 20:13:44,017 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:44,017 INFO L514 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:44,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-03-15 20:13:44,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-15 20:13:44,231 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:44,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:44,232 INFO L85 PathProgramCache]: Analyzing trace with hash -719249616, now seen corresponding path program 3 times [2022-03-15 20:13:44,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:44,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246741644] [2022-03-15 20:13:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:44,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:44,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:44,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246741644] [2022-03-15 20:13:44,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246741644] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:44,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598220832] [2022-03-15 20:13:44,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:13:44,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:44,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:44,298 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:44,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-15 20:13:44,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 20:13:44,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:44,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 20:13:44,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:44,432 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:44,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:44,484 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:44,485 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:44,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-03-15 20:13:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,566 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,615 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,669 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,798 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 89 [2022-03-15 20:13:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:44,898 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:44,898 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 103 [2022-03-15 20:13:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-15 20:13:46,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:46,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598220832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:46,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:46,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 21 [2022-03-15 20:13:46,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1172450519] [2022-03-15 20:13:46,959 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:46,962 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:46,970 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 38 transitions. [2022-03-15 20:13:46,970 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:47,070 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [24327#(and (= (mod (+ |t_funThread1of1ForFork0_~p~0#1.offset| (* |~#a~0.offset| 27)) 28) 0) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))] [2022-03-15 20:13:47,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 20:13:47,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 20:13:47,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2022-03-15 20:13:47,071 INFO L87 Difference]: Start difference. First operand 436 states and 789 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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) [2022-03-15 20:13:47,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:47,560 INFO L93 Difference]: Finished difference Result 577 states and 1056 transitions. [2022-03-15 20:13:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:13:47,561 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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 28 [2022-03-15 20:13:47,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:47,562 INFO L225 Difference]: With dead ends: 577 [2022-03-15 20:13:47,563 INFO L226 Difference]: Without dead ends: 577 [2022-03-15 20:13:47,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2022-03-15 20:13:47,563 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 100 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:47,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 4 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 430 Invalid, 0 Unknown, 122 Unchecked, 0.3s Time] [2022-03-15 20:13:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-03-15 20:13:47,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 454. [2022-03-15 20:13:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 447 states have (on average 1.8456375838926173) internal successors, (825), 453 states have internal predecessors, (825), 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) [2022-03-15 20:13:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 825 transitions. [2022-03-15 20:13:47,571 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 825 transitions. Word has length 28 [2022-03-15 20:13:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:47,571 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 825 transitions. [2022-03-15 20:13:47,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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) [2022-03-15 20:13:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 825 transitions. [2022-03-15 20:13:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 20:13:47,572 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:47,572 INFO L514 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:47,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:47,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-15 20:13:47,785 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:47,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:47,785 INFO L85 PathProgramCache]: Analyzing trace with hash -645761946, now seen corresponding path program 4 times [2022-03-15 20:13:47,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:47,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370822257] [2022-03-15 20:13:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:47,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:47,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:47,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370822257] [2022-03-15 20:13:47,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370822257] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:47,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603881929] [2022-03-15 20:13:47,855 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:13:47,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:47,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:47,856 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:47,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-15 20:13:47,963 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:13:47,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:47,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 20:13:47,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:48,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:48,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603881929] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:48,062 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:48,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2022-03-15 20:13:48,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2133679716] [2022-03-15 20:13:48,062 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:48,065 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:48,072 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 36 transitions. [2022-03-15 20:13:48,073 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:48,087 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:48,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 20:13:48,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:48,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 20:13:48,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:48,088 INFO L87 Difference]: Start difference. First operand 454 states and 825 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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) [2022-03-15 20:13:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:48,113 INFO L93 Difference]: Finished difference Result 455 states and 826 transitions. [2022-03-15 20:13:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:13:48,113 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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 28 [2022-03-15 20:13:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:48,114 INFO L225 Difference]: With dead ends: 455 [2022-03-15 20:13:48,114 INFO L226 Difference]: Without dead ends: 455 [2022-03-15 20:13:48,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:48,119 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:48,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-03-15 20:13:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-03-15 20:13:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 448 states have (on average 1.84375) internal successors, (826), 454 states have internal predecessors, (826), 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) [2022-03-15 20:13:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 826 transitions. [2022-03-15 20:13:48,125 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 826 transitions. Word has length 28 [2022-03-15 20:13:48,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:48,126 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 826 transitions. [2022-03-15 20:13:48,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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) [2022-03-15 20:13:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 826 transitions. [2022-03-15 20:13:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 20:13:48,126 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:48,126 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:48,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:48,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:48,343 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:48,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:48,344 INFO L85 PathProgramCache]: Analyzing trace with hash -877225636, now seen corresponding path program 5 times [2022-03-15 20:13:48,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:48,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763318636] [2022-03-15 20:13:48,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:48,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:52,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:52,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763318636] [2022-03-15 20:13:52,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763318636] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:52,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723698722] [2022-03-15 20:13:52,775 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 20:13:52,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:52,776 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:52,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-15 20:13:52,925 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-15 20:13:52,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:52,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 51 conjunts are in the unsatisfiable core [2022-03-15 20:13:52,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:52,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:53,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:53,052 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:53,052 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:53,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-03-15 20:13:53,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,224 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,247 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-03-15 20:13:53,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,292 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:53,461 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:53,462 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 103 [2022-03-15 20:14:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-15 20:14:01,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:06,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:06,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:06,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:29,111 WARN L228 SmtUtils]: Spent 22.25s on a formula simplification. DAG size of input: 1378 DAG size of output: 1356 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 20:14:29,120 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-15 20:14:29,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-03-15 20:14:29,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:29,326 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-15 20:14:29,329 INFO L158 Benchmark]: Toolchain (without parser) took 66366.13ms. Allocated memory was 174.1MB in the beginning and 449.8MB in the end (delta: 275.8MB). Free memory was 121.3MB in the beginning and 401.7MB in the end (delta: -280.5MB). Peak memory consumption was 254.9MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,329 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:14:29,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 174.1MB. Free memory was 121.0MB in the beginning and 132.4MB in the end (delta: -11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.37ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 129.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,329 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,329 INFO L158 Benchmark]: RCFGBuilder took 346.01ms. Allocated memory is still 174.1MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,330 INFO L158 Benchmark]: TraceAbstraction took 65529.61ms. Allocated memory was 174.1MB in the beginning and 449.8MB in the end (delta: 275.8MB). Free memory was 112.5MB in the beginning and 401.7MB in the end (delta: -289.3MB). Peak memory consumption was 247.6MB. Max. memory is 8.0GB. [2022-03-15 20:14:29,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 174.1MB. Free memory was 121.0MB in the beginning and 132.4MB in the end (delta: -11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.37ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 129.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 346.01ms. Allocated memory is still 174.1MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 65529.61ms. Allocated memory was 174.1MB in the beginning and 449.8MB in the end (delta: 275.8MB). Free memory was 112.5MB in the beginning and 401.7MB in the end (delta: -289.3MB). Peak memory consumption was 247.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 106 PlacesBefore, 40 PlacesAfterwards, 106 TransitionsBefore, 37 TransitionsAfterwards, 2400 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 79 TotalNumberOfCompositions, 8154 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2143, positive: 1808, positive conditional: 0, positive unconditional: 1808, negative: 335, negative conditional: 0, negative unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1125, positive: 1072, positive conditional: 0, positive unconditional: 1072, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2143, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 282, negative conditional: 0, negative unconditional: 282, unknown: 1125, unknown conditional: 0, unknown unconditional: 1125] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-15 20:14:29,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...