/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:27,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:27,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:27,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:20:27,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:20:27,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:20:27,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:20:27,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:20:27,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:20:27,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:20:27,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:20:27,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:20:27,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:27,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:27,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:27,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:27,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:27,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:27,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:27,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:27,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:27,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:27,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:27,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:27,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:20:27,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:20:27,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:20:27,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:20:27,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:20:27,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-03 18:20:27,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:27,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:27,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:27,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 18:20:27,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:27,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:27,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:27,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:27,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:27,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:27,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:27,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:27,281 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:27,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:27,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:27,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:27,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:27,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:27,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:27,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:27,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:27,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:27,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:27,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:27,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:27,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:27,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:27,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:27,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:27,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:27,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:27,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:27,540 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:27,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-03-03 18:20:27,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e5a0160/f6349f26f4d543488802a90da1f3d0b8/FLAG6f29e7d31 [2022-03-03 18:20:28,036 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:28,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-03-03 18:20:28,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e5a0160/f6349f26f4d543488802a90da1f3d0b8/FLAG6f29e7d31 [2022-03-03 18:20:28,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e5a0160/f6349f26f4d543488802a90da1f3d0b8 [2022-03-03 18:20:28,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:28,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:28,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:28,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:28,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:28,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:28,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48171430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28, skipping insertion in model container [2022-03-03 18:20:28,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:28,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:28,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:28,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:28,815 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:28,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:28,927 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:28,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28 WrapperNode [2022-03-03 18:20:28,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:28,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:28,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:28,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:28,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:28,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:28,987 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-03-03 18:20:28,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:28,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:28,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:28,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:28,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:28,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:29,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:29,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:29,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:29,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (1/1) ... [2022-03-03 18:20:29,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:29,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:29,052 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) [2022-03-03 18:20:29,076 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 [2022-03-03 18:20:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:29,093 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:29,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:29,094 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:20:29,228 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:29,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:29,386 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:29,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:29,393 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-03 18:20:29,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:29 BoogieIcfgContainer [2022-03-03 18:20:29,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:29,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:29,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:29,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:29,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:28" (1/3) ... [2022-03-03 18:20:29,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2313239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:28" (2/3) ... [2022-03-03 18:20:29,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2313239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:29" (3/3) ... [2022-03-03 18:20:29,401 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-03-03 18:20:29,405 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:29,406 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:29,406 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-03 18:20:29,406 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:29,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,430 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,430 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,445 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:20:29,489 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:29,495 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:20:29,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-03 18:20:29,515 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-03-03 18:20:29,594 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-03-03 18:20:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-03-03 18:20:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-03 18:20:29,605 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:29,605 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:29,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:29,615 INFO L85 PathProgramCache]: Analyzing trace with hash -956776958, now seen corresponding path program 1 times [2022-03-03 18:20:29,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:29,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625913195] [2022-03-03 18:20:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:29,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:29,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:29,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625913195] [2022-03-03 18:20:29,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625913195] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:29,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:29,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:29,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637470042] [2022-03-03 18:20:29,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:29,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:29,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:29,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:29,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:29,946 INFO L87 Difference]: Start difference. First operand has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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) [2022-03-03 18:20:30,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,006 INFO L93 Difference]: Finished difference Result 469 states and 860 transitions. [2022-03-03 18:20:30,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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 33 [2022-03-03 18:20:30,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,022 INFO L225 Difference]: With dead ends: 469 [2022-03-03 18:20:30,022 INFO L226 Difference]: Without dead ends: 445 [2022-03-03 18:20:30,024 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 [2022-03-03 18:20:30,027 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 32 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 138 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-03-03 18:20:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-03-03 18:20:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 382 states have (on average 1.8534031413612566) internal successors, (708), 388 states have internal predecessors, (708), 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) [2022-03-03 18:20:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 708 transitions. [2022-03-03 18:20:30,090 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 708 transitions. Word has length 33 [2022-03-03 18:20:30,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,091 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 708 transitions. [2022-03-03 18:20:30,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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) [2022-03-03 18:20:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 708 transitions. [2022-03-03 18:20:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-03 18:20:30,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:30,093 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash 474430293, now seen corresponding path program 1 times [2022-03-03 18:20:30,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586506869] [2022-03-03 18:20:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:30,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:30,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586506869] [2022-03-03 18:20:30,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586506869] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:30,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:30,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:30,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182636228] [2022-03-03 18:20:30,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:30,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:30,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:30,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,179 INFO L87 Difference]: Start difference. First operand 389 states and 708 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-03-03 18:20:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,228 INFO L93 Difference]: Finished difference Result 401 states and 725 transitions. [2022-03-03 18:20:30,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-03-03 18:20:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,232 INFO L225 Difference]: With dead ends: 401 [2022-03-03 18:20:30,232 INFO L226 Difference]: Without dead ends: 361 [2022-03-03 18:20:30,233 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 [2022-03-03 18:20:30,234 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 21 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 131 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-03-03 18:20:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 347. [2022-03-03 18:20:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 341 states have (on average 1.81524926686217) internal successors, (619), 346 states have internal predecessors, (619), 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) [2022-03-03 18:20:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 619 transitions. [2022-03-03 18:20:30,270 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 619 transitions. Word has length 38 [2022-03-03 18:20:30,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,270 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 619 transitions. [2022-03-03 18:20:30,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-03-03 18:20:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 619 transitions. [2022-03-03 18:20:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-03 18:20:30,272 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:30,273 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,274 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-03-03 18:20:30,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939185676] [2022-03-03 18:20:30,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:30,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:30,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939185676] [2022-03-03 18:20:30,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939185676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:30,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:30,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:30,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493174028] [2022-03-03 18:20:30,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:30,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:30,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:30,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,320 INFO L87 Difference]: Start difference. First operand 347 states and 619 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-03-03 18:20:30,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,350 INFO L93 Difference]: Finished difference Result 349 states and 612 transitions. [2022-03-03 18:20:30,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2022-03-03 18:20:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,352 INFO L225 Difference]: With dead ends: 349 [2022-03-03 18:20:30,353 INFO L226 Difference]: Without dead ends: 253 [2022-03-03 18:20:30,353 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 [2022-03-03 18:20:30,354 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 17 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 125 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-03-03 18:20:30,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-03-03 18:20:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.6706827309236947) internal successors, (416), 252 states have internal predecessors, (416), 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) [2022-03-03 18:20:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 416 transitions. [2022-03-03 18:20:30,370 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 416 transitions. Word has length 44 [2022-03-03 18:20:30,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,371 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 416 transitions. [2022-03-03 18:20:30,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-03-03 18:20:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 416 transitions. [2022-03-03 18:20:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-03 18:20:30,390 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:30,390 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1044667063, now seen corresponding path program 1 times [2022-03-03 18:20:30,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534814948] [2022-03-03 18:20:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:30,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:20:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:30,518 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:20:30,518 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:20:30,519 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-03 18:20:30,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-03 18:20:30,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-03 18:20:30,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:30,526 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-03 18:20:30,530 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:20:30,530 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:20:30,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:20:30 BasicIcfg [2022-03-03 18:20:30,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:20:30,564 INFO L158 Benchmark]: Toolchain (without parser) took 2178.88ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 137.6MB in the beginning and 174.7MB in the end (delta: -37.0MB). Peak memory consumption was 4.3MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,564 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:30,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.76ms. Allocated memory is still 187.7MB. Free memory was 137.3MB in the beginning and 151.0MB in the end (delta: -13.7MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.09ms. Allocated memory is still 187.7MB. Free memory was 151.0MB in the beginning and 148.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,566 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 187.7MB. Free memory was 148.9MB in the beginning and 147.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,566 INFO L158 Benchmark]: RCFGBuilder took 376.08ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 134.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,567 INFO L158 Benchmark]: TraceAbstraction took 1168.01ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 134.7MB in the beginning and 174.7MB in the end (delta: -39.9MB). Peak memory consumption was 982.6kB. Max. memory is 8.0GB. [2022-03-03 18:20:30,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 542.76ms. Allocated memory is still 187.7MB. Free memory was 137.3MB in the beginning and 151.0MB in the end (delta: -13.7MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.09ms. Allocated memory is still 187.7MB. Free memory was 151.0MB in the beginning and 148.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 187.7MB. Free memory was 148.9MB in the beginning and 147.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 376.08ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 134.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1168.01ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 134.7MB in the beginning and 174.7MB in the end (delta: -39.9MB). Peak memory consumption was 982.6kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 929]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, mutex={1:0}] [L936] COND TRUE 0 1 VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [923] and C: glob++ [929] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 241 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:20:30,651 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...