/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 -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 10:49:08,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 10:49:08,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 10:49:08,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 10:49:08,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 10:49:08,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 10:49:08,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 10:49:08,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 10:49:08,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 10:49:08,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 10:49:08,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 10:49:08,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 10:49:08,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 10:49:08,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 10:49:08,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 10:49:08,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 10:49:08,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 10:49:08,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 10:49:08,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 10:49:08,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 10:49:08,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 10:49:08,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 10:49:08,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 10:49:08,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 10:49:08,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 10:49:08,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 10:49:08,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 10:49:08,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 10:49:08,251 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 [2022-02-15 10:49:08,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 10:49:08,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 10:49:08,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 10:49:08,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 10:49:08,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 10:49:08,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 10:49:08,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 10:49:08,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 10:49:08,280 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 10:49:08,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 10:49:08,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 10:49:08,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 10:49:08,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 10:49:08,282 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 10:49:08,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 10:49:08,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 10:49:08,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 10:49:08,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 10:49:08,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 10:49:08,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 10:49:08,505 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 10:49:08,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2022-02-15 10:49:08,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c83b1c90/b2ace1d750564f5a89d0d551ac0a2f91/FLAG664fa5abe [2022-02-15 10:49:08,985 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 10:49:08,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2022-02-15 10:49:09,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c83b1c90/b2ace1d750564f5a89d0d551ac0a2f91/FLAG664fa5abe [2022-02-15 10:49:09,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c83b1c90/b2ace1d750564f5a89d0d551ac0a2f91 [2022-02-15 10:49:09,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 10:49:09,015 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 10:49:09,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 10:49:09,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 10:49:09,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 10:49:09,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5732b85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09, skipping insertion in model container [2022-02-15 10:49:09,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 10:49:09,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 10:49:09,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2022-02-15 10:49:09,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 10:49:09,294 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 10:49:09,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2022-02-15 10:49:09,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 10:49:09,341 INFO L208 MainTranslator]: Completed translation [2022-02-15 10:49:09,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09 WrapperNode [2022-02-15 10:49:09,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 10:49:09,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 10:49:09,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 10:49:09,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 10:49:09,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,371 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-02-15 10:49:09,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 10:49:09,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 10:49:09,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 10:49:09,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 10:49:09,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 10:49:09,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 10:49:09,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 10:49:09,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 10:49:09,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (1/1) ... [2022-02-15 10:49:09,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 10:49:09,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 10:49:09,414 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) [2022-02-15 10:49:09,423 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 [2022-02-15 10:49:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 10:49:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-15 10:49:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-15 10:49:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 10:49:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 10:49:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 10:49:09,440 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 10:49:09,503 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 10:49:09,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 10:49:09,729 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 10:49:09,734 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 10:49:09,734 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 10:49:09,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:49:09 BoogieIcfgContainer [2022-02-15 10:49:09,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 10:49:09,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 10:49:09,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 10:49:09,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 10:49:09,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:49:09" (1/3) ... [2022-02-15 10:49:09,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1cc8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:49:09, skipping insertion in model container [2022-02-15 10:49:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:49:09" (2/3) ... [2022-02-15 10:49:09,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1cc8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:49:09, skipping insertion in model container [2022-02-15 10:49:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:49:09" (3/3) ... [2022-02-15 10:49:09,755 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2022-02-15 10:49:09,759 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 10:49:09,759 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 10:49:09,775 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 10:49:09,776 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 10:49:09,827 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,827 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,827 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,827 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,828 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,828 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,829 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,830 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,830 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,830 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,836 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,836 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:49:09,837 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 10:49:09,865 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 10:49:09,869 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 [2022-02-15 10:49:09,869 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-15 10:49:09,877 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 74 transitions, 158 flow [2022-02-15 10:49:09,987 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 954 states, 953 states have (on average 2.631689401888772) internal successors, (2508), 953 states have internal predecessors, (2508), 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) [2022-02-15 10:49:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 954 states, 953 states have (on average 2.631689401888772) internal successors, (2508), 953 states have internal predecessors, (2508), 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) [2022-02-15 10:49:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-15 10:49:10,010 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:49:10,014 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] [2022-02-15 10:49:10,014 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 10:49:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:49:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1233265517, now seen corresponding path program 1 times [2022-02-15 10:49:10,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:49:10,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322602984] [2022-02-15 10:49:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:49:10,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:49:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:49:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:49:10,421 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:49:10,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322602984] [2022-02-15 10:49:10,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322602984] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:49:10,421 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:49:10,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 10:49:10,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636399243] [2022-02-15 10:49:10,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:49:10,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 10:49:10,429 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:49:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 10:49:10,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 10:49:10,464 INFO L87 Difference]: Start difference. First operand has 954 states, 953 states have (on average 2.631689401888772) internal successors, (2508), 953 states have internal predecessors, (2508), 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 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-02-15 10:49:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:49:10,610 INFO L93 Difference]: Finished difference Result 1101 states and 2809 transitions. [2022-02-15 10:49:10,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 10:49:10,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 46 [2022-02-15 10:49:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:49:10,630 INFO L225 Difference]: With dead ends: 1101 [2022-02-15 10:49:10,631 INFO L226 Difference]: Without dead ends: 807 [2022-02-15 10:49:10,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:49:10,635 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 75 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:49:10,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 353 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:49:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2022-02-15 10:49:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2022-02-15 10:49:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 806 states have (on average 2.5384615384615383) internal successors, (2046), 806 states have internal predecessors, (2046), 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) [2022-02-15 10:49:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 2046 transitions. [2022-02-15 10:49:10,714 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 2046 transitions. Word has length 46 [2022-02-15 10:49:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:49:10,714 INFO L470 AbstractCegarLoop]: Abstraction has 807 states and 2046 transitions. [2022-02-15 10:49:10,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-02-15 10:49:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2046 transitions. [2022-02-15 10:49:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-15 10:49:10,719 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:49:10,719 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] [2022-02-15 10:49:10,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 10:49:10,720 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 10:49:10,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:49:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1084512876, now seen corresponding path program 1 times [2022-02-15 10:49:10,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:49:10,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792881614] [2022-02-15 10:49:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:49:10,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:49:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:49:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:49:10,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:49:10,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792881614] [2022-02-15 10:49:10,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792881614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:49:10,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:49:10,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:49:10,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688754576] [2022-02-15 10:49:10,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:49:10,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:49:10,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:49:10,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:49:10,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:49:10,873 INFO L87 Difference]: Start difference. First operand 807 states and 2046 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2022-02-15 10:49:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:49:11,080 INFO L93 Difference]: Finished difference Result 1427 states and 3577 transitions. [2022-02-15 10:49:11,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 10:49:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2022-02-15 10:49:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:49:11,084 INFO L225 Difference]: With dead ends: 1427 [2022-02-15 10:49:11,084 INFO L226 Difference]: Without dead ends: 877 [2022-02-15 10:49:11,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-02-15 10:49:11,085 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 188 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:49:11,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 428 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:49:11,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-02-15 10:49:11,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 737. [2022-02-15 10:49:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 736 states have (on average 2.432065217391304) internal successors, (1790), 736 states have internal predecessors, (1790), 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) [2022-02-15 10:49:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1790 transitions. [2022-02-15 10:49:11,102 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1790 transitions. Word has length 48 [2022-02-15 10:49:11,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:49:11,102 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1790 transitions. [2022-02-15 10:49:11,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2022-02-15 10:49:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1790 transitions. [2022-02-15 10:49:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-15 10:49:11,104 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:49:11,105 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, 1, 1] [2022-02-15 10:49:11,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 10:49:11,105 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 10:49:11,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:49:11,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1447825465, now seen corresponding path program 1 times [2022-02-15 10:49:11,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:49:11,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538501114] [2022-02-15 10:49:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:49:11,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:49:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:49:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:49:11,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:49:11,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538501114] [2022-02-15 10:49:11,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538501114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:49:11,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:49:11,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 10:49:11,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233330822] [2022-02-15 10:49:11,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:49:11,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 10:49:11,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:49:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 10:49:11,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-15 10:49:11,192 INFO L87 Difference]: Start difference. First operand 737 states and 1790 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2022-02-15 10:49:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:49:11,288 INFO L93 Difference]: Finished difference Result 867 states and 2067 transitions. [2022-02-15 10:49:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 10:49:11,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 50 [2022-02-15 10:49:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:49:11,289 INFO L225 Difference]: With dead ends: 867 [2022-02-15 10:49:11,290 INFO L226 Difference]: Without dead ends: 392 [2022-02-15 10:49:11,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-02-15 10:49:11,291 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 146 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:49:11,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 399 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:49:11,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-02-15 10:49:11,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2022-02-15 10:49:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 2.2429667519181584) internal successors, (877), 391 states have internal predecessors, (877), 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) [2022-02-15 10:49:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 877 transitions. [2022-02-15 10:49:11,298 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 877 transitions. Word has length 50 [2022-02-15 10:49:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:49:11,298 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 877 transitions. [2022-02-15 10:49:11,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2022-02-15 10:49:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 877 transitions. [2022-02-15 10:49:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 10:49:11,300 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:49:11,300 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, 1, 1, 1] [2022-02-15 10:49:11,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 10:49:11,300 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 10:49:11,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:49:11,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1852525359, now seen corresponding path program 1 times [2022-02-15 10:49:11,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:49:11,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386868316] [2022-02-15 10:49:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:49:11,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:49:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:49:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:49:11,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:49:11,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386868316] [2022-02-15 10:49:11,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386868316] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:49:11,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:49:11,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 10:49:11,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620040496] [2022-02-15 10:49:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:49:11,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 10:49:11,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:49:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 10:49:11,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 10:49:11,364 INFO L87 Difference]: Start difference. First operand 392 states and 877 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-02-15 10:49:11,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:49:11,421 INFO L93 Difference]: Finished difference Result 384 states and 833 transitions. [2022-02-15 10:49:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 10:49:11,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2022-02-15 10:49:11,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:49:11,422 INFO L225 Difference]: With dead ends: 384 [2022-02-15 10:49:11,423 INFO L226 Difference]: Without dead ends: 294 [2022-02-15 10:49:11,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:49:11,424 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 68 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:49:11,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 247 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:49:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-02-15 10:49:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-02-15 10:49:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 293 states have (on average 2.1228668941979523) internal successors, (622), 293 states have internal predecessors, (622), 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) [2022-02-15 10:49:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 622 transitions. [2022-02-15 10:49:11,429 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 622 transitions. Word has length 51 [2022-02-15 10:49:11,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:49:11,430 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 622 transitions. [2022-02-15 10:49:11,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-02-15 10:49:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 622 transitions. [2022-02-15 10:49:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-15 10:49:11,430 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:49:11,430 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, 1, 1, 1, 1] [2022-02-15 10:49:11,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 10:49:11,431 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 10:49:11,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:49:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash 440138752, now seen corresponding path program 1 times [2022-02-15 10:49:11,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:49:11,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367893035] [2022-02-15 10:49:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:49:11,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:49:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:49:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:49:11,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:49:11,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367893035] [2022-02-15 10:49:11,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367893035] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:49:11,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:49:11,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:49:11,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121861865] [2022-02-15 10:49:11,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:49:11,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:49:11,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:49:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:49:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:49:11,516 INFO L87 Difference]: Start difference. First operand 294 states and 622 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2022-02-15 10:49:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:49:11,555 INFO L93 Difference]: Finished difference Result 171 states and 333 transitions. [2022-02-15 10:49:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 10:49:11,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 52 [2022-02-15 10:49:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:49:11,555 INFO L225 Difference]: With dead ends: 171 [2022-02-15 10:49:11,555 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 10:49:11,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:49:11,556 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 96 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:49:11,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 175 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:49:11,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 10:49:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 10:49:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:49:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 10:49:11,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-02-15 10:49:11,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:49:11,558 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 10:49:11,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2022-02-15 10:49:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 10:49:11,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 10:49:11,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-15 10:49:11,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-15 10:49:11,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-15 10:49:11,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 10:49:11,563 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-15 10:49:11,564 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 10:49:11,564 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 10:49:11,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:49:11 BasicIcfg [2022-02-15 10:49:11,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 10:49:11,566 INFO L158 Benchmark]: Toolchain (without parser) took 2551.08ms. Allocated memory was 179.3MB in the beginning and 310.4MB in the end (delta: 131.1MB). Free memory was 120.9MB in the beginning and 272.5MB in the end (delta: -151.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 10:49:11,566 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 10:49:11,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.53ms. Allocated memory was 179.3MB in the beginning and 310.4MB in the end (delta: 131.1MB). Free memory was 120.8MB in the beginning and 273.5MB in the end (delta: -152.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2022-02-15 10:49:11,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.54ms. Allocated memory is still 310.4MB. Free memory was 273.5MB in the beginning and 271.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 10:49:11,567 INFO L158 Benchmark]: Boogie Preprocessor took 15.86ms. Allocated memory is still 310.4MB. Free memory was 271.4MB in the beginning and 270.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 10:49:11,567 INFO L158 Benchmark]: RCFGBuilder took 355.76ms. Allocated memory is still 310.4MB. Free memory was 269.9MB in the beginning and 257.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 10:49:11,567 INFO L158 Benchmark]: TraceAbstraction took 1820.87ms. Allocated memory is still 310.4MB. Free memory was 257.3MB in the beginning and 272.5MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 10:49:11,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.53ms. Allocated memory was 179.3MB in the beginning and 310.4MB in the end (delta: 131.1MB). Free memory was 120.8MB in the beginning and 273.5MB in the end (delta: -152.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.54ms. Allocated memory is still 310.4MB. Free memory was 273.5MB in the beginning and 271.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.86ms. Allocated memory is still 310.4MB. Free memory was 271.4MB in the beginning and 270.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 355.76ms. Allocated memory is still 310.4MB. Free memory was 269.9MB in the beginning and 257.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1820.87ms. Allocated memory is still 310.4MB. Free memory was 257.3MB in the beginning and 272.5MB in the end (delta: -15.2MB). There was no memory consumed. 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 573 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 573 mSDsluCounter, 1602 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1264 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 369 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=954occurred in iteration=0, InterpolantAutomatonStates: 53, 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, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-15 10:49:11,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...