/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:05:35,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:05:35,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:05:35,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 05:05:35,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 05:05:35,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 05:05:35,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 05:05:35,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 05:05:35,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 05:05:35,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 05:05:35,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 05:05:35,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 05:05:35,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 05:05:35,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 05:05:35,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 05:05:35,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 05:05:35,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 05:05:35,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 05:05:35,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 05:05:35,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 05:05:35,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 05:05:35,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 05:05:35,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 05:05:35,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 05:05:35,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 05:05:35,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 05:05:35,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 05:05:35,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 05:05:35,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 05:05:35,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 05:05:35,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 05:05:35,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 05:05:35,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 05:05:35,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 05:05:35,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 05:05:35,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 05:05:35,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 05:05:35,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 05:05:35,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:05:35,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:05:35,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:05:35,201 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-Sleep-NoLbe-Delay.epf [2021-03-12 05:05:35,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:05:35,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:05:35,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:05:35,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:05:35,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:05:35,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:05:35,239 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:05:35,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:05:35,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:05:35,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:05:35,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:05:35,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:05:35,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:05:35,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:05:35,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:05:35,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:05:35,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:05:35,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:05:35,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:05:35,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:05:35,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:05:35,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:05:35,562 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:05:35,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-03-12 05:05:35,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e47621/f7827f01928f4ac5b1a64efd1f3a13f8/FLAG7302c8dc3 [2021-03-12 05:05:36,218 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:05:36,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-03-12 05:05:36,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e47621/f7827f01928f4ac5b1a64efd1f3a13f8/FLAG7302c8dc3 [2021-03-12 05:05:36,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e47621/f7827f01928f4ac5b1a64efd1f3a13f8 [2021-03-12 05:05:36,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:05:36,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:05:36,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:05:36,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:05:36,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:05:36,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:05:36" (1/1) ... [2021-03-12 05:05:36,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318db64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:36, skipping insertion in model container [2021-03-12 05:05:36,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:05:36" (1/1) ... [2021-03-12 05:05:36,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:05:36,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:05:36,884 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i[950,963] [2021-03-12 05:05:37,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:05:37,045 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:05:37,056 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i[950,963] [2021-03-12 05:05:37,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:05:37,164 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:05:37,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37 WrapperNode [2021-03-12 05:05:37,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:05:37,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:05:37,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:05:37,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:05:37,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:05:37,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:05:37,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:05:37,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:05:37,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... [2021-03-12 05:05:37,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:05:37,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:05:37,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:05:37,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:05:37,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:05:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:05:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:05:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:05:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:05:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:05:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:05:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:05:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:05:37,314 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 05:05:37,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:05:37,657 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:05:37,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:05:37 BoogieIcfgContainer [2021-03-12 05:05:37,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:05:37,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:05:37,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:05:37,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:05:37,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:05:36" (1/3) ... [2021-03-12 05:05:37,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59f4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:05:37, skipping insertion in model container [2021-03-12 05:05:37,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:05:37" (2/3) ... [2021-03-12 05:05:37,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59f4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:05:37, skipping insertion in model container [2021-03-12 05:05:37,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:05:37" (3/3) ... [2021-03-12 05:05:37,665 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-03-12 05:05:37,669 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:05:37,670 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:05:37,673 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:05:37,674 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:05:37,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,709 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,709 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,709 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,710 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,719 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,728 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,728 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:05:37,731 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:05:37,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-03-12 05:05:37,792 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:05:37,792 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:05:37,792 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:05:37,793 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:05:37,793 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:05:37,793 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:05:37,793 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:05:37,793 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 05:05:37,877 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:05:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:05:37,883 INFO L82 PathProgramCache]: Analyzing trace with hash 614078075, now seen corresponding path program 1 times [2021-03-12 05:05:37,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:05:37,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20739581] [2021-03-12 05:05:37,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:05:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:05:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:05:38,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20739581] [2021-03-12 05:05:38,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:05:38,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:05:38,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401960453] [2021-03-12 05:05:38,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:05:38,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:05:38,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:05:38,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:05:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:38,272 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:05:38,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:05:38,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:05:39,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:05:39,138 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:05:39,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:05:39,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1717748821, now seen corresponding path program 2 times [2021-03-12 05:05:39,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:05:39,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251154522] [2021-03-12 05:05:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:05:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:05:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:05:39,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251154522] [2021-03-12 05:05:39,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:05:39,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:05:39,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072707751] [2021-03-12 05:05:39,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:05:39,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:05:39,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:05:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:05:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:39,357 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:05:39,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:05:39,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:05:39,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:40,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:05:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 05:05:40,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:05:40,208 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:05:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:05:40,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1454460445, now seen corresponding path program 3 times [2021-03-12 05:05:40,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:05:40,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779485722] [2021-03-12 05:05:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:05:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:05:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:05:40,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779485722] [2021-03-12 05:05:40,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:05:40,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:05:40,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922652210] [2021-03-12 05:05:40,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:05:40,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:05:40,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:05:40,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:05:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:40,426 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:05:40,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:05:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:05:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 05:05:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:05:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:05:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 05:05:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 05:05:41,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:05:41,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:05:41 BasicIcfg [2021-03-12 05:05:41,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:05:41,507 INFO L168 Benchmark]: Toolchain (without parser) took 4872.91 ms. Allocated memory was 255.9 MB in the beginning and 497.0 MB in the end (delta: 241.2 MB). Free memory was 234.6 MB in the beginning and 288.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 323.4 MB. Max. memory is 16.0 GB. [2021-03-12 05:05:41,507 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:05:41,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.33 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 234.1 MB in the beginning and 332.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-12 05:05:41,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.15 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 330.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:05:41,508 INFO L168 Benchmark]: Boogie Preprocessor took 28.06 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 329.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:05:41,509 INFO L168 Benchmark]: RCFGBuilder took 412.31 ms. Allocated memory is still 371.2 MB. Free memory was 329.6 MB in the beginning and 307.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:05:41,509 INFO L168 Benchmark]: TraceAbstraction took 3845.68 ms. Allocated memory was 371.2 MB in the beginning and 497.0 MB in the end (delta: 125.8 MB). Free memory was 307.1 MB in the beginning and 288.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 283.3 MB. Max. memory is 16.0 GB. [2021-03-12 05:05:41,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 528.33 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 234.1 MB in the beginning and 332.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.15 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 330.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.06 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 329.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 412.31 ms. Allocated memory is still 371.2 MB. Free memory was 329.6 MB in the beginning and 307.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3845.68 ms. Allocated memory was 371.2 MB in the beginning and 497.0 MB in the end (delta: 125.8 MB). Free memory was 307.1 MB in the beginning and 288.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 283.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 113727, positive: 109110, positive conditional: 109110, positive unconditional: 0, negative: 4617, negative conditional: 4617, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 110185, positive: 109110, positive conditional: 109110, positive unconditional: 0, negative: 1075, negative conditional: 1075, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 110185, positive: 108703, positive conditional: 0, positive unconditional: 108703, negative: 1482, negative conditional: 0, negative unconditional: 1482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 656, positive: 646, positive conditional: 0, positive unconditional: 646, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 656, positive: 642, positive conditional: 0, positive unconditional: 642, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, positive: 74, positive conditional: 48, positive unconditional: 26, negative: 132, negative conditional: 32, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 110185, positive: 108057, positive conditional: 0, positive unconditional: 108057, negative: 1472, negative conditional: 0, negative unconditional: 1472, unknown: 656, unknown conditional: 0, unknown unconditional: 656] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 653, Positive conditional cache size: 7, Positive unconditional cache size: 646, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, positive: 74, positive conditional: 48, positive unconditional: 26, negative: 132, negative conditional: 32, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3128, positive: 400, positive conditional: 400, positive unconditional: 0, negative: 2715, negative conditional: 135, negative unconditional: 2580, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 653, Positive conditional cache size: 7, Positive unconditional cache size: 646, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 2580, SemanticConditionEliminator.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, positive: 74, positive conditional: 48, positive unconditional: 26, negative: 132, negative conditional: 32, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3128, positive: 400, positive conditional: 400, positive unconditional: 0, negative: 2715, negative conditional: 135, negative unconditional: 2580, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 653, Positive conditional cache size: 7, Positive unconditional cache size: 646, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 2580, SemanticConditionEliminator.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3128, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 2721, negative conditional: 141, negative unconditional: 2580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, positive: 74, positive conditional: 48, positive unconditional: 26, negative: 132, negative conditional: 32, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3128, positive: 400, positive conditional: 400, positive unconditional: 0, negative: 2715, negative conditional: 135, negative unconditional: 2580, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 653, Positive conditional cache size: 7, Positive unconditional cache size: 646, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 2580 ], Maximal queried relation: 3, Independence queries for same thread: 3542 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3737.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 2843.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.7ms SsaConstructionTime, 110.2ms SatisfiabilityAnalysisTime, 572.4ms InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 864 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 proved your program to be correct! Received shutdown request...