/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-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 13:21:37,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 13:21:37,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 13:21:37,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 13:21:37,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 13:21:37,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 13:21:37,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 13:21:37,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 13:21:37,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 13:21:37,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 13:21:37,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 13:21:37,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 13:21:37,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 13:21:37,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 13:21:37,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 13:21:37,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 13:21:37,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 13:21:37,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 13:21:37,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 13:21:37,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 13:21:37,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 13:21:37,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 13:21:37,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 13:21:37,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 13:21:37,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 13:21:37,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 13:21:37,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 13:21:37,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 13:21:37,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 13:21:37,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 13:21:37,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 13:21:37,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 13:21:37,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 13:21:37,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 13:21:37,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 13:21:37,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 13:21:37,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 13:21:37,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 13:21:37,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 13:21:37,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 13:21:37,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 13:21:37,388 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-New_States.epf [2021-03-12 13:21:37,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 13:21:37,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 13:21:37,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 13:21:37,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 13:21:37,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 13:21:37,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 13:21:37,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 13:21:37,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 13:21:37,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 13:21:37,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 13:21:37,421 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 13:21:37,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 13:21:37,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 13:21:37,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 13:21:37,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 13:21:37,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 13:21:37,693 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 13:21:37,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-03-12 13:21:37,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681d1f101/83c81063edf24181adeea9165a4b424b/FLAG128a8a187 [2021-03-12 13:21:38,245 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 13:21:38,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-03-12 13:21:38,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681d1f101/83c81063edf24181adeea9165a4b424b/FLAG128a8a187 [2021-03-12 13:21:38,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681d1f101/83c81063edf24181adeea9165a4b424b [2021-03-12 13:21:38,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 13:21:38,752 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 13:21:38,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 13:21:38,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 13:21:38,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 13:21:38,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 01:21:38" (1/1) ... [2021-03-12 13:21:38,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723cac01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:38, skipping insertion in model container [2021-03-12 13:21:38,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 01:21:38" (1/1) ... [2021-03-12 13:21:38,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 13:21:38,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 13:21:39,055 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/safe004_tso.oepc.i[950,963] [2021-03-12 13:21:39,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 13:21:39,171 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 13:21:39,179 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/safe004_tso.oepc.i[950,963] [2021-03-12 13:21:39,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 13:21:39,239 INFO L208 MainTranslator]: Completed translation [2021-03-12 13:21:39,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39 WrapperNode [2021-03-12 13:21:39,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 13:21:39,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 13:21:39,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 13:21:39,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 13:21:39,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 13:21:39,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 13:21:39,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 13:21:39,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 13:21:39,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (1/1) ... [2021-03-12 13:21:39,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 13:21:39,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 13:21:39,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 13:21:39,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 13:21:39,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (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 13:21:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 13:21:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 13:21:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 13:21:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 13:21:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 13:21:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 13:21:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 13:21:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 13:21:39,365 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 13:21:39,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 13:21:39,671 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 13:21:39,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:21:39 BoogieIcfgContainer [2021-03-12 13:21:39,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 13:21:39,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 13:21:39,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 13:21:39,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 13:21:39,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 01:21:38" (1/3) ... [2021-03-12 13:21:39,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4dfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 01:21:39, skipping insertion in model container [2021-03-12 13:21:39,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 01:21:39" (2/3) ... [2021-03-12 13:21:39,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4dfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 01:21:39, skipping insertion in model container [2021-03-12 13:21:39,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:21:39" (3/3) ... [2021-03-12 13:21:39,677 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2021-03-12 13:21:39,681 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 13:21:39,682 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 13:21:39,685 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 13:21:39,685 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 13:21:39,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,718 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,718 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 13:21:39,719 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 13:21:39,732 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 13:21:39,779 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 13:21:39,779 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 13:21:39,779 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 13:21:39,779 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 13:21:39,780 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 13:21:39,780 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 13:21:39,780 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 13:21:39,780 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 13:21:39,849 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:39,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash 256335874, now seen corresponding path program 1 times [2021-03-12 13:21:39,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:39,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162032563] [2021-03-12 13:21:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:40,079 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 13:21:40,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162032563] [2021-03-12 13:21:40,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:40,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 13:21:40,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551512190] [2021-03-12 13:21:40,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 13:21:40,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:40,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 13:21:40,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 13:21:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,098 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:40,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 13:21:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 13:21:40,111 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:40,115 INFO L82 PathProgramCache]: Analyzing trace with hash 710322032, now seen corresponding path program 1 times [2021-03-12 13:21:40,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:40,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641210579] [2021-03-12 13:21:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:40,303 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 13:21:40,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641210579] [2021-03-12 13:21:40,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:40,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 13:21:40,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663612569] [2021-03-12 13:21:40,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 13:21:40,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 13:21:40,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-12 13:21:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,305 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:40,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 13:21:40,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:40,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 13:21:40,635 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:40,636 INFO L82 PathProgramCache]: Analyzing trace with hash -821698772, now seen corresponding path program 2 times [2021-03-12 13:21:40,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:40,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607842438] [2021-03-12 13:21:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:40,791 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 13:21:40,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607842438] [2021-03-12 13:21:40,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:40,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 13:21:40,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686626278] [2021-03-12 13:21:40,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 13:21:40,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:40,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 13:21:40,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 13:21:40,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,794 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:40,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 13:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:41,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 13:21:41,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 13:21:41,307 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash -451889786, now seen corresponding path program 3 times [2021-03-12 13:21:41,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:41,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397003092] [2021-03-12 13:21:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:41,453 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 13:21:41,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397003092] [2021-03-12 13:21:41,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:41,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 13:21:41,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817686886] [2021-03-12 13:21:41,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 13:21:41,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:41,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 13:21:41,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-12 13:21:41,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:41,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:41,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 13:21:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 13:21:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 13:21:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 13:21:42,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 13:21:42,773 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:42,774 INFO L82 PathProgramCache]: Analyzing trace with hash 157558272, now seen corresponding path program 4 times [2021-03-12 13:21:42,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:42,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497005526] [2021-03-12 13:21:42,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:42,867 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 13:21:42,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497005526] [2021-03-12 13:21:42,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:42,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 13:21:42,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78321288] [2021-03-12 13:21:42,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 13:21:42,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:42,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 13:21:42,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-12 13:21:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:42,873 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:42,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 13:21:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 13:21:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 13:21:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 13:21:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 13:21:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:43,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 13:21:43,491 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 13:21:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 13:21:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash 884745734, now seen corresponding path program 5 times [2021-03-12 13:21:43,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 13:21:43,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793547173] [2021-03-12 13:21:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 13:21:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 13:21:43,584 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 13:21:43,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793547173] [2021-03-12 13:21:43,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 13:21:43,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 13:21:43,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142347244] [2021-03-12 13:21:43,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 13:21:43,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 13:21:43,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 13:21:43,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 13:21:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:43,586 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 13:21:43,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 13:21:43,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:43,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:43,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 13:21:43,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 13:21:43,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:43,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 13:21:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 13:21:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 13:21:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 13:21:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 13:21:44,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 13:21:44,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 01:21:44 BasicIcfg [2021-03-12 13:21:44,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 13:21:44,370 INFO L168 Benchmark]: Toolchain (without parser) took 5623.72 ms. Allocated memory was 333.4 MB in the beginning and 748.7 MB in the end (delta: 415.2 MB). Free memory was 296.1 MB in the beginning and 436.8 MB in the end (delta: -140.7 MB). Peak memory consumption was 273.6 MB. Max. memory is 16.0 GB. [2021-03-12 13:21:44,370 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 333.4 MB. Free memory was 314.3 MB in the beginning and 314.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 13:21:44,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.28 ms. Allocated memory is still 333.4 MB. Free memory was 295.5 MB in the beginning and 295.4 MB in the end (delta: 104.9 kB). Peak memory consumption was 3.0 MB. Max. memory is 16.0 GB. [2021-03-12 13:21:44,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 333.4 MB. Free memory was 295.4 MB in the beginning and 292.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 13:21:44,371 INFO L168 Benchmark]: Boogie Preprocessor took 23.68 ms. Allocated memory is still 333.4 MB. Free memory was 292.6 MB in the beginning and 291.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 13:21:44,371 INFO L168 Benchmark]: RCFGBuilder took 359.06 ms. Allocated memory is still 333.4 MB. Free memory was 291.6 MB in the beginning and 268.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 13:21:44,371 INFO L168 Benchmark]: TraceAbstraction took 4695.89 ms. Allocated memory was 333.4 MB in the beginning and 748.7 MB in the end (delta: 415.2 MB). Free memory was 267.1 MB in the beginning and 436.8 MB in the end (delta: -169.7 MB). Peak memory consumption was 245.5 MB. Max. memory is 16.0 GB. [2021-03-12 13:21:44,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 333.4 MB. Free memory was 314.3 MB in the beginning and 314.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 477.28 ms. Allocated memory is still 333.4 MB. Free memory was 295.5 MB in the beginning and 295.4 MB in the end (delta: 104.9 kB). Peak memory consumption was 3.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 333.4 MB. Free memory was 295.4 MB in the beginning and 292.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.68 ms. Allocated memory is still 333.4 MB. Free memory was 292.6 MB in the beginning and 291.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 359.06 ms. Allocated memory is still 333.4 MB. Free memory was 291.6 MB in the beginning and 268.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4695.89 ms. Allocated memory was 333.4 MB in the beginning and 748.7 MB in the end (delta: 415.2 MB). Free memory was 267.1 MB in the beginning and 436.8 MB in the end (delta: -169.7 MB). Peak memory consumption was 245.5 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: 116683, positive: 110993, positive conditional: 110993, positive unconditional: 0, negative: 5690, negative conditional: 5690, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 111954, positive: 110993, positive conditional: 110993, positive unconditional: 0, negative: 961, negative conditional: 961, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 111954, positive: 109921, positive conditional: 0, positive unconditional: 109921, negative: 2033, negative conditional: 0, negative unconditional: 2033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, positive: 644, positive conditional: 0, positive unconditional: 644, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, positive: 640, positive conditional: 0, positive unconditional: 640, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 111954, positive: 109277, positive conditional: 0, positive unconditional: 109277, negative: 2018, negative conditional: 0, negative unconditional: 2018, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334, SemanticConditionEliminator.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8876, positive: 1072, positive conditional: 1072, positive unconditional: 0, negative: 7804, negative conditional: 470, negative unconditional: 7334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 36, negative conditional: 21, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 136, positive conditional: 114, positive unconditional: 22, negative: 166, negative conditional: 67, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8876, positive: 1049, positive conditional: 1049, positive unconditional: 0, negative: 7783, negative conditional: 449, negative unconditional: 7334, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 703, Positive cache size: 667, Positive conditional cache size: 23, Positive unconditional cache size: 644, Negative cache size: 36, Negative conditional cache size: 21, Negative unconditional cache size: 15, Eliminated conditions: 7334 ], Maximal queried relation: 6, Independence queries for same thread: 4729 - 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, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4623.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 3619.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, 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: 22.3ms SsaConstructionTime, 149.0ms SatisfiabilityAnalysisTime, 629.5ms InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 1254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...