/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-17 03:30:09,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-17 03:30:09,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-17 03:30:09,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-17 03:30:09,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-17 03:30:09,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-17 03:30:09,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-17 03:30:09,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-17 03:30:09,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-17 03:30:09,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-17 03:30:09,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-17 03:30:09,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-17 03:30:09,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-17 03:30:09,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-17 03:30:09,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-17 03:30:09,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-17 03:30:09,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-17 03:30:09,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-17 03:30:09,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-17 03:30:09,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-17 03:30:09,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-17 03:30:09,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-17 03:30:09,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-17 03:30:09,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-17 03:30:09,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-17 03:30:09,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-17 03:30:09,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-17 03:30:09,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-17 03:30:09,659 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 [2021-02-17 03:30:09,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-17 03:30:09,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-17 03:30:09,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-17 03:30:09,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-17 03:30:09,717 INFO L138 SettingsManager]: * Use SBE=true [2021-02-17 03:30:09,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-17 03:30:09,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-17 03:30:09,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-17 03:30:09,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-17 03:30:09,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-17 03:30:09,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-17 03:30:09,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-17 03:30:09,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-17 03:30:09,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-17 03:30:09,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-17 03:30:09,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-17 03:30:09,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-17 03:30:09,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-17 03:30:09,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-17 03:30:09,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-17 03:30:09,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-17 03:30:09,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:30:09,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-17 03:30:09,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-17 03:30:09,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-17 03:30:09,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-17 03:30:09,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-17 03:30:09,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-17 03:30:09,723 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-17 03:30:09,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-17 03:30:09,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-17 03:30:09,724 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-17 03:30:09,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-17 03:30:10,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-17 03:30:10,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-17 03:30:10,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-17 03:30:10,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-17 03:30:10,153 INFO L275 PluginConnector]: CDTParser initialized [2021-02-17 03:30:10,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-02-17 03:30:10,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d580356/f9f2a7651fe14cf0a2b8bcc938c514a8/FLAG8fd7d0c6b [2021-02-17 03:30:11,020 INFO L306 CDTParser]: Found 1 translation units. [2021-02-17 03:30:11,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-02-17 03:30:11,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d580356/f9f2a7651fe14cf0a2b8bcc938c514a8/FLAG8fd7d0c6b [2021-02-17 03:30:11,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d580356/f9f2a7651fe14cf0a2b8bcc938c514a8 [2021-02-17 03:30:11,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-17 03:30:11,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-17 03:30:11,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-17 03:30:11,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-17 03:30:11,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-17 03:30:11,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:30:11" (1/1) ... [2021-02-17 03:30:11,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cb0d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:11, skipping insertion in model container [2021-02-17 03:30:11,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:30:11" (1/1) ... [2021-02-17 03:30:11,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-17 03:30:11,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-17 03:30:11,573 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/safe021_tso.oepc.i[950,963] [2021-02-17 03:30:11,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:30:11,854 INFO L203 MainTranslator]: Completed pre-run [2021-02-17 03:30:11,874 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/safe021_tso.oepc.i[950,963] [2021-02-17 03:30:11,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:30:12,071 INFO L208 MainTranslator]: Completed translation [2021-02-17 03:30:12,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12 WrapperNode [2021-02-17 03:30:12,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-17 03:30:12,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-17 03:30:12,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-17 03:30:12,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-17 03:30:12,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-17 03:30:12,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-17 03:30:12,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-17 03:30:12,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-17 03:30:12,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (1/1) ... [2021-02-17 03:30:12,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-17 03:30:12,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-17 03:30:12,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-17 03:30:12,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-17 03:30:12,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (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 [2021-02-17 03:30:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-17 03:30:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-17 03:30:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-17 03:30:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-17 03:30:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-17 03:30:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-17 03:30:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-17 03:30:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-17 03:30:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-17 03:30:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-17 03:30:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-17 03:30:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-17 03:30:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-17 03:30:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-17 03:30:12,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-17 03:30:12,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-17 03:30:12,854 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-17 03:30:12,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:30:12 BoogieIcfgContainer [2021-02-17 03:30:12,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-17 03:30:12,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-17 03:30:12,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-17 03:30:12,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-17 03:30:12,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:30:11" (1/3) ... [2021-02-17 03:30:12,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650c274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:30:12, skipping insertion in model container [2021-02-17 03:30:12,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:30:12" (2/3) ... [2021-02-17 03:30:12,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650c274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:30:12, skipping insertion in model container [2021-02-17 03:30:12,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:30:12" (3/3) ... [2021-02-17 03:30:12,865 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.oepc.i [2021-02-17 03:30:12,871 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-17 03:30:12,871 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-17 03:30:12,876 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-17 03:30:12,877 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-17 03:30:12,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,913 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,913 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,914 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,914 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,917 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,917 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,929 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,929 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:30:12,932 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-17 03:30:12,952 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-17 03:30:12,981 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-17 03:30:12,982 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-17 03:30:12,982 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-17 03:30:12,982 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-17 03:30:12,982 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-17 03:30:12,982 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-17 03:30:12,982 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-17 03:30:12,983 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-17 03:30:13,032 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:30:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:30:13,038 INFO L82 PathProgramCache]: Analyzing trace with hash -2108133170, now seen corresponding path program 1 times [2021-02-17 03:30:13,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:30:13,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163576647] [2021-02-17 03:30:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:30:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:30:13,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:13,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:30:13,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163576647] [2021-02-17 03:30:13,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:30:13,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-17 03:30:13,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988689037] [2021-02-17 03:30:13,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-02-17 03:30:13,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:30:13,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-02-17 03:30:13,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-02-17 03:30:13,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:13,383 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:30:13,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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) [2021-02-17 03:30:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:13,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:13,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-17 03:30:13,474 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:30:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:30:13,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1735939752, now seen corresponding path program 1 times [2021-02-17 03:30:13,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:30:13,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29515421] [2021-02-17 03:30:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:30:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:30:13,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:13,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:13,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:13,684 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:30:13,686 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:30:13,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:13,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:13,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:13,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:30:13,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29515421] [2021-02-17 03:30:13,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:30:13,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:30:13,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686002100] [2021-02-17 03:30:13,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:30:13,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:30:13,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:30:13,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:30:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:13,782 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:30:13,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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) [2021-02-17 03:30:13,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:13,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:14,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-17 03:30:14,171 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:30:14,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:30:14,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1826458968, now seen corresponding path program 2 times [2021-02-17 03:30:14,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:30:14,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886639435] [2021-02-17 03:30:14,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:30:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:30:14,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:14,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:14,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:14,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:14,299 WARN L141 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-02-17 03:30:14,301 WARN L147 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size 29 [2021-02-17 03:30:14,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-17 03:30:14,362 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-17 03:30:14,363 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-17 03:30:14,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:14,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:30:14,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886639435] [2021-02-17 03:30:14,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:30:14,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:30:14,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788586923] [2021-02-17 03:30:14,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:30:14,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:30:14,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:30:14,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:30:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:14,394 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:30:14,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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) [2021-02-17 03:30:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:30:15,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-17 03:30:15,364 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:30:15,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:30:15,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1507786970, now seen corresponding path program 3 times [2021-02-17 03:30:15,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:30:15,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319050856] [2021-02-17 03:30:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:30:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:30:15,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:15,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:15,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:15,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:15,438 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:30:15,440 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:30:15,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:15,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:15,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:15,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:15,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:15,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:30:15,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319050856] [2021-02-17 03:30:15,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:30:15,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-17 03:30:15,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215947851] [2021-02-17 03:30:15,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-17 03:30:15,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:30:15,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-17 03:30:15,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-17 03:30:15,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:15,490 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:30:15,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-02-17 03:30:15,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:15,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:15,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:30:15,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:30:16,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:30:16,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-17 03:30:16,082 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:30:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:30:16,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1062035588, now seen corresponding path program 4 times [2021-02-17 03:30:16,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:30:16,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282946451] [2021-02-17 03:30:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:30:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:30:16,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:16,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:16,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:30:16,163 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:30:16,164 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:30:16,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:16,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:30:16,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:30:16,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:30:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:30:16,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282946451] [2021-02-17 03:30:16,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:30:16,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:30:16,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76067308] [2021-02-17 03:30:16,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:30:16,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:30:16,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:30:16,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:30:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:16,215 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:30:16,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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) [2021-02-17 03:30:16,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:16,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:16,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:30:16,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:30:16,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:30:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:30:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:30:17,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:30:17,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-17 03:30:17,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:30:17 BasicIcfg [2021-02-17 03:30:17,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-17 03:30:17,151 INFO L168 Benchmark]: Toolchain (without parser) took 5869.80 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.8 MB in the beginning and 171.4 MB in the end (delta: 105.5 MB). Peak memory consumption was 230.8 MB. Max. memory is 16.0 GB. [2021-02-17 03:30:17,151 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:30:17,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.31 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 244.2 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-02-17 03:30:17,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.50 ms. Allocated memory is still 302.0 MB. Free memory was 244.2 MB in the beginning and 284.5 MB in the end (delta: -40.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-02-17 03:30:17,153 INFO L168 Benchmark]: Boogie Preprocessor took 71.42 ms. Allocated memory is still 302.0 MB. Free memory was 284.5 MB in the beginning and 283.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:30:17,154 INFO L168 Benchmark]: RCFGBuilder took 580.25 ms. Allocated memory is still 302.0 MB. Free memory was 283.2 MB in the beginning and 260.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:30:17,155 INFO L168 Benchmark]: TraceAbstraction took 4291.53 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 259.0 MB in the beginning and 171.4 MB in the end (delta: 87.7 MB). Peak memory consumption was 213.5 MB. Max. memory is 16.0 GB. [2021-02-17 03:30:17,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 780.31 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 244.2 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 121.50 ms. Allocated memory is still 302.0 MB. Free memory was 244.2 MB in the beginning and 284.5 MB in the end (delta: -40.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 71.42 ms. Allocated memory is still 302.0 MB. Free memory was 284.5 MB in the beginning and 283.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 580.25 ms. Allocated memory is still 302.0 MB. Free memory was 283.2 MB in the beginning and 260.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4291.53 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 259.0 MB in the beginning and 171.4 MB in the end (delta: 87.7 MB). Peak memory consumption was 213.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 36937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...