/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/safe022_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:34:13,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:34:13,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:34:13,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:34:13,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:34:13,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:34:13,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:34:13,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:34:13,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:34:13,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:34:13,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:34:13,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:34:13,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:34:13,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:34:13,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:34:13,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:34:13,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:34:13,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:34:13,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:34:13,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:34:13,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:34:13,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:34:13,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:34:13,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:34:13,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:34:13,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:34:13,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:34:13,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:34:13,183 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 [2021-01-27 02:34:13,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:34:13,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:34:13,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:34:13,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:34:13,247 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:34:13,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:34:13,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:34:13,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:34:13,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:34:13,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:34:13,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:34:13,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:34:13,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:34:13,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:34:13,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:34:13,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:34:13,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:34:13,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:34:13,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:34:13,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:34:13,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:34:13,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:34:13,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:34:13,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:34:13,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:34:13,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:34:13,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:34:13,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:34:13,253 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:34:13,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:34:13,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:34:13,254 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:34:13,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:34:13,255 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:34:13,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:34:13,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:34:13,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:34:13,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:34:13,747 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:34:13,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2021-01-27 02:34:13,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dcad27a/f3cffbf2ffa84d26a7c071f2544fb93f/FLAG0819b2fd4 [2021-01-27 02:34:14,620 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:34:14,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2021-01-27 02:34:14,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dcad27a/f3cffbf2ffa84d26a7c071f2544fb93f/FLAG0819b2fd4 [2021-01-27 02:34:14,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dcad27a/f3cffbf2ffa84d26a7c071f2544fb93f [2021-01-27 02:34:14,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:34:14,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:34:14,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:34:14,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:34:14,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:34:14,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:34:14" (1/1) ... [2021-01-27 02:34:14,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3728d06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:14, skipping insertion in model container [2021-01-27 02:34:14,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:34:14" (1/1) ... [2021-01-27 02:34:14,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:34:14,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:34:15,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:34:15,437 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:34:15,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:34:15,687 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:34:15,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15 WrapperNode [2021-01-27 02:34:15,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:34:15,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:34:15,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:34:15,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:34:15,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:34:15,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:34:15,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:34:15,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:34:15,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (1/1) ... [2021-01-27 02:34:15,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:34:15,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:34:15,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:34:15,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:34:15,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (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 [2021-01-27 02:34:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:34:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:34:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:34:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-27 02:34:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-27 02:34:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-27 02:34:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-27 02:34:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:34:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:34:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:34:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:34:15,939 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 02:34:16,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:34:16,393 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-27 02:34:16,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:34:16 BoogieIcfgContainer [2021-01-27 02:34:16,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:34:16,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:34:16,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:34:16,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:34:16,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:34:14" (1/3) ... [2021-01-27 02:34:16,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f388db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:34:16, skipping insertion in model container [2021-01-27 02:34:16,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:34:15" (2/3) ... [2021-01-27 02:34:16,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f388db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:34:16, skipping insertion in model container [2021-01-27 02:34:16,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:34:16" (3/3) ... [2021-01-27 02:34:16,406 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.oepc.i [2021-01-27 02:34:16,424 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:34:16,424 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:34:16,428 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:34:16,429 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:34:16,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,463 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,463 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,464 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,464 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,466 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,467 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,467 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,467 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,480 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,480 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,481 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,481 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:34:16,484 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:34:16,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-27 02:34:16,527 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:34:16,528 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:34:16,528 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:34:16,528 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:34:16,528 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:34:16,528 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:34:16,528 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:34:16,529 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 50 and size of Sequence is : 51[2021-01-27 02:34:16,584 INFO L164 SleepSetCegar]: Size of mCounterexample is: 51 [2021-01-27 02:34:16,585 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 77#[L-1]don't care, 80#[L-1-1]don't care, 83#[L17]don't care, 86#[L17-1]don't care, 89#[L17-2]don't care, 92#[L17-3]don't care, 95#[L17-4]don't care, 98#[L710]don't care, 101#[L712]don't care, 104#[L713]don't care, 107#[L714]don't care, 110#[L716]don't care, 113#[L718]don't care, 116#[L-1-2]don't care, 119#[L-1-3]don't care, 122#[L760]don't care, 125#[L760-1]don't care, 128#[L761]don't care, 131#[P0ENTRY, L761-1]don't care, 136#[L721, L761-1]don't care, 140#[L723, L761-1]don't care, 148#[L726, L761-1]don't care, 154#[L731, L761-1]don't care, 158#[P0FINAL, L761-1]don't care, 164#[P0EXIT, L761-1]don't care, 170#[P0EXIT, L762]don't care, 173#[L762-1, P0EXIT]don't care, 176#[L763, P0EXIT]don't care, 179#[L763-1, P1ENTRY, P0EXIT]don't care, 182#[L764, P1ENTRY, P0EXIT]don't care, 190#[L764, P0EXIT, L736]don't care, 196#[L764, L738, P0EXIT]don't care, 202#[L764, L741, P0EXIT]don't care, 208#[L764, P0EXIT, L746]don't care, 214#[P1FINAL, L764, P0EXIT]don't care, 220#[L764, P0EXIT, P1EXIT]don't care, 224#[P0EXIT, L766, P1EXIT]don't care, 227#[P0EXIT, P1EXIT, L767]don't care, 230#[P0EXIT, P1EXIT, L2]don't care, 233#[L3, P0EXIT, P1EXIT]don't care, 236#[L3-1, P0EXIT, P1EXIT]don't care, 238#[P0EXIT, L2-1, P1EXIT]don't care, 243#[P0EXIT, L772, P1EXIT]don't care, 246#[P0EXIT, L773, P1EXIT]don't care, 249#[P0EXIT, L18, P1EXIT]don't care, 252#[P0EXIT, L18-1, P1EXIT]don't care, 255#[L18-2, P0EXIT, P1EXIT]don't care, 261#[P0EXIT, L17-5, P1EXIT]don't care, 266#[L17-7, P0EXIT, P1EXIT]don't care, 292#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]don't care] [2021-01-27 02:34:16,586 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:34:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:34:16,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1475749280, now seen corresponding path program 1 times [2021-01-27 02:34:16,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:34:16,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756318339] [2021-01-27 02:34:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:34:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:34:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:34:16,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756318339] [2021-01-27 02:34:16,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:34:16,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:34:16,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126102192] [2021-01-27 02:34:16,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:34:16,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:34:16,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:34:16,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:34:16,877 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:34:16,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:34:16,895 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:34:16,896 INFO L165 SleepSetCegar]: [298#[ULTIMATE.startENTRY]true, 300#[L-1]true, 302#[L-1-1]true, 304#[L17]true, 306#[L17-1]true, 308#[L17-2]true, 310#[L17-3]true, 312#[L17-4]true, 314#[L710]true, 316#[L712]true, 318#[L713]true, 320#[L714]true, 322#[L716]true, 324#[L718]true, 326#[L-1-2]true, 328#[L-1-3]true, 330#[L760]true, 332#[L760-1]true, 334#[L761]true, 336#[P0ENTRY, L761-1]true, 339#[L721, L761-1]true, 342#[L723, L761-1]true, 347#[L726, L761-1]true, 351#[L731, L761-1]true, 354#[P0FINAL, L761-1]true, 358#[P0EXIT, L761-1]true, 362#[P0EXIT, L762]true, 364#[L762-1, P0EXIT]true, 366#[L763, P0EXIT]true, 368#[L763-1, P1ENTRY, P0EXIT]true, 370#[L764, P1ENTRY, P0EXIT]true, 375#[L764, P0EXIT, L736]true, 379#[L764, L738, P0EXIT]true, 383#[L764, L741, P0EXIT]true, 387#[L764, P0EXIT, L746]true, 391#[P1FINAL, L764, P0EXIT]true, 395#[L764, P0EXIT, P1EXIT]true, 398#[P0EXIT, L766, P1EXIT]true, 400#[P0EXIT, P1EXIT, L767]true, 402#[P0EXIT, P1EXIT, L2]true, 404#[L3, P0EXIT, P1EXIT]true, 407#[P0EXIT, L2-1, P1EXIT]true, 412#[P0EXIT, L772, P1EXIT]true, 414#[P0EXIT, L773, P1EXIT]true, 416#[P0EXIT, L18, P1EXIT]true, 418#[P0EXIT, L18-1, P1EXIT]true, 420#[L18-2, P0EXIT, P1EXIT]true, 424#[P0EXIT, L17-5, P1EXIT]true, 427#[L17-7, P0EXIT, P1EXIT]true, 430#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]true] [2021-01-27 02:34:16,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:34:16,896 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:34:16,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:34:16,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1961712272, now seen corresponding path program 1 times [2021-01-27 02:34:16,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:34:16,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556762277] [2021-01-27 02:34:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:34:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:34:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:34:17,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556762277] [2021-01-27 02:34:17,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:34:17,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:34:17,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330534391] [2021-01-27 02:34:17,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:34:17,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:34:17,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:34:17,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:34:17,172 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:34:17,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-01-27 02:34:17,351 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:34:17,392 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:34:17,393 INFO L165 SleepSetCegar]: [441#[ULTIMATE.startENTRY]true, 444#[L-1]true, 447#[L-1-1]true, 450#[L17]true, 453#[L17-1]true, 456#[L17-2]true, 459#[L17-3]true, 462#[L17-4]true, 465#[L710]true, 468#[L712]true, 471#[L713]true, 474#[L714]true, 477#[L716]true, 480#[L718]true, 483#[L-1-2]true, 486#[L-1-3]true, 489#[L760]true, 492#[L760-1]true, 495#[L761]true, 498#[P0ENTRY, L761-1]true, 503#[L721, L761-1]true, 507#[L723, L761-1](= ~y~0 1), 515#[L726, L761-1](= ~y~0 1), 521#[L731, L761-1](= ~y~0 1), 525#[P0FINAL, L761-1](= ~y~0 1), 531#[P0EXIT, L761-1](= ~y~0 1), 537#[P0EXIT, L762](= ~y~0 1), 540#[L762-1, P0EXIT](= ~y~0 1), 543#[L763, P0EXIT](= ~y~0 1), 546#[L763-1, P1ENTRY, P0EXIT](= ~y~0 1), 549#[L764, P1ENTRY, P0EXIT](= ~y~0 1), 557#[L764, P0EXIT, L736](= ~y~0 1), 563#[L764, L738, P0EXIT](= ~y~0 1), 567#[L738, P0EXIT, L766](= ~y~0 1), 1007#[L738, P0EXIT, L767](= ~y~0 1), 1013#[L738, P0EXIT, L2](= ~y~0 1), 1019#[L738, L3, P0EXIT](= ~y~0 1), 1030#[L738, P0EXIT, L2-1](= ~y~0 1), 1041#[L738, P0EXIT, L772](= ~y~0 1), 1047#[L741, P0EXIT, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1053#[P0EXIT, L746, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1059#[P1FINAL, P0EXIT, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1065#[P0EXIT, L772, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1071#[P0EXIT, L773, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1074#[P0EXIT, L18, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1077#[P0EXIT, L18-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1080#[L18-2, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1086#[P0EXIT, L17-5, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1091#[L17-7, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 1095#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1))] [2021-01-27 02:34:17,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:34:17,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:34:17,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:34:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash -656874224, now seen corresponding path program 2 times [2021-01-27 02:34:17,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:34:17,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396118615] [2021-01-27 02:34:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:34:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:34:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:34:17,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396118615] [2021-01-27 02:34:17,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:34:17,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:34:17,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067869923] [2021-01-27 02:34:17,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:34:17,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:34:17,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:34:17,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:34:17,582 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:34:17,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-01-27 02:34:17,655 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:17,929 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:17,960 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:17,995 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:18,142 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:18,168 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-27 02:34:18,182 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 02:34:18,183 INFO L165 SleepSetCegar]: [1107#[ULTIMATE.startENTRY]true, 1110#[L-1]true, 1113#[L-1-1]true, 1116#[L17]true, 1119#[L17-1]true, 1122#[L17-2]true, 1125#[L17-3]true, 1128#[L17-4]true, 1131#[L710](= ~__unbuffered_cnt~0 0), 1134#[L712](= ~__unbuffered_cnt~0 0), 1137#[L713](= ~__unbuffered_cnt~0 0), 1142#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1145#[L716](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1148#[L718](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1151#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1154#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1157#[L760](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1160#[L760-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1163#[L761](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1166#[P0ENTRY, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1171#[L721, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1177#[L721, L762](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4444#[L762-1, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4452#[L763, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4460#[L763-1, P1ENTRY, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4473#[L764, P1ENTRY, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4491#[L764, L721, L736](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4507#[L764, L738, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4523#[L764, L721, L741](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4541#[L764, L723, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4556#[L764, L741, L726](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4573#[L731, L764, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4584#[P0FINAL, L764, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4601#[L764, L741, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4614#[L764, P0EXIT, L746](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4624#[P1FINAL, L764, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4634#[L764, P0EXIT, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4640#[P0EXIT, L766, P1EXIT](= ~y~0 1), 4645#[P0EXIT, P1EXIT, L767](= ~y~0 1), 4650#[P0EXIT, P1EXIT, L2](= ~y~0 1), 4655#[L3, P0EXIT, P1EXIT](= ~y~0 1), 4664#[P0EXIT, L2-1, P1EXIT](= ~y~0 1), 4670#[P0EXIT, L772, P1EXIT](= ~y~0 1), 4675#[P0EXIT, L773, P1EXIT](= ~y~0 1), 4680#[P0EXIT, L18, P1EXIT](= ~y~0 1), 4685#[P0EXIT, L18-1, P1EXIT](= ~y~0 1), 4692#[L18-2, P0EXIT, P1EXIT](= ~y~0 1), 4700#[P0EXIT, L17-5, P1EXIT](= ~y~0 1), 4707#[L17-7, P0EXIT, P1EXIT](= ~y~0 1), 4713#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT](= ~y~0 1)] [2021-01-27 02:34:18,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:34:18,184 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:34:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:34:18,184 INFO L82 PathProgramCache]: Analyzing trace with hash 358393950, now seen corresponding path program 3 times [2021-01-27 02:34:18,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:34:18,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866778985] [2021-01-27 02:34:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:34:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:34:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:34:18,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866778985] [2021-01-27 02:34:18,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:34:18,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:34:18,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201223960] [2021-01-27 02:34:18,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:34:18,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:34:18,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:34:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:34:18,343 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:34:18,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-01-27 02:34:18,467 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:34:18,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:34:18,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:34:18 BasicIcfg [2021-01-27 02:34:18,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:34:18,733 INFO L168 Benchmark]: Toolchain (without parser) took 3879.52 ms. Allocated memory was 302.0 MB in the beginning and 404.8 MB in the end (delta: 102.8 MB). Free memory was 275.8 MB in the beginning and 286.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 95.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:34:18,734 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:34:18,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.80 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 273.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.0 GB. [2021-01-27 02:34:18,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 271.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:34:18,737 INFO L168 Benchmark]: Boogie Preprocessor took 58.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.0 MB in the beginning and 269.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:34:18,738 INFO L168 Benchmark]: RCFGBuilder took 561.29 ms. Allocated memory is still 302.0 MB. Free memory was 269.9 MB in the beginning and 249.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:34:18,739 INFO L168 Benchmark]: TraceAbstraction took 2332.38 ms. Allocated memory was 302.0 MB in the beginning and 404.8 MB in the end (delta: 102.8 MB). Free memory was 247.9 MB in the beginning and 286.8 MB in the end (delta: -38.8 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:34:18,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 824.80 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 273.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 271.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 58.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.0 MB in the beginning and 269.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 561.29 ms. Allocated memory is still 302.0 MB. Free memory was 269.9 MB in the beginning and 249.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2332.38 ms. Allocated memory was 302.0 MB in the beginning and 404.8 MB in the end (delta: 102.8 MB). Free memory was 247.9 MB in the beginning and 286.8 MB in the end (delta: -38.8 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 4, 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, 0.5s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 20929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...