/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/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:38:12,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:38:12,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:38:12,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:38:12,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:38:12,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:38:12,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:38:12,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:38:12,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:38:12,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:38:12,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:38:12,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:38:12,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:38:12,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:38:12,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:38:12,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:38:12,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:38:12,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:38:12,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:38:12,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:38:12,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:38:12,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:38:12,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:38:12,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:38:12,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:38:12,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:38:12,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:38:12,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:38:12,665 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 02:38:12,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:38:12,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:38:12,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:38:12,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:38:12,697 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:38:12,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:38:12,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:38:12,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:38:12,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:38:12,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:38:12,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:38:12,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:38:12,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:38:12,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:38:12,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:38:12,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:38:12,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:38:12,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:38:12,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:38:12,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:38:12,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:38:12,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:38:12,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:38:12,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:38:12,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:38:12,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:38:12,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:38:12,704 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:38:12,704 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:38:12,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:38:12,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:38:12,705 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:38:12,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:38:12,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:38:13,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:38:13,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:38:13,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:38:13,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:38:13,143 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:38:13,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2021-01-27 02:38:13,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebff32a2c/f4e60f1adced495b8c6ad65320d57e0c/FLAGa7a40e59c [2021-01-27 02:38:14,019 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:38:14,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2021-01-27 02:38:14,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebff32a2c/f4e60f1adced495b8c6ad65320d57e0c/FLAGa7a40e59c [2021-01-27 02:38:14,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebff32a2c/f4e60f1adced495b8c6ad65320d57e0c [2021-01-27 02:38:14,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:38:14,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:38:14,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:38:14,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:38:14,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:38:14,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:38:14" (1/1) ... [2021-01-27 02:38:14,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70853f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:14, skipping insertion in model container [2021-01-27 02:38:14,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:38:14" (1/1) ... [2021-01-27 02:38:14,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:38:14,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:38:14,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:38:14,914 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:38:14,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:38:15,051 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:38:15,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15 WrapperNode [2021-01-27 02:38:15,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:38:15,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:38:15,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:38:15,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:38:15,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:38:15,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:38:15,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:38:15,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:38:15,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (1/1) ... [2021-01-27 02:38:15,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:38:15,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:38:15,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:38:15,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:38:15,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (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 02:38:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:38:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:38:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:38:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:38:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-27 02:38:15,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-27 02:38:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-27 02:38:15,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-27 02:38:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:38:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:38:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:38:15,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:38:15,318 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 02:38:15,753 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:38:15,754 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-27 02:38:15,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:38:15 BoogieIcfgContainer [2021-01-27 02:38:15,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:38:15,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:38:15,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:38:15,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:38:15,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:38:14" (1/3) ... [2021-01-27 02:38:15,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229cc093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:38:15, skipping insertion in model container [2021-01-27 02:38:15,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:15" (2/3) ... [2021-01-27 02:38:15,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229cc093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:38:15, skipping insertion in model container [2021-01-27 02:38:15,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:38:15" (3/3) ... [2021-01-27 02:38:15,765 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2021-01-27 02:38:15,782 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:38:15,782 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:38:15,786 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:38:15,787 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:38:15,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,819 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,819 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,820 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,820 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,822 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,822 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,823 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,823 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,827 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,827 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:15,843 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:38:15,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-27 02:38:15,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:38:15,883 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:38:15,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:38:15,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:38:15,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:38:15,884 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:38:15,884 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:38:15,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 48 and size of Sequence is : 49[2021-01-27 02:38:15,917 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 02:38:15,917 INFO L165 SleepSetCegar]: [72#[ULTIMATE.startENTRY]don't care, 75#[L-1]don't care, 78#[L-1-1]don't care, 81#[L17]don't care, 84#[L17-1]don't care, 87#[L17-2]don't care, 90#[L17-3]don't care, 93#[L17-4]don't care, 96#[L709]don't care, 99#[L710]don't care, 102#[L712]don't care, 105#[L714]don't care, 108#[L-1-2]don't care, 111#[L-1-3]don't care, 114#[L756]don't care, 117#[L756-1]don't care, 120#[L757]don't care, 123#[P0ENTRY, L757-1]don't care, 128#[L717, L757-1]don't care, 132#[L757-1, L719]don't care, 138#[L722, L757-1]don't care, 146#[L727, L757-1]don't care, 152#[L757-1, P0FINAL]don't care, 158#[P0EXIT, L757-1]don't care, 162#[P0EXIT, L758]don't care, 165#[L758-1, P0EXIT]don't care, 168#[P0EXIT, L759]don't care, 171#[P1ENTRY, P0EXIT, L759-1]don't care, 176#[P0EXIT, L732, L759-1]don't care, 182#[P0EXIT, L759-1, L734]don't care, 188#[P0EXIT, L737, L759-1]don't care, 194#[P0EXIT, L742, L759-1]don't care, 200#[P0EXIT, P1FINAL, L759-1]don't care, 204#[P0EXIT, P1EXIT, L759-1]don't care, 210#[P0EXIT, L760, P1EXIT]don't care, 213#[P0EXIT, L762, P1EXIT]don't care, 216#[L763, P0EXIT, P1EXIT]don't care, 219#[P0EXIT, P1EXIT, L2]don't care, 222#[L3, P0EXIT, P1EXIT]don't care, 225#[L3-1, P0EXIT, P1EXIT]don't care, 227#[P0EXIT, L2-1, P1EXIT]don't care, 232#[P0EXIT, L768, P1EXIT]don't care, 235#[P0EXIT, P1EXIT, L769]don't care, 238#[P0EXIT, L18, P1EXIT]don't care, 241#[P0EXIT, L18-1, P1EXIT]don't care, 244#[P0EXIT, L18-2, P1EXIT]don't care, 250#[P0EXIT, P1EXIT, L17-5]don't care, 253#[L17-7, P0EXIT, P1EXIT]don't care, 283#[P0EXIT, P1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 02:38:15,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:15,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:15,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1059723726, now seen corresponding path program 1 times [2021-01-27 02:38:15,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:15,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934546365] [2021-01-27 02:38:15,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:16,221 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 02:38:16,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934546365] [2021-01-27 02:38:16,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:16,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:38:16,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968320799] [2021-01-27 02:38:16,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:38:16,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:16,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:38:16,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:38:16,262 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:16,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 47 and size of Sequence is : 48[2021-01-27 02:38:16,285 INFO L164 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-27 02:38:16,286 INFO L165 SleepSetCegar]: [287#[ULTIMATE.startENTRY]true, 289#[L-1]true, 291#[L-1-1]true, 293#[L17]true, 295#[L17-1]true, 297#[L17-2]true, 299#[L17-3]true, 301#[L17-4]true, 303#[L709]true, 305#[L710]true, 307#[L712]true, 309#[L714]true, 311#[L-1-2]true, 313#[L-1-3]true, 315#[L756]true, 317#[L756-1]true, 319#[L757]true, 321#[P0ENTRY, L757-1]true, 324#[L717, L757-1]true, 327#[L757-1, L719]true, 331#[L722, L757-1]true, 336#[L727, L757-1]true, 340#[L757-1, P0FINAL]true, 344#[P0EXIT, L757-1]true, 347#[P0EXIT, L758]true, 349#[L758-1, P0EXIT]true, 351#[P0EXIT, L759]true, 353#[P1ENTRY, P0EXIT, L759-1]true, 356#[P0EXIT, L732, L759-1]true, 360#[P0EXIT, L759-1, L734]true, 364#[P0EXIT, L737, L759-1]true, 368#[P0EXIT, L742, L759-1]true, 372#[P0EXIT, P1FINAL, L759-1]true, 375#[P0EXIT, P1EXIT, L759-1]true, 379#[P0EXIT, L760, P1EXIT]true, 381#[P0EXIT, L762, P1EXIT]true, 383#[L763, P0EXIT, P1EXIT]true, 385#[P0EXIT, P1EXIT, L2]true, 387#[L3, P0EXIT, P1EXIT]true, 390#[P0EXIT, L2-1, P1EXIT]true, 395#[P0EXIT, L768, P1EXIT]true, 397#[P0EXIT, P1EXIT, L769]true, 399#[P0EXIT, L18, P1EXIT]true, 401#[P0EXIT, L18-1, P1EXIT]true, 403#[P0EXIT, L18-2, P1EXIT]true, 407#[P0EXIT, P1EXIT, L17-5]true, 409#[L17-7, P0EXIT, P1EXIT]true, 414#[P0EXIT, P1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:38:16,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:38:16,286 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:16,287 INFO L82 PathProgramCache]: Analyzing trace with hash 962733891, now seen corresponding path program 1 times [2021-01-27 02:38:16,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:16,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824785250] [2021-01-27 02:38:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:16,511 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 02:38:16,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824785250] [2021-01-27 02:38:16,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:16,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-27 02:38:16,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274913284] [2021-01-27 02:38:16,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-27 02:38:16,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:16,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-27 02:38:16,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-27 02:38:16,516 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:16,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 02:38:16,646 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:16,677 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 47 and size of Sequence is : 48[2021-01-27 02:38:16,712 INFO L164 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-27 02:38:16,713 INFO L165 SleepSetCegar]: [423#[ULTIMATE.startENTRY]true, 426#[L-1]true, 429#[L-1-1]true, 432#[L17]true, 435#[L17-1]true, 438#[L17-2]true, 441#[L17-3]true, 444#[L17-4]true, 447#[L709]true, 450#[L710]true, 453#[L712]true, 456#[L714]true, 459#[L-1-2]true, 462#[L-1-3]true, 465#[L756]true, 468#[L756-1]true, 471#[L757]true, 474#[P0ENTRY, L757-1]true, 479#[L717, L757-1]true, 483#[L757-1, L719]true, 489#[L722, L757-1]true, 497#[L727, L757-1]true, 503#[L757-1, P0FINAL]true, 509#[P0EXIT, L757-1]true, 513#[P0EXIT, L758]true, 516#[L758-1, P0EXIT]true, 519#[P0EXIT, L759]true, 522#[P1ENTRY, P0EXIT, L759-1]true, 527#[P0EXIT, L732, L759-1]true, 533#[P0EXIT, L759-1, L734]true, 537#[P0EXIT, L760, L734]true, 996#[P0EXIT, L762, L734]true, 1002#[L763, P0EXIT, L734]true, 1008#[P0EXIT, L2, L734]true, 1014#[L3, P0EXIT, L734]true, 1025#[P0EXIT, L2-1, L734]true, 1036#[P0EXIT, L768, L734]true, 1042#[P0EXIT, L768, L737](= ~y~0 1), 1050#[P0EXIT, L768, L742](= ~y~0 1), 1056#[P0EXIT, L768, P1FINAL](= ~y~0 1), 1060#[P0EXIT, L768, P1EXIT](= ~y~0 1), 1066#[P0EXIT, P1EXIT, L769](= ~y~0 1), 1069#[P0EXIT, L18, P1EXIT](= ~y~0 1), 1072#[P0EXIT, L18-1, P1EXIT](= ~y~0 1), 1075#[P0EXIT, L18-2, P1EXIT](= ~y~0 1), 1081#[P0EXIT, P1EXIT, L17-5](= ~y~0 1), 1084#[L17-7, P0EXIT, P1EXIT](= ~y~0 1), 1092#[P0EXIT, P1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION](= ~y~0 1)] [2021-01-27 02:38:16,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:38:16,714 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:16,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1722231423, now seen corresponding path program 2 times [2021-01-27 02:38:16,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:16,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027705272] [2021-01-27 02:38:16,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:16,933 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 02:38:16,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027705272] [2021-01-27 02:38:16,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:16,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:38:16,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422303676] [2021-01-27 02:38:16,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:38:16,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:16,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:38:16,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:38:16,937 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:16,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 02:38:17,031 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:17,250 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:17,278 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:17,338 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:17,448 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 47 and size of Sequence is : 48[2021-01-27 02:38:17,481 INFO L164 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-27 02:38:17,482 INFO L165 SleepSetCegar]: [1102#[ULTIMATE.startENTRY]true, 1105#[L-1]true, 1108#[L-1-1]true, 1111#[L17]true, 1114#[L17-1]true, 1117#[L17-2]true, 1120#[L17-3]true, 1123#[L17-4]true, 1126#[L709](= ~__unbuffered_cnt~0 0), 1131#[L710](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1134#[L712](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1137#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1140#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1143#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1146#[L756](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1149#[L756-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1152#[L757](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1155#[P0ENTRY, L757-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1160#[L717, L757-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1166#[L717, L758](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4418#[L758-1, L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4426#[L717, L759](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4434#[P1ENTRY, L717, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4449#[L717, L732, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4465#[L717, L759-1, L734](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4481#[L717, L737, L759-1](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4497#[L737, L719, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4512#[L722, L737, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4529#[L737, L727, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4544#[L737, P0FINAL, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4559#[P0EXIT, L737, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 4572#[P0EXIT, L742, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4582#[P0EXIT, P1FINAL, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4590#[P0EXIT, P1EXIT, L759-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4598#[P0EXIT, L760, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 4603#[P0EXIT, L762, P1EXIT]true, 4608#[L763, P0EXIT, P1EXIT]true, 4613#[P0EXIT, P1EXIT, L2]true, 4618#[L3, P0EXIT, P1EXIT]true, 4627#[P0EXIT, L2-1, P1EXIT]true, 4633#[P0EXIT, L768, P1EXIT]true, 4638#[P0EXIT, P1EXIT, L769]true, 4643#[P0EXIT, L18, P1EXIT]true, 4648#[P0EXIT, L18-1, P1EXIT]true, 4655#[P0EXIT, L18-2, P1EXIT]true, 4663#[P0EXIT, P1EXIT, L17-5]true, 4668#[L17-7, P0EXIT, P1EXIT]true, 4678#[P0EXIT, P1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:38:17,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:38:17,482 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:17,483 INFO L82 PathProgramCache]: Analyzing trace with hash -769370135, now seen corresponding path program 3 times [2021-01-27 02:38:17,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:17,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686670891] [2021-01-27 02:38:17,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:17,696 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 02:38:17,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686670891] [2021-01-27 02:38:17,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:17,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-27 02:38:17,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118885649] [2021-01-27 02:38:17,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-27 02:38:17,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:17,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-27 02:38:17,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-27 02:38:17,699 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:17,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 02:38:18,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:38:18,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:38:18 BasicIcfg [2021-01-27 02:38:18,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:38:18,042 INFO L168 Benchmark]: Toolchain (without parser) took 3728.05 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 276.8 MB in the beginning and 309.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:18,043 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:38:18,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.69 ms. Allocated memory is still 302.0 MB. Free memory was 275.8 MB in the beginning and 245.6 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:18,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.06 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 283.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:18,045 INFO L168 Benchmark]: Boogie Preprocessor took 51.35 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:38:18,046 INFO L168 Benchmark]: RCFGBuilder took 539.34 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 262.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:18,047 INFO L168 Benchmark]: TraceAbstraction took 2281.05 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 261.6 MB in the beginning and 309.3 MB in the end (delta: -47.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:18,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 723.69 ms. Allocated memory is still 302.0 MB. Free memory was 275.8 MB in the beginning and 245.6 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 111.06 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 283.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.35 ms. Allocated memory is still 302.0 MB. Free memory was 283.6 MB in the beginning and 282.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 539.34 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 262.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2281.05 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 261.6 MB in the beginning and 309.3 MB in the end (delta: -47.6 MB). Peak memory consumption was 46.7 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, 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, 0.6s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 17021 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...