/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/safe034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-17 03:35:26,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-17 03:35:26,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-17 03:35:27,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-17 03:35:27,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-17 03:35:27,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-17 03:35:27,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-17 03:35:27,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-17 03:35:27,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-17 03:35:27,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-17 03:35:27,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-17 03:35:27,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-17 03:35:27,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-17 03:35:27,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-17 03:35:27,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-17 03:35:27,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-17 03:35:27,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-17 03:35:27,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-17 03:35:27,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-17 03:35:27,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-17 03:35:27,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-17 03:35:27,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-17 03:35:27,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-17 03:35:27,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-17 03:35:27,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-17 03:35:27,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-17 03:35:27,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-17 03:35:27,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-17 03:35:27,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-02-17 03:35:27,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-17 03:35:27,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-17 03:35:27,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-17 03:35:27,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-17 03:35:27,144 INFO L138 SettingsManager]: * Use SBE=true [2021-02-17 03:35:27,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-17 03:35:27,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-17 03:35:27,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-17 03:35:27,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-17 03:35:27,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-17 03:35:27,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-17 03:35:27,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-17 03:35:27,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-17 03:35:27,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-17 03:35:27,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-17 03:35:27,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-17 03:35:27,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-17 03:35:27,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-17 03:35:27,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-17 03:35:27,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-17 03:35:27,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-17 03:35:27,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:35:27,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-17 03:35:27,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-17 03:35:27,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-17 03:35:27,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-17 03:35:27,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-17 03:35:27,152 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-17 03:35:27,152 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-17 03:35:27,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-17 03:35:27,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-17 03:35:27,153 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-17 03:35:27,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-17 03:35:27,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-17 03:35:27,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-17 03:35:27,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-17 03:35:27,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-17 03:35:27,581 INFO L275 PluginConnector]: CDTParser initialized [2021-02-17 03:35:27,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-02-17 03:35:27,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c8494/a253dd606a4244afa2ff03ad507b2246/FLAGe1adb78ee [2021-02-17 03:35:28,376 INFO L306 CDTParser]: Found 1 translation units. [2021-02-17 03:35:28,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-02-17 03:35:28,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c8494/a253dd606a4244afa2ff03ad507b2246/FLAGe1adb78ee [2021-02-17 03:35:28,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c8494/a253dd606a4244afa2ff03ad507b2246 [2021-02-17 03:35:28,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-17 03:35:28,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-17 03:35:28,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-17 03:35:28,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-17 03:35:28,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-17 03:35:28,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:35:28" (1/1) ... [2021-02-17 03:35:28,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d504a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:28, skipping insertion in model container [2021-02-17 03:35:28,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:35:28" (1/1) ... [2021-02-17 03:35:28,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-17 03:35:28,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-17 03:35:28,872 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i[949,962] [2021-02-17 03:35:29,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:35:29,138 INFO L203 MainTranslator]: Completed pre-run [2021-02-17 03:35:29,156 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i[949,962] [2021-02-17 03:35:29,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:35:29,372 INFO L208 MainTranslator]: Completed translation [2021-02-17 03:35:29,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29 WrapperNode [2021-02-17 03:35:29,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-17 03:35:29,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-17 03:35:29,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-17 03:35:29,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-17 03:35:29,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-17 03:35:29,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-17 03:35:29,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-17 03:35:29,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-17 03:35:29,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... [2021-02-17 03:35:29,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-17 03:35:29,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-17 03:35:29,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-17 03:35:29,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-17 03:35:29,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:35:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-17 03:35:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-17 03:35:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-17 03:35:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-17 03:35:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-17 03:35:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-17 03:35:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-17 03:35:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-17 03:35:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-17 03:35:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-17 03:35:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-17 03:35:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-17 03:35:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-17 03:35:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-17 03:35:29,671 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-17 03:35:30,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-17 03:35:30,188 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-17 03:35:30,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:35:30 BoogieIcfgContainer [2021-02-17 03:35:30,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-17 03:35:30,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-17 03:35:30,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-17 03:35:30,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-17 03:35:30,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:35:28" (1/3) ... [2021-02-17 03:35:30,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b24e887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:35:30, skipping insertion in model container [2021-02-17 03:35:30,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:35:29" (2/3) ... [2021-02-17 03:35:30,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b24e887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:35:30, skipping insertion in model container [2021-02-17 03:35:30,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:35:30" (3/3) ... [2021-02-17 03:35:30,203 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_tso.opt.i [2021-02-17 03:35:30,214 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-17 03:35:30,215 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-17 03:35:30,221 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-17 03:35:30,222 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-17 03:35:30,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,271 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,280 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,280 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,304 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:35:30,309 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-17 03:35:30,335 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-17 03:35:30,395 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-17 03:35:30,396 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-17 03:35:30,396 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-17 03:35:30,396 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-17 03:35:30,396 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-17 03:35:30,396 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-17 03:35:30,397 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-17 03:35:30,397 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-17 03:35:30,492 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:35:30,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:35:30,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1540525417, now seen corresponding path program 1 times [2021-02-17 03:35:30,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:35:30,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716589848] [2021-02-17 03:35:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:35:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:35:30,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:30,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:30,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:30,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:35:30,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716589848] [2021-02-17 03:35:30,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:35:30,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-17 03:35:30,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282930438] [2021-02-17 03:35:30,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-02-17 03:35:30,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:35:30,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-02-17 03:35:30,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-02-17 03:35:30,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:30,880 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:35:30,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:35:30,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:30,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-17 03:35:30,963 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:35:30,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:35:30,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1544410547, now seen corresponding path program 1 times [2021-02-17 03:35:30,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:35:30,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425693399] [2021-02-17 03:35:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:35:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:35:31,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:31,163 WARN L141 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-02-17 03:35:31,165 WARN L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-02-17 03:35:31,187 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:35:31,189 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:35:31,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:31,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:31,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:35:31,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425693399] [2021-02-17 03:35:31,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:35:31,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-17 03:35:31,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034105156] [2021-02-17 03:35:31,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-17 03:35:31,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:35:31,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-17 03:35:31,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-17 03:35:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,273 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:35:31,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:35:31,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:31,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-17 03:35:31,677 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:35:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:35:31,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2128226739, now seen corresponding path program 2 times [2021-02-17 03:35:31,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:35:31,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350767979] [2021-02-17 03:35:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:35:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:35:31,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:31,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:31,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:31,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:31,853 WARN L141 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-02-17 03:35:31,855 WARN L147 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size 29 [2021-02-17 03:35:31,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-17 03:35:31,900 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-17 03:35:31,901 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-17 03:35:31,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:31,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:35:31,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350767979] [2021-02-17 03:35:31,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:35:31,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:35:31,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401148228] [2021-02-17 03:35:31,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:35:31,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:35:31,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:35:31,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:35:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,928 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:35:31,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:35:31,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:31,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:31,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:35:32,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-17 03:35:32,986 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:35:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:35:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash 403151507, now seen corresponding path program 3 times [2021-02-17 03:35:32,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:35:32,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027163525] [2021-02-17 03:35:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:35:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:35:33,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:33,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:33,154 WARN L141 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-02-17 03:35:33,155 WARN L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-02-17 03:35:33,166 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:35:33,167 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:35:33,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:33,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:33,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:35:33,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027163525] [2021-02-17 03:35:33,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:35:33,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:35:33,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037564686] [2021-02-17 03:35:33,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:35:33,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:35:33,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:35:33,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:35:33,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:33,233 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:35:33,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:35:33,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:33,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:33,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:35:33,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:35:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:35:33,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-17 03:35:33,828 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:35:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:35:33,828 INFO L82 PathProgramCache]: Analyzing trace with hash -283909063, now seen corresponding path program 4 times [2021-02-17 03:35:33,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:35:33,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58842257] [2021-02-17 03:35:33,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:35:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:35:33,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:33,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:33,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:35:33,936 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:35:33,937 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:35:33,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:33,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:35:33,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:35:33,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:35:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:35:34,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58842257] [2021-02-17 03:35:34,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:35:34,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:35:34,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297943434] [2021-02-17 03:35:34,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:35:34,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:35:34,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:35:34,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:35:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:34,006 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:35:34,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-17 03:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:35:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-17 03:35:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:35:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:35:34,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:35:34,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-17 03:35:34,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:35:34 BasicIcfg [2021-02-17 03:35:34,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-17 03:35:34,929 INFO L168 Benchmark]: Toolchain (without parser) took 6294.50 ms. Allocated memory was 302.0 MB in the beginning and 413.1 MB in the end (delta: 111.1 MB). Free memory was 277.0 MB in the beginning and 233.8 MB in the end (delta: 43.2 MB). Peak memory consumption was 236.4 MB. Max. memory is 16.0 GB. [2021-02-17 03:35:34,930 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:35:34,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.62 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 282.1 MB in the end (delta: -6.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.0 GB. [2021-02-17 03:35:34,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.46 ms. Allocated memory is still 302.0 MB. Free memory was 282.1 MB in the beginning and 280.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:35:34,939 INFO L168 Benchmark]: Boogie Preprocessor took 60.85 ms. Allocated memory is still 302.0 MB. Free memory was 280.2 MB in the beginning and 279.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:35:34,945 INFO L168 Benchmark]: RCFGBuilder took 648.78 ms. Allocated memory is still 302.0 MB. Free memory was 279.2 MB in the beginning and 256.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:35:34,946 INFO L168 Benchmark]: TraceAbstraction took 4733.40 ms. Allocated memory was 302.0 MB in the beginning and 413.1 MB in the end (delta: 111.1 MB). Free memory was 255.1 MB in the beginning and 233.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 214.0 MB. Max. memory is 16.0 GB. [2021-02-17 03:35:34,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 729.62 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 282.1 MB in the end (delta: -6.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 104.46 ms. Allocated memory is still 302.0 MB. Free memory was 282.1 MB in the beginning and 280.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 60.85 ms. Allocated memory is still 302.0 MB. Free memory was 280.2 MB in the beginning and 279.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 648.78 ms. Allocated memory is still 302.0 MB. Free memory was 279.2 MB in the beginning and 256.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4733.40 ms. Allocated memory was 302.0 MB in the beginning and 413.1 MB in the end (delta: 111.1 MB). Free memory was 255.1 MB in the beginning and 233.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 214.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 46969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...