/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 05:28:51,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 05:28:51,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 05:28:51,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 05:28:51,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 05:28:51,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 05:28:51,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 05:28:51,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 05:28:51,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 05:28:51,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 05:28:51,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 05:28:51,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 05:28:51,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 05:28:51,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 05:28:51,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 05:28:51,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 05:28:51,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 05:28:51,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 05:28:51,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 05:28:51,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 05:28:51,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 05:28:51,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 05:28:51,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 05:28:51,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 05:28:51,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 05:28:51,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 05:28:51,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 05:28:51,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 05:28:51,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 05:28:51,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 05:28:51,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 05:28:51,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 05:28:51,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 05:28:51,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 05:28:51,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 05:28:51,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 05:28:51,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 05:28:51,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 05:28:51,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 05:28:51,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 05:28:51,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 05:28:51,504 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-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 05:28:51,551 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 05:28:51,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 05:28:51,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 05:28:51,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 05:28:51,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 05:28:51,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 05:28:51,554 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 05:28:51,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 05:28:51,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 05:28:51,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 05:28:51,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 05:28:51,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 05:28:51,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:28:51,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 05:28:51,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 05:28:51,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 05:28:51,558 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 05:28:51,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 05:28:51,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 05:28:51,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 05:28:51,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 05:28:51,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 05:28:51,859 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 05:28:51,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 05:28:51,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d542cca/38623095e24b4b92a47c111e05eb8429/FLAGd5672e8d4 [2021-07-14 05:28:52,406 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 05:28:52,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 05:28:52,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d542cca/38623095e24b4b92a47c111e05eb8429/FLAGd5672e8d4 [2021-07-14 05:28:52,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d542cca/38623095e24b4b92a47c111e05eb8429 [2021-07-14 05:28:52,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 05:28:52,680 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 05:28:52,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 05:28:52,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 05:28:52,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 05:28:52,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:28:52" (1/1) ... [2021-07-14 05:28:52,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b03bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:52, skipping insertion in model container [2021-07-14 05:28:52,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:28:52" (1/1) ... [2021-07-14 05:28:52,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 05:28:52,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 05:28:52,885 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i[949,962] [2021-07-14 05:28:53,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:28:53,051 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 05:28:53,060 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i[949,962] [2021-07-14 05:28:53,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:28:53,116 INFO L208 MainTranslator]: Completed translation [2021-07-14 05:28:53,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53 WrapperNode [2021-07-14 05:28:53,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 05:28:53,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 05:28:53,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 05:28:53,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 05:28:53,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 05:28:53,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 05:28:53,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 05:28:53,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 05:28:53,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (1/1) ... [2021-07-14 05:28:53,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 05:28:53,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 05:28:53,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 05:28:53,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 05:28:53,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (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 [2021-07-14 05:28:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 05:28:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 05:28:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 05:28:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 05:28:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 05:28:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 05:28:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 05:28:53,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 05:28:53,248 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 05:28:53,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 05:28:53,594 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 05:28:53,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:28:53 BoogieIcfgContainer [2021-07-14 05:28:53,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 05:28:53,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 05:28:53,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 05:28:53,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 05:28:53,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:28:52" (1/3) ... [2021-07-14 05:28:53,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40da26f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:28:53, skipping insertion in model container [2021-07-14 05:28:53,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:28:53" (2/3) ... [2021-07-14 05:28:53,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40da26f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:28:53, skipping insertion in model container [2021-07-14 05:28:53,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:28:53" (3/3) ... [2021-07-14 05:28:53,601 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2021-07-14 05:28:53,605 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 05:28:53,605 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 05:28:53,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 05:28:53,606 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 05:28:53,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,630 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,630 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,632 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,632 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,634 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,634 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,642 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,642 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,645 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:28:53,659 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 05:28:53,680 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:28:53,812 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:28:53,812 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:28:53,812 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:28:53,812 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:28:53,812 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:28:53,813 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:28:53,813 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:28:53,813 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 05:28:53,876 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:28:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:28:53,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1901562764, now seen corresponding path program 1 times [2021-07-14 05:28:53,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:28:53,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612595585] [2021-07-14 05:28:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:28:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:28:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:28:54,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:28:54,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612595585] [2021-07-14 05:28:54,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612595585] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:28:54,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:28:54,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 05:28:54,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048124098] [2021-07-14 05:28:54,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 05:28:54,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:28:54,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 05:28:54,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 05:28:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:28:54,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-07-14 05:28:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 05:28:54,100 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:28:54,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:28:54,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1068172096, now seen corresponding path program 1 times [2021-07-14 05:28:54,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:28:54,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017411497] [2021-07-14 05:28:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:28:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:28:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:28:54,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:28:54,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017411497] [2021-07-14 05:28:54,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017411497] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:28:54,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:28:54,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 05:28:54,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945904965] [2021-07-14 05:28:54,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 05:28:54,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:28:54,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 05:28:54,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 05:28:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:28:54,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 05:28:54,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:28:54,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 05:28:54,816 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:28:54,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:28:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash 424813904, now seen corresponding path program 2 times [2021-07-14 05:28:54,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:28:54,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492301890] [2021-07-14 05:28:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:28:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:28:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:28:54,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:28:54,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492301890] [2021-07-14 05:28:54,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492301890] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:28:54,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:28:54,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 05:28:54,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056362671] [2021-07-14 05:28:54,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 05:28:54,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:28:54,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 05:28:54,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 05:28:54,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:28:54,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 05:28:54,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:54,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:28:54,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:28:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:28:55,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 05:28:55,554 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:28:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:28:55,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1127138722, now seen corresponding path program 3 times [2021-07-14 05:28:55,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:28:55,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964614342] [2021-07-14 05:28:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:28:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:28:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:28:55,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:28:55,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964614342] [2021-07-14 05:28:55,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964614342] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:28:55,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:28:55,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 05:28:55,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072489448] [2021-07-14 05:28:55,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 05:28:55,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:28:55,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 05:28:55,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 05:28:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:55,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:28:55,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 05:28:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:28:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:28:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:56,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:28:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:28:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:28:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 05:28:56,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 05:28:56,457 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 05:28:56,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:28:56 BasicIcfg [2021-07-14 05:28:56,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 05:28:56,459 INFO L168 Benchmark]: Toolchain (without parser) took 3778.98 ms. Allocated memory was 189.8 MB in the beginning and 399.5 MB in the end (delta: 209.7 MB). Free memory was 152.6 MB in the beginning and 243.7 MB in the end (delta: -91.1 MB). Peak memory consumption was 119.8 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,459 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 189.8 MB. Free memory is still 171.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 05:28:56,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.28 ms. Allocated memory is still 189.8 MB. Free memory was 152.4 MB in the beginning and 162.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.35 ms. Allocated memory is still 189.8 MB. Free memory was 162.4 MB in the beginning and 160.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,461 INFO L168 Benchmark]: Boogie Preprocessor took 27.50 ms. Allocated memory is still 189.8 MB. Free memory was 160.8 MB in the beginning and 159.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,463 INFO L168 Benchmark]: RCFGBuilder took 407.26 ms. Allocated memory is still 189.8 MB. Free memory was 159.2 MB in the beginning and 135.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,463 INFO L168 Benchmark]: TraceAbstraction took 2861.82 ms. Allocated memory was 189.8 MB in the beginning and 399.5 MB in the end (delta: 209.7 MB). Free memory was 135.1 MB in the beginning and 243.7 MB in the end (delta: -108.6 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB. [2021-07-14 05:28:56,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 189.8 MB. Free memory is still 171.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.28 ms. Allocated memory is still 189.8 MB. Free memory was 152.4 MB in the beginning and 162.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.35 ms. Allocated memory is still 189.8 MB. Free memory was 162.4 MB in the beginning and 160.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.50 ms. Allocated memory is still 189.8 MB. Free memory was 160.8 MB in the beginning and 159.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.26 ms. Allocated memory is still 189.8 MB. Free memory was 159.2 MB in the beginning and 135.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2861.82 ms. Allocated memory was 189.8 MB in the beginning and 399.5 MB in the end (delta: 209.7 MB). Free memory was 135.1 MB in the beginning and 243.7 MB in the end (delta: -108.6 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 60145, positive: 57771, positive conditional: 57771, positive unconditional: 0, negative: 2374, negative conditional: 2374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 58322, positive: 57771, positive conditional: 57771, positive unconditional: 0, negative: 551, negative conditional: 551, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 58322, positive: 57038, positive conditional: 0, positive unconditional: 57038, negative: 1284, negative conditional: 0, negative unconditional: 1284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 573, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 573, positive: 553, positive conditional: 0, positive unconditional: 553, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 48, positive conditional: 36, positive unconditional: 11, negative: 65, negative conditional: 10, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58322, positive: 56481, positive conditional: 0, positive unconditional: 56481, negative: 1268, negative conditional: 0, negative unconditional: 1268, unknown: 573, unknown conditional: 0, unknown unconditional: 573] , Statistics on independence cache: Total cache size (in pairs): 608, Positive cache size: 583, Positive conditional cache size: 26, Positive unconditional cache size: 557, Negative cache size: 25, Negative conditional cache size: 9, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 48, positive conditional: 36, positive unconditional: 11, negative: 65, negative conditional: 10, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3665, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 2923, negative conditional: 186, negative unconditional: 2737, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 608, Positive cache size: 583, Positive conditional cache size: 26, Positive unconditional cache size: 557, Negative cache size: 25, Negative conditional cache size: 9, Negative unconditional cache size: 16, Eliminated conditions: 2737, SemanticConditionEliminator.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 48, positive conditional: 36, positive unconditional: 11, negative: 65, negative conditional: 10, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3665, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 2923, negative conditional: 186, negative unconditional: 2737, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 608, Positive cache size: 583, Positive conditional cache size: 26, Positive unconditional cache size: 557, Negative cache size: 25, Negative conditional cache size: 9, Negative unconditional cache size: 16, Eliminated conditions: 2737, SemanticConditionEliminator.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 48, positive conditional: 36, positive unconditional: 11, negative: 65, negative conditional: 10, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3665, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 2923, negative conditional: 186, negative unconditional: 2737, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 608, Positive cache size: 583, Positive conditional cache size: 26, Positive unconditional cache size: 557, Negative cache size: 25, Negative conditional cache size: 9, Negative unconditional cache size: 16, Eliminated conditions: 2737, SemanticConditionEliminator.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3665, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 2932, negative conditional: 195, negative unconditional: 2737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 48, positive conditional: 36, positive unconditional: 11, negative: 65, negative conditional: 10, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3665, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 2923, negative conditional: 186, negative unconditional: 2737, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 608, Positive cache size: 583, Positive conditional cache size: 26, Positive unconditional cache size: 557, Negative cache size: 25, Negative conditional cache size: 9, Negative unconditional cache size: 16, Eliminated conditions: 2737 ], Maximal queried relation: 4, Independence queries for same thread: 1823 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2763.1ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 1880.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.7ms SsaConstructionTime, 122.3ms SatisfiabilityAnalysisTime, 475.2ms InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...