/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 02:54:06,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 02:54:06,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 02:54:06,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 02:54:06,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 02:54:06,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 02:54:06,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 02:54:06,346 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.epf [2021-07-14 02:54:06,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 02:54:06,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 02:54:06,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 02:54:06,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 02:54:06,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 02:54:06,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 02:54:06,381 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 02:54:06,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 02:54:06,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 02:54:06,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 02:54:06,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 02:54:06,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 02:54:06,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 02:54:06,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 02:54:06,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 02:54:06,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 02:54:06,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 02:54:06,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 02:54:06,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:54:06,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 02:54:06,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 02:54:06,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 02:54:06,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 02:54:06,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 02:54:06,385 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 02:54:06,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 02:54:06,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 02:54:06,385 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 02:54:06,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 02:54:06,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 02:54:06,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 02:54:06,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 02:54:06,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 02:54:06,695 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 02:54:06,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i [2021-07-14 02:54:06,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cba67cb0/6cf2cb8d78954c3c95593f7620cb1d2e/FLAG9d1035db2 [2021-07-14 02:54:07,251 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 02:54:07,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i [2021-07-14 02:54:07,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cba67cb0/6cf2cb8d78954c3c95593f7620cb1d2e/FLAG9d1035db2 [2021-07-14 02:54:07,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cba67cb0/6cf2cb8d78954c3c95593f7620cb1d2e [2021-07-14 02:54:07,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 02:54:07,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 02:54:07,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 02:54:07,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 02:54:07,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 02:54:07,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:07" (1/1) ... [2021-07-14 02:54:07,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7fe56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07, skipping insertion in model container [2021-07-14 02:54:07,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:07" (1/1) ... [2021-07-14 02:54:07,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 02:54:07,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 02:54:07,980 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/safe006_pso.oepc.i[950,963] [2021-07-14 02:54:08,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:54:08,178 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 02:54:08,188 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/safe006_pso.oepc.i[950,963] [2021-07-14 02:54:08,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:54:08,262 INFO L208 MainTranslator]: Completed translation [2021-07-14 02:54:08,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08 WrapperNode [2021-07-14 02:54:08,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 02:54:08,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 02:54:08,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 02:54:08,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 02:54:08,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 02:54:08,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 02:54:08,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 02:54:08,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 02:54:08,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (1/1) ... [2021-07-14 02:54:08,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 02:54:08,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 02:54:08,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 02:54:08,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 02:54:08,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (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 02:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 02:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 02:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 02:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 02:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 02:54:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 02:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 02:54:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 02:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 02:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 02:54:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 02:54:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 02:54:08,430 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 02:54:08,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 02:54:08,705 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 02:54:08,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:08 BoogieIcfgContainer [2021-07-14 02:54:08,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 02:54:08,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 02:54:08,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 02:54:08,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 02:54:08,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:54:07" (1/3) ... [2021-07-14 02:54:08,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9585b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:08, skipping insertion in model container [2021-07-14 02:54:08,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:08" (2/3) ... [2021-07-14 02:54:08,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9585b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:08, skipping insertion in model container [2021-07-14 02:54:08,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:08" (3/3) ... [2021-07-14 02:54:08,713 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc.i [2021-07-14 02:54:08,718 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 02:54:08,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 02:54:08,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 02:54:08,719 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 02:54:08,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,741 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,743 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,743 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,752 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:08,759 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 02:54:08,775 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 02:54:08,817 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 02:54:08,818 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 02:54:08,818 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 02:54:08,818 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 02:54:08,818 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 02:54:08,818 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 02:54:08,818 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 02:54:08,818 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 02:54:08,865 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:08,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:08,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2007871580, now seen corresponding path program 1 times [2021-07-14 02:54:08,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:08,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136063334] [2021-07-14 02:54:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:09,033 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 02:54:09,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:09,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136063334] [2021-07-14 02:54:09,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136063334] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:09,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:09,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 02:54:09,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353315341] [2021-07-14 02:54:09,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 02:54:09,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 02:54:09,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 02:54:09,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:09,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 02:54:09,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 02:54:09,126 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:09,127 INFO L82 PathProgramCache]: Analyzing trace with hash -593502858, now seen corresponding path program 1 times [2021-07-14 02:54:09,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:09,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377353855] [2021-07-14 02:54:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:09,368 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 02:54:09,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:09,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377353855] [2021-07-14 02:54:09,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377353855] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:09,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:09,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:09,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118328428] [2021-07-14 02:54:09,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:09,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:09,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 02:54:09,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:09,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 02:54:09,619 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:09,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:09,620 INFO L82 PathProgramCache]: Analyzing trace with hash 939667255, now seen corresponding path program 1 times [2021-07-14 02:54:09,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:09,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654471771] [2021-07-14 02:54:09,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:09,780 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 02:54:09,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:09,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654471771] [2021-07-14 02:54:09,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654471771] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:09,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:09,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:09,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860626412] [2021-07-14 02:54:09,781 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:09,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:09,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:09,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,782 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:09,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 02:54:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:54:09,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 02:54:09,938 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:09,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:09,938 INFO L82 PathProgramCache]: Analyzing trace with hash 718109818, now seen corresponding path program 1 times [2021-07-14 02:54:09,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:09,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599278036] [2021-07-14 02:54:09,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:10,101 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 02:54:10,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:10,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599278036] [2021-07-14 02:54:10,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599278036] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:10,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:10,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:54:10,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100052310] [2021-07-14 02:54:10,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:54:10,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:10,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:54:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:54:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:10,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:54:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:54:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:10,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 02:54:10,342 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:10,344 INFO L82 PathProgramCache]: Analyzing trace with hash -56614108, now seen corresponding path program 1 times [2021-07-14 02:54:10,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:10,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031731225] [2021-07-14 02:54:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:10,505 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 02:54:10,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:10,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031731225] [2021-07-14 02:54:10,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031731225] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:10,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:10,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:10,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647709668] [2021-07-14 02:54:10,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:10,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:10,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:10,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:10,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 02:54:10,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:10,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:54:10,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:10,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 02:54:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:54:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:10,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 02:54:10,878 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 02:54:10,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:54:10 BasicIcfg [2021-07-14 02:54:10,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 02:54:10,881 INFO L168 Benchmark]: Toolchain (without parser) took 3099.64 ms. Allocated memory was 197.1 MB in the beginning and 244.3 MB in the end (delta: 47.2 MB). Free memory was 159.7 MB in the beginning and 154.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,881 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 197.1 MB. Free memory is still 178.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 02:54:10,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.77 ms. Allocated memory is still 197.1 MB. Free memory was 159.4 MB in the beginning and 170.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.62 ms. Allocated memory is still 197.1 MB. Free memory was 170.3 MB in the beginning and 168.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,882 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 ms. Allocated memory is still 197.1 MB. Free memory was 168.3 MB in the beginning and 167.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,883 INFO L168 Benchmark]: RCFGBuilder took 355.74 ms. Allocated memory is still 197.1 MB. Free memory was 167.2 MB in the beginning and 145.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,889 INFO L168 Benchmark]: TraceAbstraction took 2171.44 ms. Allocated memory was 197.1 MB in the beginning and 244.3 MB in the end (delta: 47.2 MB). Free memory was 145.2 MB in the beginning and 154.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:10,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 197.1 MB. Free memory is still 178.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 473.77 ms. Allocated memory is still 197.1 MB. Free memory was 159.4 MB in the beginning and 170.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.62 ms. Allocated memory is still 197.1 MB. Free memory was 170.3 MB in the beginning and 168.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.17 ms. Allocated memory is still 197.1 MB. Free memory was 168.3 MB in the beginning and 167.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 355.74 ms. Allocated memory is still 197.1 MB. Free memory was 167.2 MB in the beginning and 145.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2171.44 ms. Allocated memory was 197.1 MB in the beginning and 244.3 MB in the end (delta: 47.2 MB). Free memory was 145.2 MB in the beginning and 154.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 39.5 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: 5289, positive: 5179, positive conditional: 5179, positive unconditional: 0, negative: 110, negative conditional: 110, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5264, positive: 5179, positive conditional: 5179, positive unconditional: 0, negative: 85, negative conditional: 85, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5264, positive: 5161, positive conditional: 0, positive unconditional: 5161, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 307, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 307, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5264, positive: 4862, positive conditional: 0, positive unconditional: 4862, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 383, negative conditional: 40, negative unconditional: 343, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, Eliminated conditions: 343, SemanticConditionEliminator.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 383, negative conditional: 40, negative unconditional: 343, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, Eliminated conditions: 343, SemanticConditionEliminator.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 383, negative conditional: 40, negative unconditional: 343, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, Eliminated conditions: 343, SemanticConditionEliminator.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 383, negative conditional: 40, negative unconditional: 343, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, Eliminated conditions: 343, SemanticConditionEliminator.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 396, negative conditional: 53, negative unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 47, positive conditional: 10, positive unconditional: 37, negative: 56, negative conditional: 38, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 383, negative conditional: 40, negative unconditional: 343, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 304, Positive conditional cache size: 5, Positive unconditional cache size: 299, Negative cache size: 21, Negative conditional cache size: 13, Negative unconditional cache size: 8, Eliminated conditions: 343 ], Maximal queried relation: 5, Independence queries for same thread: 25 - 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 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2087.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 1100.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 19.3ms SsaConstructionTime, 115.3ms SatisfiabilityAnalysisTime, 657.7ms InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...