/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 02:22:48,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 02:22:48,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 02:22:48,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 02:22:48,920 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-Random42.epf [2021-06-14 02:22:48,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 02:22:48,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 02:22:48,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 02:22:48,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 02:22:48,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 02:22:48,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 02:22:48,945 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 02:22:48,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 02:22:48,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 02:22:48,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 02:22:48,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 02:22:48,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 02:22:48,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 02:22:48,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 02:22:48,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 02:22:48,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 02:22:48,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 02:22:48,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 02:22:48,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 02:22:48,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 02:22:48,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 02:22:48,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 02:22:48,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 02:22:48,959 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 02:22:48,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 02:22:48,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 02:22:48,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 02:22:48,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 02:22:48,960 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 02:22:48,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 02:22:48,961 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 02:22:49,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 02:22:49,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 02:22:49,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 02:22:49,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 02:22:49,290 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 02:22:49,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-06-14 02:22:49,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f83138b/ce284da01f04413b8ac1129d9523f9d7/FLAGbfb0c3389 [2021-06-14 02:22:49,898 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 02:22:49,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-06-14 02:22:49,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f83138b/ce284da01f04413b8ac1129d9523f9d7/FLAGbfb0c3389 [2021-06-14 02:22:50,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f83138b/ce284da01f04413b8ac1129d9523f9d7 [2021-06-14 02:22:50,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 02:22:50,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 02:22:50,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 02:22:50,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 02:22:50,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 02:22:50,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50, skipping insertion in model container [2021-06-14 02:22:50,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 02:22:50,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 02:22:50,506 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/thin001_tso.oepc.i[950,963] [2021-06-14 02:22:50,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 02:22:50,661 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 02:22:50,671 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/thin001_tso.oepc.i[950,963] [2021-06-14 02:22:50,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 02:22:50,755 INFO L208 MainTranslator]: Completed translation [2021-06-14 02:22:50,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50 WrapperNode [2021-06-14 02:22:50,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 02:22:50,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 02:22:50,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 02:22:50,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 02:22:50,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 02:22:50,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 02:22:50,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 02:22:50,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 02:22:50,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (1/1) ... [2021-06-14 02:22:50,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 02:22:50,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 02:22:50,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 02:22:50,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 02:22:50,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (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 [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-14 02:22:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-14 02:22:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-14 02:22:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-14 02:22:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-14 02:22:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 02:22:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-14 02:22:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 02:22:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 02:22:50,871 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 02:22:51,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 02:22:51,251 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-14 02:22:51,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:22:51 BoogieIcfgContainer [2021-06-14 02:22:51,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 02:22:51,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 02:22:51,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 02:22:51,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 02:22:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:22:50" (1/3) ... [2021-06-14 02:22:51,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236bd94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:22:51, skipping insertion in model container [2021-06-14 02:22:51,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:22:50" (2/3) ... [2021-06-14 02:22:51,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236bd94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:22:51, skipping insertion in model container [2021-06-14 02:22:51,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:22:51" (3/3) ... [2021-06-14 02:22:51,261 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2021-06-14 02:22:51,273 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 02:22:51,273 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 02:22:51,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 02:22:51,274 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 02:22:51,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,315 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,321 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,321 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,325 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,326 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 02:22:51,331 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 02:22:51,349 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 [2021-06-14 02:22:51,445 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 02:22:51,445 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 02:22:51,445 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 02:22:51,446 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 02:22:51,446 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 02:22:51,446 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 02:22:51,446 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 02:22:51,446 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 02:22:51,524 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:22:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:22:51,528 INFO L82 PathProgramCache]: Analyzing trace with hash -898578497, now seen corresponding path program 1 times [2021-06-14 02:22:51,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:22:51,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615761172] [2021-06-14 02:22:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:22:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:22:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:22:51,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:22:51,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615761172] [2021-06-14 02:22:51,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615761172] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:22:51,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:22:51,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 02:22:51,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115066315] [2021-06-14 02:22:51,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 02:22:51,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:22:51,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 02:22:51,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 02:22:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:51,768 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:22:51,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2021-06-14 02:22:51,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:51,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 02:22:51,782 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:22:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:22:51,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1699874213, now seen corresponding path program 1 times [2021-06-14 02:22:51,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:22:51,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367832598] [2021-06-14 02:22:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:22:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:22:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:22:51,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:22:51,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367832598] [2021-06-14 02:22:51,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367832598] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:22:51,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:22:51,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:22:51,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863019073] [2021-06-14 02:22:51,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:22:52,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:22:52,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:22:52,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:22:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:52,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:22:52,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-14 02:22:52,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:52,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:52,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 02:22:52,891 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:22:52,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:22:52,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1101433715, now seen corresponding path program 2 times [2021-06-14 02:22:52,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:22:52,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111476560] [2021-06-14 02:22:52,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:22:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:22:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:22:53,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:22:53,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111476560] [2021-06-14 02:22:53,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111476560] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:22:53,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:22:53,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:22:53,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307036282] [2021-06-14 02:22:53,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:22:53,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:22:53,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:22:53,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:22:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:53,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:22:53,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-14 02:22:53,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:53,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:53,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:53,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 02:22:53,979 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 02:22:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 02:22:53,980 INFO L82 PathProgramCache]: Analyzing trace with hash 571388545, now seen corresponding path program 3 times [2021-06-14 02:22:53,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 02:22:53,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850603599] [2021-06-14 02:22:53,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 02:22:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 02:22:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 02:22:54,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 02:22:54,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850603599] [2021-06-14 02:22:54,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850603599] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 02:22:54,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 02:22:54,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 02:22:54,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494274347] [2021-06-14 02:22:54,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 02:22:54,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 02:22:54,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 02:22:54,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 02:22:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:54,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 02:22:54,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-14 02:22:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 02:22:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 02:22:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 02:22:55,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 02:22:55,536 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 02:22:55,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:22:55 BasicIcfg [2021-06-14 02:22:55,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 02:22:55,539 INFO L168 Benchmark]: Toolchain (without parser) took 5199.59 ms. Allocated memory was 210.8 MB in the beginning and 779.1 MB in the end (delta: 568.3 MB). Free memory was 173.7 MB in the beginning and 589.6 MB in the end (delta: -415.9 MB). Peak memory consumption was 285.9 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,540 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 210.8 MB. Free memory is still 192.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 02:22:55,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.40 ms. Allocated memory is still 210.8 MB. Free memory was 173.5 MB in the beginning and 173.0 MB in the end (delta: 455.7 kB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.38 ms. Allocated memory is still 210.8 MB. Free memory was 173.0 MB in the beginning and 170.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,541 INFO L168 Benchmark]: Boogie Preprocessor took 19.34 ms. Allocated memory is still 210.8 MB. Free memory was 170.9 MB in the beginning and 169.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,541 INFO L168 Benchmark]: RCFGBuilder took 442.43 ms. Allocated memory is still 210.8 MB. Free memory was 169.7 MB in the beginning and 145.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,542 INFO L168 Benchmark]: TraceAbstraction took 4284.57 ms. Allocated memory was 210.8 MB in the beginning and 779.1 MB in the end (delta: 568.3 MB). Free memory was 145.5 MB in the beginning and 589.6 MB in the end (delta: -444.1 MB). Peak memory consumption was 257.9 MB. Max. memory is 8.0 GB. [2021-06-14 02:22:55,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 210.8 MB. Free memory is still 192.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 412.40 ms. Allocated memory is still 210.8 MB. Free memory was 173.5 MB in the beginning and 173.0 MB in the end (delta: 455.7 kB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.38 ms. Allocated memory is still 210.8 MB. Free memory was 173.0 MB in the beginning and 170.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.34 ms. Allocated memory is still 210.8 MB. Free memory was 170.9 MB in the beginning and 169.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 442.43 ms. Allocated memory is still 210.8 MB. Free memory was 169.7 MB in the beginning and 145.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4284.57 ms. Allocated memory was 210.8 MB in the beginning and 779.1 MB in the end (delta: 568.3 MB). Free memory was 145.5 MB in the beginning and 589.6 MB in the end (delta: -444.1 MB). Peak memory consumption was 257.9 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: 141356, positive: 136087, positive conditional: 136087, positive unconditional: 0, negative: 5269, negative conditional: 5269, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 137018, positive: 136087, positive conditional: 136087, positive unconditional: 0, negative: 931, negative conditional: 931, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 137018, positive: 135663, positive conditional: 0, positive unconditional: 135663, negative: 1355, negative conditional: 0, negative unconditional: 1355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 863, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 863, positive: 844, positive conditional: 0, positive unconditional: 844, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 42, positive conditional: 20, positive unconditional: 22, negative: 57, negative conditional: 10, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137018, positive: 134813, positive conditional: 0, positive unconditional: 134813, negative: 1342, negative conditional: 0, negative unconditional: 1342, unknown: 863, unknown conditional: 0, unknown unconditional: 863] , Statistics on independence cache: Total cache size (in pairs): 878, Positive cache size: 858, Positive conditional cache size: 8, Positive unconditional cache size: 850, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 42, positive conditional: 20, positive unconditional: 22, negative: 57, negative conditional: 10, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4020, positive: 416, positive conditional: 416, positive unconditional: 0, negative: 3589, negative conditional: 124, negative unconditional: 3465, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 878, Positive cache size: 858, Positive conditional cache size: 8, Positive unconditional cache size: 850, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 42, positive conditional: 20, positive unconditional: 22, negative: 57, negative conditional: 10, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4020, positive: 416, positive conditional: 416, positive unconditional: 0, negative: 3589, negative conditional: 124, negative unconditional: 3465, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 878, Positive cache size: 858, Positive conditional cache size: 8, Positive unconditional cache size: 850, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 42, positive conditional: 20, positive unconditional: 22, negative: 57, negative conditional: 10, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4020, positive: 416, positive conditional: 416, positive unconditional: 0, negative: 3589, negative conditional: 124, negative unconditional: 3465, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 878, Positive cache size: 858, Positive conditional cache size: 8, Positive unconditional cache size: 850, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 3465, SemanticConditionEliminator.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4020, positive: 424, positive conditional: 424, positive unconditional: 0, negative: 3596, negative conditional: 131, negative unconditional: 3465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 42, positive conditional: 20, positive unconditional: 22, negative: 57, negative conditional: 10, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4020, positive: 416, positive conditional: 416, positive unconditional: 0, negative: 3589, negative conditional: 124, negative unconditional: 3465, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 878, Positive cache size: 858, Positive conditional cache size: 8, Positive unconditional cache size: 850, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 3465 ], Maximal queried relation: 4, Independence queries for same thread: 4338 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4160.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 3283.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, 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: 22.0ms SsaConstructionTime, 166.8ms SatisfiabilityAnalysisTime, 450.3ms InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 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...