/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:45:45,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:45:45,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:45:45,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 22:45:45,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 22:45:45,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 22:45:45,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 22:45:45,816 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-DelaySleep-NoLbe.epf [2021-06-01 22:45:45,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:45:45,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:45:45,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:45:45,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:45:45,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:45:45,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:45:45,859 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:45:45,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:45:45,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:45:45,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:45:45,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:45:45,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:45:45,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:45:45,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:45:45,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:45:45,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:45:45,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:45:45,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:45:45,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:45:45,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:45:45,863 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:45:45,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:45:46,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:45:46,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:45:46,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:45:46,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:45:46,226 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:45:46,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2021-06-01 22:45:46,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d142a9402/d30d596cbc574e19a52b750ee60cf05f/FLAGf012f84a3 [2021-06-01 22:45:46,959 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:45:46,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2021-06-01 22:45:46,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d142a9402/d30d596cbc574e19a52b750ee60cf05f/FLAGf012f84a3 [2021-06-01 22:45:47,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d142a9402/d30d596cbc574e19a52b750ee60cf05f [2021-06-01 22:45:47,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:45:47,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:45:47,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:45:47,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:45:47,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:45:47,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adb7af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47, skipping insertion in model container [2021-06-01 22:45:47,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:45:47,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:45:47,517 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/safe000_pso.oepc.i[950,963] [2021-06-01 22:45:47,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:45:47,640 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:45:47,649 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/safe000_pso.oepc.i[950,963] [2021-06-01 22:45:47,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:45:47,735 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:45:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47 WrapperNode [2021-06-01 22:45:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:45:47,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:45:47,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:45:47,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:45:47,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:45:47,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:45:47,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:45:47,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:45:47,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (1/1) ... [2021-06-01 22:45:47,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:45:47,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:45:47,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:45:47,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:45:47,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (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 [2021-06-01 22:45:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:45:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:45:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:45:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:45:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:45:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:45:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:45:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:45:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-01 22:45:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-01 22:45:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:45:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:45:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:45:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:45:47,877 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 22:45:48,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:45:48,178 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:45:48,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:45:48 BoogieIcfgContainer [2021-06-01 22:45:48,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:45:48,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:45:48,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:45:48,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:45:48,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:45:47" (1/3) ... [2021-06-01 22:45:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65528f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:45:48, skipping insertion in model container [2021-06-01 22:45:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:45:47" (2/3) ... [2021-06-01 22:45:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65528f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:45:48, skipping insertion in model container [2021-06-01 22:45:48,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:45:48" (3/3) ... [2021-06-01 22:45:48,186 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc.i [2021-06-01 22:45:48,191 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:45:48,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:45:48,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:45:48,192 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,228 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,235 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,239 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,239 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,244 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,244 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:45:48,247 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:45:48,266 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 [2021-06-01 22:45:48,321 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:45:48,321 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:45:48,321 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:45:48,321 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:45:48,321 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 22:45:48,322 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:45:48,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 22:45:48,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:45:48,363 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:48,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:48,369 INFO L82 PathProgramCache]: Analyzing trace with hash 485322609, now seen corresponding path program 1 times [2021-06-01 22:45:48,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:48,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410383371] [2021-06-01 22:45:48,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:48,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:48,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410383371] [2021-06-01 22:45:48,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410383371] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:48,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:48,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 22:45:48,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306845078] [2021-06-01 22:45:48,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 22:45:48,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:48,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 22:45:48,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-01 22:45:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:48,781 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:48,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-06-01 22:45:48,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:48,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:45:48,978 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1585907672, now seen corresponding path program 1 times [2021-06-01 22:45:48,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:48,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315212050] [2021-06-01 22:45:48,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:49,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:49,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315212050] [2021-06-01 22:45:49,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315212050] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:49,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:49,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:45:49,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479752324] [2021-06-01 22:45:49,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:45:49,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:49,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:45:49,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:45:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:49,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:49,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-01 22:45:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:45:50,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:45:50,211 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:50,211 INFO L82 PathProgramCache]: Analyzing trace with hash 451965295, now seen corresponding path program 2 times [2021-06-01 22:45:50,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:50,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744587520] [2021-06-01 22:45:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:50,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:50,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744587520] [2021-06-01 22:45:50,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744587520] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:50,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:50,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:45:50,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374177751] [2021-06-01 22:45:50,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:45:50,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:50,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:45:50,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:45:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:50,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:50,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-06-01 22:45:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:45:50,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:45:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 22:45:50,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:45:50,820 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:50,821 INFO L82 PathProgramCache]: Analyzing trace with hash -24388326, now seen corresponding path program 2 times [2021-06-01 22:45:50,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:50,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465729807] [2021-06-01 22:45:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:50,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:50,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465729807] [2021-06-01 22:45:50,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465729807] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:50,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:50,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:45:50,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978372737] [2021-06-01 22:45:50,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:45:50,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:50,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:45:50,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:45:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:50,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:50,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-01 22:45:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:45:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-01 22:45:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-01 22:45:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 22:45:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 22:45:51,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 22:45:51,812 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:51,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1805637580, now seen corresponding path program 1 times [2021-06-01 22:45:51,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:51,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033726299] [2021-06-01 22:45:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:51,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:51,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033726299] [2021-06-01 22:45:51,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033726299] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:51,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:51,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:45:51,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004334728] [2021-06-01 22:45:51,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:45:51,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:51,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:45:51,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:45:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:51,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:51,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-06-01 22:45:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-01 22:45:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-01 22:45:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 22:45:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 22:45:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 22:45:54,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:54,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 22:45:54,230 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:45:54,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:45:54,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1749655418, now seen corresponding path program 1 times [2021-06-01 22:45:54,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:45:54,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471498285] [2021-06-01 22:45:54,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:45:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:45:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:45:54,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:45:54,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471498285] [2021-06-01 22:45:54,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471498285] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:45:54,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:45:54,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:45:54,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968447982] [2021-06-01 22:45:54,304 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:45:54,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:45:54,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:45:54,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:45:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:54,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:45:54,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:54,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:45:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:45:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 22:45:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 22:45:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:45:56,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-01 22:45:56,510 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:45:56,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:45:56 BasicIcfg [2021-06-01 22:45:56,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:45:56,513 INFO L168 Benchmark]: Toolchain (without parser) took 9219.57 ms. Allocated memory was 341.8 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 303.8 MB in the beginning and 744.8 MB in the end (delta: -441.0 MB). Peak memory consumption was 602.7 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,513 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 322.1 MB in the beginning and 322.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:45:56,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.90 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 303.5 MB in the end (delta: 141.0 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,514 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 341.8 MB. Free memory was 301.4 MB in the beginning and 300.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,514 INFO L168 Benchmark]: RCFGBuilder took 388.85 ms. Allocated memory is still 341.8 MB. Free memory was 300.2 MB in the beginning and 275.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,515 INFO L168 Benchmark]: TraceAbstraction took 8331.11 ms. Allocated memory was 341.8 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 275.0 MB in the beginning and 744.8 MB in the end (delta: -469.7 MB). Peak memory consumption was 574.5 MB. Max. memory is 16.0 GB. [2021-06-01 22:45:56,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 322.1 MB in the beginning and 322.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 441.90 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 303.5 MB in the end (delta: 141.0 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.60 ms. Allocated memory is still 341.8 MB. Free memory was 301.4 MB in the beginning and 300.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 388.85 ms. Allocated memory is still 341.8 MB. Free memory was 300.2 MB in the beginning and 275.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8331.11 ms. Allocated memory was 341.8 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 275.0 MB in the beginning and 744.8 MB in the end (delta: -469.7 MB). Peak memory consumption was 574.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 345182, positive: 339407, positive conditional: 339407, positive unconditional: 0, negative: 5775, negative conditional: 5775, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 342962, positive: 339407, positive conditional: 339407, positive unconditional: 0, negative: 3555, negative conditional: 3555, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 342962, positive: 338430, positive conditional: 0, positive unconditional: 338430, negative: 4532, negative conditional: 0, negative unconditional: 4532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 922, positive: 903, positive conditional: 0, positive unconditional: 903, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 922, positive: 899, positive conditional: 0, positive unconditional: 899, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 342962, positive: 337527, positive conditional: 0, positive unconditional: 337527, negative: 4513, negative conditional: 0, negative unconditional: 4513, unknown: 922, unknown conditional: 0, unknown unconditional: 922] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771, SemanticConditionEliminator.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19384, positive: 977, positive conditional: 977, positive unconditional: 0, negative: 18407, negative conditional: 3636, negative unconditional: 14771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 30, positive conditional: 26, positive unconditional: 4, negative: 81, negative conditional: 62, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 59, positive conditional: 50, positive unconditional: 9, negative: 149, negative conditional: 91, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19384, positive: 951, positive conditional: 951, positive unconditional: 0, negative: 18345, negative conditional: 3574, negative unconditional: 14771, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 929, Positive conditional cache size: 26, Positive unconditional cache size: 903, Negative cache size: 81, Negative conditional cache size: 62, Negative unconditional cache size: 19, Eliminated conditions: 14771 ], Maximal queried relation: 6, Independence queries for same thread: 2220 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8227.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 7165.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.7ms SsaConstructionTime, 175.2ms SatisfiabilityAnalysisTime, 626.0ms InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 1324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...