/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 02:54:26,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 02:54:26,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 02:54:26,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 02:54:26,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 02:54:26,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 02:54:26,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 02:54:26,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 02:54:26,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 02:54:26,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 02:54:26,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 02:54:26,549 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 02:54:26,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 02:54:26,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 02:54:26,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 02:54:26,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:54:26,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 02:54:26,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 02:54:26,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 02:54:26,553 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 02:54:26,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 02:54:26,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 02:54:26,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 02:54:26,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 02:54:26,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 02:54:26,842 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 02:54:26,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2021-07-14 02:54:26,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91797ea8/2d5e6ec7ea324387b76ab970659a1c76/FLAG06c256714 [2021-07-14 02:54:27,328 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 02:54:27,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2021-07-14 02:54:27,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91797ea8/2d5e6ec7ea324387b76ab970659a1c76/FLAG06c256714 [2021-07-14 02:54:27,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91797ea8/2d5e6ec7ea324387b76ab970659a1c76 [2021-07-14 02:54:27,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 02:54:27,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 02:54:27,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 02:54:27,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 02:54:27,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 02:54:27,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53541432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27, skipping insertion in model container [2021-07-14 02:54:27,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 02:54:27,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 02:54:27,545 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/safe009_tso.opt.i[949,962] [2021-07-14 02:54:27,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:54:27,679 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 02:54:27,687 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/safe009_tso.opt.i[949,962] [2021-07-14 02:54:27,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:54:27,750 INFO L208 MainTranslator]: Completed translation [2021-07-14 02:54:27,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27 WrapperNode [2021-07-14 02:54:27,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 02:54:27,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 02:54:27,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 02:54:27,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 02:54:27,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 02:54:27,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 02:54:27,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 02:54:27,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 02:54:27,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... [2021-07-14 02:54:27,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 02:54:27,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 02:54:27,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 02:54:27,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 02:54:27,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:54:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 02:54:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 02:54:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 02:54:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 02:54:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 02:54:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 02:54:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 02:54:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 02:54:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 02:54:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 02:54:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 02:54:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 02:54:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 02:54:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 02:54:27,922 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 02:54:28,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 02:54:28,234 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 02:54:28,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:28 BoogieIcfgContainer [2021-07-14 02:54:28,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 02:54:28,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 02:54:28,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 02:54:28,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 02:54:28,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:54:27" (1/3) ... [2021-07-14 02:54:28,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b1840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:28, skipping insertion in model container [2021-07-14 02:54:28,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:27" (2/3) ... [2021-07-14 02:54:28,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b1840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:28, skipping insertion in model container [2021-07-14 02:54:28,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:28" (3/3) ... [2021-07-14 02:54:28,242 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_tso.opt.i [2021-07-14 02:54:28,246 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 02:54:28,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 02:54:28,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 02:54:28,246 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 02:54:28,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,277 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,277 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,277 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,287 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,287 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,292 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,293 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,294 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:54:28,300 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 02:54:28,316 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 02:54:28,363 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 02:54:28,363 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 02:54:28,363 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 02:54:28,363 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 02:54:28,363 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 02:54:28,363 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 02:54:28,364 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 02:54:28,364 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 02:54:28,416 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:28,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:28,421 INFO L82 PathProgramCache]: Analyzing trace with hash -167861873, now seen corresponding path program 1 times [2021-07-14 02:54:28,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:28,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114276357] [2021-07-14 02:54:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:28,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:28,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114276357] [2021-07-14 02:54:28,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114276357] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:28,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:28,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 02:54:28,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654313591] [2021-07-14 02:54:28,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 02:54:28,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:28,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 02:54:28,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 02:54:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:28,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:28,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:28,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 02:54:28,788 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:28,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:28,788 INFO L82 PathProgramCache]: Analyzing trace with hash -710190392, now seen corresponding path program 1 times [2021-07-14 02:54:28,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:28,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343648411] [2021-07-14 02:54:28,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:28,965 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:28,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343648411] [2021-07-14 02:54:28,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343648411] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:28,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:28,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:28,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747069229] [2021-07-14 02:54:28,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:28,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:28,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:28,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:28,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:28,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:28,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 02:54:29,290 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:29,291 INFO L82 PathProgramCache]: Analyzing trace with hash 478040524, now seen corresponding path program 1 times [2021-07-14 02:54:29,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:29,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574764702] [2021-07-14 02:54:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:29,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:29,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574764702] [2021-07-14 02:54:29,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574764702] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:29,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:29,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:29,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982977128] [2021-07-14 02:54:29,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:29,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:29,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:29,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,377 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:29,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 02:54:29,712 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:29,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:29,713 INFO L82 PathProgramCache]: Analyzing trace with hash 915498255, now seen corresponding path program 1 times [2021-07-14 02:54:29,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:29,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784478979] [2021-07-14 02:54:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:29,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:29,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784478979] [2021-07-14 02:54:29,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784478979] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:29,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:29,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:54:29,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370275476] [2021-07-14 02:54:29,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:54:29,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:29,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:54:29,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:54:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,852 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:29,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:29,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:29,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:29,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:30,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 02:54:30,211 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:30,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2054578470, now seen corresponding path program 1 times [2021-07-14 02:54:30,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:30,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627642245] [2021-07-14 02:54:30,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:30,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:30,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627642245] [2021-07-14 02:54:30,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627642245] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:30,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:30,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:54:30,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698639181] [2021-07-14 02:54:30,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:54:30,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:30,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:54:30,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:54:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:30,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 02:54:30,643 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:30,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:30,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1787876759, now seen corresponding path program 2 times [2021-07-14 02:54:30,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:30,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747444940] [2021-07-14 02:54:30,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:30,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:30,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747444940] [2021-07-14 02:54:30,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747444940] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:30,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:30,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:54:30,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447842615] [2021-07-14 02:54:30,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:54:30,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:30,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:54:30,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:54:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:30,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:30,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:30,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:30,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:30,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:31,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 02:54:31,130 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:31,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1162998523, now seen corresponding path program 1 times [2021-07-14 02:54:31,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:31,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563164643] [2021-07-14 02:54:31,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:31,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:31,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563164643] [2021-07-14 02:54:31,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563164643] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:31,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:31,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:54:31,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241781309] [2021-07-14 02:54:31,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:54:31,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:31,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:54:31,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:54:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:31,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 02:54:31,675 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:31,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:31,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1580443597, now seen corresponding path program 1 times [2021-07-14 02:54:31,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:31,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572413081] [2021-07-14 02:54:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:31,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:31,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572413081] [2021-07-14 02:54:31,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572413081] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:31,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:31,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 02:54:31,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142850846] [2021-07-14 02:54:31,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 02:54:31,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:31,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 02:54:31,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 02:54:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:31,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 02:54:32,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 02:54:32,791 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:54:32,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:54:32,792 INFO L82 PathProgramCache]: Analyzing trace with hash 528227827, now seen corresponding path program 1 times [2021-07-14 02:54:32,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:54:32,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293197080] [2021-07-14 02:54:32,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:54:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:54:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:54:32,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:54:32,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293197080] [2021-07-14 02:54:32,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293197080] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:54:32,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:54:32,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:54:32,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401418799] [2021-07-14 02:54:32,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:54:32,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:54:32,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:54:32,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:54:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:32,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:54:32,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 02:54:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 02:54:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 02:54:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 02:54:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 02:54:33,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 02:54:33,730 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 02:54:33,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:54:33 BasicIcfg [2021-07-14 02:54:33,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 02:54:33,740 INFO L168 Benchmark]: Toolchain (without parser) took 6370.11 ms. Allocated memory was 202.4 MB in the beginning and 941.6 MB in the end (delta: 739.2 MB). Free memory was 166.9 MB in the beginning and 738.5 MB in the end (delta: -571.6 MB). Peak memory consumption was 312.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,741 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 202.4 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 02:54:33,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.95 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 176.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 202.4 MB. Free memory was 176.2 MB in the beginning and 174.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,742 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,743 INFO L168 Benchmark]: RCFGBuilder took 406.30 ms. Allocated memory is still 202.4 MB. Free memory was 173.1 MB in the beginning and 150.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,743 INFO L168 Benchmark]: TraceAbstraction took 5502.03 ms. Allocated memory was 202.4 MB in the beginning and 941.6 MB in the end (delta: 739.2 MB). Free memory was 149.5 MB in the beginning and 738.5 MB in the end (delta: -589.0 MB). Peak memory consumption was 294.4 MB. Max. memory is 8.0 GB. [2021-07-14 02:54:33,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 202.4 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 365.95 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 176.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 202.4 MB. Free memory was 176.2 MB in the beginning and 174.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.60 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 406.30 ms. Allocated memory is still 202.4 MB. Free memory was 173.1 MB in the beginning and 150.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5502.03 ms. Allocated memory was 202.4 MB in the beginning and 941.6 MB in the end (delta: 739.2 MB). Free memory was 149.5 MB in the beginning and 738.5 MB in the end (delta: -589.0 MB). Peak memory consumption was 294.4 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: 130215, positive: 128661, positive conditional: 128661, positive unconditional: 0, negative: 1554, negative conditional: 1554, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 129935, positive: 128661, positive conditional: 128661, positive unconditional: 0, negative: 1274, negative conditional: 1274, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 129935, positive: 128051, positive conditional: 0, positive unconditional: 128051, negative: 1884, negative conditional: 0, negative unconditional: 1884, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 592, positive: 575, positive conditional: 0, positive unconditional: 575, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 592, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 129935, positive: 127476, positive conditional: 0, positive unconditional: 127476, negative: 1867, negative conditional: 0, negative unconditional: 1867, unknown: 592, unknown conditional: 0, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515, SemanticConditionEliminator.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11876, positive: 610, positive conditional: 610, positive unconditional: 0, negative: 11266, negative conditional: 1751, negative unconditional: 9515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 82, negative conditional: 65, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 80, positive conditional: 40, positive unconditional: 40, negative: 154, negative conditional: 129, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11876, positive: 587, positive conditional: 587, positive unconditional: 0, negative: 11201, negative conditional: 1686, negative unconditional: 9515, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 598, Positive conditional cache size: 23, Positive unconditional cache size: 575, Negative cache size: 82, Negative conditional cache size: 65, Negative unconditional cache size: 17, Eliminated conditions: 9515 ], Maximal queried relation: 9, Independence queries for same thread: 280 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5390.0ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 4272.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 124, 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: 28.7ms SsaConstructionTime, 206.8ms SatisfiabilityAnalysisTime, 648.5ms InterpolantComputationTime, 505 NumberOfCodeBlocks, 505 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 1559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...