/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-ext/17_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 02:38:40,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 02:38:40,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 02:38:40,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 02:38:40,342 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 02:38:40,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 02:38:40,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 02:38:40,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 02:38:40,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 02:38:40,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 02:38:40,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 02:38:40,372 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 02:38:40,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 02:38:40,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 02:38:40,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 02:38:40,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 02:38:40,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 02:38:40,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:38:40,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 02:38:40,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 02:38:40,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 02:38:40,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 02:38:40,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 02:38:40,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 02:38:40,390 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 02:38:40,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 02:38:40,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 02:38:40,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 02:38:40,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 02:38:40,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 02:38:40,641 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 02:38:40,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i [2021-07-14 02:38:40,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e49c533/8984011765254ef1b5fb4fb0f74f432a/FLAGabb7d765b [2021-07-14 02:38:41,143 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 02:38:41,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/17_szymanski.i [2021-07-14 02:38:41,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e49c533/8984011765254ef1b5fb4fb0f74f432a/FLAGabb7d765b [2021-07-14 02:38:41,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e49c533/8984011765254ef1b5fb4fb0f74f432a [2021-07-14 02:38:41,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 02:38:41,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 02:38:41,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 02:38:41,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 02:38:41,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 02:38:41,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f45b4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41, skipping insertion in model container [2021-07-14 02:38:41,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 02:38:41,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 02:38:41,487 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-ext/17_szymanski.i[30132,30145] [2021-07-14 02:38:41,492 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-ext/17_szymanski.i[30481,30494] [2021-07-14 02:38:41,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:38:41,500 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 02:38:41,529 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-ext/17_szymanski.i[30132,30145] [2021-07-14 02:38:41,537 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-ext/17_szymanski.i[30481,30494] [2021-07-14 02:38:41,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:38:41,562 INFO L208 MainTranslator]: Completed translation [2021-07-14 02:38:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41 WrapperNode [2021-07-14 02:38:41,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 02:38:41,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 02:38:41,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 02:38:41,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 02:38:41,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 02:38:41,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 02:38:41,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 02:38:41,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 02:38:41,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (1/1) ... [2021-07-14 02:38:41,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 02:38:41,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 02:38:41,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 02:38:41,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 02:38:41,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (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 02:38:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-14 02:38:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-14 02:38:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 02:38:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 02:38:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 02:38:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 02:38:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 02:38:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 02:38:41,676 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 02:38:41,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 02:38:41,951 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-14 02:38:41,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:38:41 BoogieIcfgContainer [2021-07-14 02:38:41,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 02:38:41,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 02:38:41,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 02:38:41,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 02:38:41,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:38:41" (1/3) ... [2021-07-14 02:38:41,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5d4aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:38:41, skipping insertion in model container [2021-07-14 02:38:41,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:38:41" (2/3) ... [2021-07-14 02:38:41,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5d4aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:38:41, skipping insertion in model container [2021-07-14 02:38:41,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:38:41" (3/3) ... [2021-07-14 02:38:41,958 INFO L111 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i [2021-07-14 02:38:41,961 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 02:38:41,962 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 02:38:41,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 02:38:41,962 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 02:38:41,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:38:41,983 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 02:38:41,997 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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) [2021-07-14 02:38:42,037 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 02:38:42,037 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 02:38:42,037 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 02:38:42,037 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 02:38:42,037 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 02:38:42,037 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 02:38:42,037 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 02:38:42,037 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 02:38:42,076 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1223681955, now seen corresponding path program 1 times [2021-07-14 02:38:42,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031356923] [2021-07-14 02:38:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:42,241 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 02:38:42,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:42,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031356923] [2021-07-14 02:38:42,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031356923] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:42,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:42,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 02:38:42,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103207827] [2021-07-14 02:38:42,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 02:38:42,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:42,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 02:38:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 02:38:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:42,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 02:38:42,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,270 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 02:38:42,270 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1055827392, now seen corresponding path program 1 times [2021-07-14 02:38:42,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565956314] [2021-07-14 02:38:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:42,353 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 02:38:42,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:42,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565956314] [2021-07-14 02:38:42,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565956314] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:42,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:42,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:42,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846404291] [2021-07-14 02:38:42,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:42,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:42,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:42,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:42,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:42,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 02:38:42,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 02:38:42,367 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1251932606, now seen corresponding path program 1 times [2021-07-14 02:38:42,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067672009] [2021-07-14 02:38:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:42,391 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 02:38:42,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:42,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067672009] [2021-07-14 02:38:42,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067672009] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:42,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:42,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:42,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323600127] [2021-07-14 02:38:42,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:42,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:42,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:42,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:42,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 02:38:42,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 02:38:42,521 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,522 INFO L82 PathProgramCache]: Analyzing trace with hash -448088169, now seen corresponding path program 1 times [2021-07-14 02:38:42,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492845587] [2021-07-14 02:38:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 02:38:42,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:42,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492845587] [2021-07-14 02:38:42,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492845587] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:42,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:42,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:42,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952384188] [2021-07-14 02:38:42,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:42,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:42,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:42,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:42,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:38:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 02:38:42,776 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,777 INFO L82 PathProgramCache]: Analyzing trace with hash 147714852, now seen corresponding path program 1 times [2021-07-14 02:38:42,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096254110] [2021-07-14 02:38:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-07-14 02:38:42,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:42,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096254110] [2021-07-14 02:38:42,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096254110] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:42,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:42,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:42,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836330691] [2021-07-14 02:38:42,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:42,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:42,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:42,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:42,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 02:38:42,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:42,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 02:38:42,976 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:42,978 INFO L82 PathProgramCache]: Analyzing trace with hash 892586965, now seen corresponding path program 1 times [2021-07-14 02:38:42,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:42,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099204879] [2021-07-14 02:38:42,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-14 02:38:43,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099204879] [2021-07-14 02:38:43,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099204879] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227956312] [2021-07-14 02:38:43,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 02:38:43,081 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,081 INFO L82 PathProgramCache]: Analyzing trace with hash -795500022, now seen corresponding path program 1 times [2021-07-14 02:38:43,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020804617] [2021-07-14 02:38:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-07-14 02:38:43,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020804617] [2021-07-14 02:38:43,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020804617] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892832259] [2021-07-14 02:38:43,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 02:38:43,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 02:38:43,206 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-07-14 02:38:43,208 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 02:38:43,224 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 02:38:43,224 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 02:38:43,224 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 02:38:43,224 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 02:38:43,224 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 02:38:43,224 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 02:38:43,224 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 02:38:43,224 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 02:38:43,227 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1638107756, now seen corresponding path program 1 times [2021-07-14 02:38:43,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873315887] [2021-07-14 02:38:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 02:38:43,237 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 02:38:43,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873315887] [2021-07-14 02:38:43,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873315887] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 02:38:43,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717555818] [2021-07-14 02:38:43,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 02:38:43,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 02:38:43,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 02:38:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 02:38:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 02:38:43,239 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1470253193, now seen corresponding path program 1 times [2021-07-14 02:38:43,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216872681] [2021-07-14 02:38:43,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,261 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 02:38:43,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216872681] [2021-07-14 02:38:43,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216872681] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514611548] [2021-07-14 02:38:43,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 02:38:43,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 02:38:43,269 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,269 INFO L82 PathProgramCache]: Analyzing trace with hash 692974268, now seen corresponding path program 1 times [2021-07-14 02:38:43,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133337595] [2021-07-14 02:38:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,291 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 02:38:43,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133337595] [2021-07-14 02:38:43,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133337595] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837823166] [2021-07-14 02:38:43,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 02:38:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 02:38:43,486 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1595201944, now seen corresponding path program 1 times [2021-07-14 02:38:43,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523353291] [2021-07-14 02:38:43,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2021-07-14 02:38:43,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523353291] [2021-07-14 02:38:43,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523353291] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863245130] [2021-07-14 02:38:43,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 02:38:43,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 02:38:43,584 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash 202127466, now seen corresponding path program 1 times [2021-07-14 02:38:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792002394] [2021-07-14 02:38:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-07-14 02:38:43,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792002394] [2021-07-14 02:38:43,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792002394] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297864961] [2021-07-14 02:38:43,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:38:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 02:38:43,652 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1124294200, now seen corresponding path program 1 times [2021-07-14 02:38:43,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567820997] [2021-07-14 02:38:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-07-14 02:38:43,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567820997] [2021-07-14 02:38:43,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567820997] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723972024] [2021-07-14 02:38:43,672 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,673 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 02:38:43,724 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,724 INFO L82 PathProgramCache]: Analyzing trace with hash -467645162, now seen corresponding path program 1 times [2021-07-14 02:38:43,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231442671] [2021-07-14 02:38:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-14 02:38:43,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231442671] [2021-07-14 02:38:43,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231442671] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054158970] [2021-07-14 02:38:43,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 02:38:43,819 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:38:43,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:38:43,819 INFO L82 PathProgramCache]: Analyzing trace with hash 925071392, now seen corresponding path program 1 times [2021-07-14 02:38:43,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:38:43,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674187357] [2021-07-14 02:38:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:38:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:38:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 02:38:43,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:38:43,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674187357] [2021-07-14 02:38:43,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674187357] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:38:43,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:38:43,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 02:38:43,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926130431] [2021-07-14 02:38:43,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 02:38:43,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:38:43,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 02:38:43,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 02:38:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:38:43,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 02:38:43,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 02:38:43,898 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-14 02:38:43,898 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 02:38:43,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:38:43 BasicIcfg [2021-07-14 02:38:43,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 02:38:43,903 INFO L168 Benchmark]: Toolchain (without parser) took 2728.86 ms. Allocated memory was 170.9 MB in the beginning and 226.5 MB in the end (delta: 55.6 MB). Free memory was 133.9 MB in the beginning and 155.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,903 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 170.9 MB. Free memory was 152.1 MB in the beginning and 151.9 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 02:38:43,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.87 ms. Allocated memory is still 170.9 MB. Free memory was 133.7 MB in the beginning and 144.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 170.9 MB. Free memory was 144.7 MB in the beginning and 142.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,905 INFO L168 Benchmark]: Boogie Preprocessor took 30.05 ms. Allocated memory is still 170.9 MB. Free memory was 142.9 MB in the beginning and 141.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,905 INFO L168 Benchmark]: RCFGBuilder took 322.68 ms. Allocated memory is still 170.9 MB. Free memory was 141.2 MB in the beginning and 119.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,905 INFO L168 Benchmark]: TraceAbstraction took 1946.34 ms. Allocated memory was 170.9 MB in the beginning and 226.5 MB in the end (delta: 55.6 MB). Free memory was 118.5 MB in the beginning and 155.3 MB in the end (delta: -36.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 8.0 GB. [2021-07-14 02:38:43,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 170.9 MB. Free memory was 152.1 MB in the beginning and 151.9 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 387.87 ms. Allocated memory is still 170.9 MB. Free memory was 133.7 MB in the beginning and 144.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 170.9 MB. Free memory was 144.7 MB in the beginning and 142.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.05 ms. Allocated memory is still 170.9 MB. Free memory was 142.9 MB in the beginning and 141.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 322.68 ms. Allocated memory is still 170.9 MB. Free memory was 141.2 MB in the beginning and 119.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1946.34 ms. Allocated memory was 170.9 MB in the beginning and 226.5 MB in the end (delta: 55.6 MB). Free memory was 118.5 MB in the beginning and 155.3 MB in the end (delta: -36.8 MB). Peak memory consumption was 18.8 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: 13696, positive: 8139, positive conditional: 8139, positive unconditional: 0, negative: 5557, negative conditional: 5557, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8767, positive: 8139, positive conditional: 8139, positive unconditional: 0, negative: 628, negative conditional: 628, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8767, positive: 8014, positive conditional: 0, positive unconditional: 8014, negative: 753, negative conditional: 0, negative unconditional: 753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 772, positive: 719, positive conditional: 0, positive unconditional: 719, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 772, positive: 667, positive conditional: 0, positive unconditional: 667, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8767, positive: 7295, positive conditional: 0, positive unconditional: 7295, negative: 700, negative conditional: 0, negative unconditional: 700, unknown: 772, unknown conditional: 0, unknown unconditional: 772] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657, SemanticConditionEliminator.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3900, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 3775, negative conditional: 118, negative unconditional: 3657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 70, positive conditional: 18, positive unconditional: 52, negative: 70, negative conditional: 17, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 90, positive conditional: 15, positive unconditional: 75, negative: 79, negative conditional: 21, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3900, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 3758, negative conditional: 101, negative unconditional: 3657, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 737, Positive conditional cache size: 18, Positive unconditional cache size: 719, Negative cache size: 70, Negative conditional cache size: 17, Negative unconditional cache size: 53, Eliminated conditions: 3657 ], Maximal queried relation: 7, Independence queries for same thread: 4929 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20058, positive: 11932, positive conditional: 11932, positive unconditional: 0, negative: 8126, negative conditional: 8126, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12769, positive: 11932, positive conditional: 11932, positive unconditional: 0, negative: 837, negative conditional: 837, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12769, positive: 11713, positive conditional: 0, positive unconditional: 11713, negative: 1056, negative conditional: 0, negative unconditional: 1056, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 812, positive: 759, positive conditional: 0, positive unconditional: 759, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 812, positive: 707, positive conditional: 0, positive unconditional: 707, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12769, positive: 10954, positive conditional: 0, positive unconditional: 10954, negative: 1003, negative conditional: 0, negative unconditional: 1003, unknown: 812, unknown conditional: 0, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915, SemanticConditionEliminator.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5358, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 5139, negative conditional: 224, negative unconditional: 4915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 74, positive conditional: 22, positive unconditional: 52, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 108, negative conditional: 12, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5358, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 5116, negative conditional: 201, negative unconditional: 4915, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 857, Positive cache size: 781, Positive conditional cache size: 22, Positive unconditional cache size: 759, Negative cache size: 76, Negative conditional cache size: 23, Negative unconditional cache size: 53, Eliminated conditions: 4915 ], Maximal queried relation: 8, Independence queries for same thread: 7289 - PositiveResult [Line: 698]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 716]: 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: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 89 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1199.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 611.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 35.3ms SsaConstructionTime, 88.0ms SatisfiabilityAnalysisTime, 251.6ms InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 481/481 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 89 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 689.7ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 470.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 7.9ms SsaConstructionTime, 25.2ms SatisfiabilityAnalysisTime, 123.2ms InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 1656/1656 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...