/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:12:20,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:12:20,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:12:20,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 00:12:20,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:12:20,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:12:20,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:12:20,487 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-FA-NoLbe-Delay.epf [2021-07-14 00:12:20,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:12:20,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:12:20,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:12:20,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:12:20,522 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:12:20,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:12:20,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:12:20,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:12:20,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:12:20,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:12:20,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:12:20,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:12:20,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:12:20,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:12:20,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:12:20,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:12:20,526 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:12:20,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:12:20,526 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:12:20,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:12:20,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:12:20,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:12:20,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:12:20,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:12:20,893 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:12:20,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-07-14 00:12:20,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3ea9171/435c6ea0c4e54a42871d5f8f163aacdf/FLAGf2f7fe328 [2021-07-14 00:12:21,553 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:12:21,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-07-14 00:12:21,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3ea9171/435c6ea0c4e54a42871d5f8f163aacdf/FLAGf2f7fe328 [2021-07-14 00:12:21,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3ea9171/435c6ea0c4e54a42871d5f8f163aacdf [2021-07-14 00:12:21,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:12:21,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:12:21,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:12:21,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:12:21,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:12:21,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:21" (1/1) ... [2021-07-14 00:12:21,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351aac00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:21, skipping insertion in model container [2021-07-14 00:12:21,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:21" (1/1) ... [2021-07-14 00:12:21,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:12:22,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:12:22,176 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i[948,961] [2021-07-14 00:12:22,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:12:22,429 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:12:22,442 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i[948,961] [2021-07-14 00:12:22,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:12:22,558 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:12:22,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22 WrapperNode [2021-07-14 00:12:22,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:12:22,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:12:22,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:12:22,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:12:22,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:12:22,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:12:22,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:12:22,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:12:22,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (1/1) ... [2021-07-14 00:12:22,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:12:22,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:12:22,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:12:22,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:12:22,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (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 00:12:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:12:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 00:12:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:12:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:12:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 00:12:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 00:12:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 00:12:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 00:12:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 00:12:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 00:12:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-14 00:12:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-14 00:12:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:12:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 00:12:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:12:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:12:22,777 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 00:12:24,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:12:24,452 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-14 00:12:24,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:12:24 BoogieIcfgContainer [2021-07-14 00:12:24,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:12:24,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:12:24,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:12:24,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:12:24,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:12:21" (1/3) ... [2021-07-14 00:12:24,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eed069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:12:24, skipping insertion in model container [2021-07-14 00:12:24,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:22" (2/3) ... [2021-07-14 00:12:24,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eed069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:12:24, skipping insertion in model container [2021-07-14 00:12:24,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:12:24" (3/3) ... [2021-07-14 00:12:24,461 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_pso.opt.i [2021-07-14 00:12:24,467 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:12:24,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:12:24,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 00:12:24,468 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:12:24,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,518 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,520 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:24,523 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 00:12:24,542 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-14 00:12:24,557 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:12:24,557 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:12:24,557 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:12:24,557 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:12:24,558 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:12:24,558 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:12:24,558 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:12:24,558 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:12:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 72173 states, 63918 states have (on average 2.203573328326919) internal successors, (140848), 72172 states have internal predecessors, (140848), 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 00:12:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-14 00:12:30,016 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:30,017 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:30,017 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash -317353279, now seen corresponding path program 1 times [2021-07-14 00:12:30,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:30,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149979274] [2021-07-14 00:12:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:30,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:30,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:30,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:30,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:30,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:30,715 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-07-14 00:12:30,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:12:30,737 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:30,785 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 00:12:30,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:30,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149979274] [2021-07-14 00:12:30,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149979274] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:30,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:30,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-07-14 00:12:30,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053997901] [2021-07-14 00:12:30,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 00:12:30,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:30,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 00:12:30,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 00:12:30,926 INFO L87 Difference]: Start difference. First operand has 72173 states, 63918 states have (on average 2.203573328326919) internal successors, (140848), 72172 states have internal predecessors, (140848), 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) Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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 00:12:32,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:32,222 INFO L93 Difference]: Finished difference Result 81189 states and 162991 transitions. [2021-07-14 00:12:32,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 00:12:32,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) Word has length 80 [2021-07-14 00:12:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:32,702 INFO L225 Difference]: With dead ends: 81189 [2021-07-14 00:12:32,703 INFO L226 Difference]: Without dead ends: 39023 [2021-07-14 00:12:32,704 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 236.2ms TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:12:33,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39023 states. [2021-07-14 00:12:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39023 to 39023. [2021-07-14 00:12:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39023 states, 38623 states have (on average 2.2980089583926677) internal successors, (88756), 39022 states have internal predecessors, (88756), 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 00:12:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39023 states to 39023 states and 88756 transitions. [2021-07-14 00:12:34,523 INFO L78 Accepts]: Start accepts. Automaton has 39023 states and 88756 transitions. Word has length 80 [2021-07-14 00:12:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:34,524 INFO L482 AbstractCegarLoop]: Abstraction has 39023 states and 88756 transitions. [2021-07-14 00:12:34,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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 00:12:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 39023 states and 88756 transitions. [2021-07-14 00:12:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-07-14 00:12:34,563 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:34,563 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:34,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:12:34,564 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:34,565 INFO L82 PathProgramCache]: Analyzing trace with hash 394158658, now seen corresponding path program 1 times [2021-07-14 00:12:34,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:34,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937684024] [2021-07-14 00:12:34,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:34,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:34,982 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:34,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:35,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:35,029 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 00:12:35,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:35,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937684024] [2021-07-14 00:12:35,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937684024] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:35,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:35,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:35,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793774455] [2021-07-14 00:12:35,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:35,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:35,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:35,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:35,034 INFO L87 Difference]: Start difference. First operand 39023 states and 88756 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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 00:12:35,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:35,428 INFO L93 Difference]: Finished difference Result 40493 states and 96198 transitions. [2021-07-14 00:12:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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) Word has length 83 [2021-07-14 00:12:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:35,563 INFO L225 Difference]: With dead ends: 40493 [2021-07-14 00:12:35,564 INFO L226 Difference]: Without dead ends: 30448 [2021-07-14 00:12:35,564 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 111.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30448 states. [2021-07-14 00:12:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30448 to 30448. [2021-07-14 00:12:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30448 states, 30056 states have (on average 2.215431195102475) internal successors, (66587), 30447 states have internal predecessors, (66587), 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 00:12:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30448 states to 30448 states and 66587 transitions. [2021-07-14 00:12:36,759 INFO L78 Accepts]: Start accepts. Automaton has 30448 states and 66587 transitions. Word has length 83 [2021-07-14 00:12:36,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:36,760 INFO L482 AbstractCegarLoop]: Abstraction has 30448 states and 66587 transitions. [2021-07-14 00:12:36,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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 00:12:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30448 states and 66587 transitions. [2021-07-14 00:12:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-07-14 00:12:36,802 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:36,803 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:36,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:12:36,803 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:36,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:36,803 INFO L82 PathProgramCache]: Analyzing trace with hash -315049435, now seen corresponding path program 1 times [2021-07-14 00:12:36,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:36,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529570765] [2021-07-14 00:12:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:36,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:36,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:36,908 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:36,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:36,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:36,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:36,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:36,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:36,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:36,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:36,941 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 00:12:36,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:36,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529570765] [2021-07-14 00:12:36,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529570765] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:36,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:36,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:36,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275393721] [2021-07-14 00:12:36,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:36,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:36,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:36,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:36,944 INFO L87 Difference]: Start difference. First operand 30448 states and 66587 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 00:12:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:37,377 INFO L93 Difference]: Finished difference Result 32996 states and 75079 transitions. [2021-07-14 00:12:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:37,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) Word has length 86 [2021-07-14 00:12:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:37,480 INFO L225 Difference]: With dead ends: 32996 [2021-07-14 00:12:37,480 INFO L226 Difference]: Without dead ends: 28642 [2021-07-14 00:12:37,480 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 109.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:37,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28642 states. [2021-07-14 00:12:38,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28642 to 28642. [2021-07-14 00:12:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28642 states, 28292 states have (on average 2.235932419058391) internal successors, (63259), 28641 states have internal predecessors, (63259), 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 00:12:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28642 states to 28642 states and 63259 transitions. [2021-07-14 00:12:38,421 INFO L78 Accepts]: Start accepts. Automaton has 28642 states and 63259 transitions. Word has length 86 [2021-07-14 00:12:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:38,422 INFO L482 AbstractCegarLoop]: Abstraction has 28642 states and 63259 transitions. [2021-07-14 00:12:38,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 00:12:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 28642 states and 63259 transitions. [2021-07-14 00:12:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-14 00:12:38,457 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:38,458 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:38,458 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:12:38,458 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:38,459 INFO L82 PathProgramCache]: Analyzing trace with hash 527306021, now seen corresponding path program 1 times [2021-07-14 00:12:38,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:38,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000299627] [2021-07-14 00:12:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:38,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:38,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:38,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:38,858 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-07-14 00:12:38,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:12:38,883 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-14 00:12:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:12:38,912 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-14 00:12:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:12:38,944 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:38,993 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 00:12:38,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:38,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000299627] [2021-07-14 00:12:38,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000299627] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:38,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:38,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-07-14 00:12:38,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834329686] [2021-07-14 00:12:38,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 00:12:38,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:38,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 00:12:38,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-14 00:12:38,995 INFO L87 Difference]: Start difference. First operand 28642 states and 63259 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 00:12:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:39,356 INFO L93 Difference]: Finished difference Result 32952 states and 78106 transitions. [2021-07-14 00:12:39,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:39,357 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) Word has length 87 [2021-07-14 00:12:39,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:39,427 INFO L225 Difference]: With dead ends: 32952 [2021-07-14 00:12:39,427 INFO L226 Difference]: Without dead ends: 29032 [2021-07-14 00:12:39,427 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 185.9ms TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:12:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29032 states. [2021-07-14 00:12:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29032 to 28936. [2021-07-14 00:12:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28936 states, 28586 states have (on average 2.2292380885748266) internal successors, (63725), 28935 states have internal predecessors, (63725), 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 00:12:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28936 states to 28936 states and 63725 transitions. [2021-07-14 00:12:40,567 INFO L78 Accepts]: Start accepts. Automaton has 28936 states and 63725 transitions. Word has length 87 [2021-07-14 00:12:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:40,568 INFO L482 AbstractCegarLoop]: Abstraction has 28936 states and 63725 transitions. [2021-07-14 00:12:40,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 00:12:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 28936 states and 63725 transitions. [2021-07-14 00:12:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-14 00:12:40,596 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:40,596 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:40,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:12:40,597 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:40,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:40,597 INFO L82 PathProgramCache]: Analyzing trace with hash -493263839, now seen corresponding path program 2 times [2021-07-14 00:12:40,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:40,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773109576] [2021-07-14 00:12:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:40,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:40,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:40,712 INFO L142 QuantifierPusher]: treesize reduction 37, result has 38.3 percent of original size [2021-07-14 00:12:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:40,722 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.9 percent of original size [2021-07-14 00:12:40,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-14 00:12:40,757 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.0 percent of original size [2021-07-14 00:12:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:12:40,791 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:40,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:40,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:40,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:40,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:40,834 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 00:12:40,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:40,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773109576] [2021-07-14 00:12:40,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773109576] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:40,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:40,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 00:12:40,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390217601] [2021-07-14 00:12:40,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 00:12:40,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:40,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 00:12:40,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:12:40,836 INFO L87 Difference]: Start difference. First operand 28936 states and 63725 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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 00:12:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:41,578 INFO L93 Difference]: Finished difference Result 34032 states and 80143 transitions. [2021-07-14 00:12:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:41,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) Word has length 87 [2021-07-14 00:12:41,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:41,655 INFO L225 Difference]: With dead ends: 34032 [2021-07-14 00:12:41,656 INFO L226 Difference]: Without dead ends: 29720 [2021-07-14 00:12:41,656 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 367.9ms TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-07-14 00:12:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29720 states. [2021-07-14 00:12:42,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29720 to 28740. [2021-07-14 00:12:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28740 states, 28390 states have (on average 2.1860866502289538) internal successors, (62063), 28739 states have internal predecessors, (62063), 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 00:12:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 62063 transitions. [2021-07-14 00:12:42,514 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 62063 transitions. Word has length 87 [2021-07-14 00:12:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:42,514 INFO L482 AbstractCegarLoop]: Abstraction has 28740 states and 62063 transitions. [2021-07-14 00:12:42,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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 00:12:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 62063 transitions. [2021-07-14 00:12:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:42,540 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:42,540 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:42,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:12:42,540 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:42,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:42,541 INFO L82 PathProgramCache]: Analyzing trace with hash 729175974, now seen corresponding path program 1 times [2021-07-14 00:12:42,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:42,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600335168] [2021-07-14 00:12:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:42,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:42,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:42,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:42,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:42,660 INFO L142 QuantifierPusher]: treesize reduction 52, result has 54.0 percent of original size [2021-07-14 00:12:42,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-14 00:12:42,699 INFO L142 QuantifierPusher]: treesize reduction 52, result has 55.2 percent of original size [2021-07-14 00:12:42,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:12:42,739 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-14 00:12:42,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:12:42,764 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-14 00:12:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:12:42,788 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:42,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:42,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:42,839 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 00:12:42,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:42,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600335168] [2021-07-14 00:12:42,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600335168] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:42,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:42,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-14 00:12:42,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289501545] [2021-07-14 00:12:42,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 00:12:42,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:42,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 00:12:42,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:12:42,841 INFO L87 Difference]: Start difference. First operand 28740 states and 62063 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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 00:12:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:43,453 INFO L93 Difference]: Finished difference Result 38146 states and 84250 transitions. [2021-07-14 00:12:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:43,454 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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) Word has length 88 [2021-07-14 00:12:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:43,540 INFO L225 Difference]: With dead ends: 38146 [2021-07-14 00:12:43,540 INFO L226 Difference]: Without dead ends: 35010 [2021-07-14 00:12:43,540 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 275.3ms TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:12:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35010 states. [2021-07-14 00:12:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35010 to 29965. [2021-07-14 00:12:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29965 states, 29615 states have (on average 2.1593786932297823) internal successors, (63950), 29964 states have internal predecessors, (63950), 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 00:12:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29965 states to 29965 states and 63950 transitions. [2021-07-14 00:12:44,568 INFO L78 Accepts]: Start accepts. Automaton has 29965 states and 63950 transitions. Word has length 88 [2021-07-14 00:12:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:44,569 INFO L482 AbstractCegarLoop]: Abstraction has 29965 states and 63950 transitions. [2021-07-14 00:12:44,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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 00:12:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29965 states and 63950 transitions. [2021-07-14 00:12:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:44,599 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:44,599 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:44,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:12:44,599 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:44,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:44,600 INFO L82 PathProgramCache]: Analyzing trace with hash -301896990, now seen corresponding path program 2 times [2021-07-14 00:12:44,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:44,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237345265] [2021-07-14 00:12:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:44,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:44,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:44,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:44,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:12:44,906 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-07-14 00:12:44,907 INFO L142 QuantifierPusher]: treesize reduction 32, result has 66.0 percent of original size [2021-07-14 00:12:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-14 00:12:44,930 INFO L142 QuantifierPusher]: treesize reduction 32, result has 67.0 percent of original size [2021-07-14 00:12:44,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-14 00:12:44,980 INFO L142 QuantifierPusher]: treesize reduction 20, result has 83.5 percent of original size [2021-07-14 00:12:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-14 00:12:45,042 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-07-14 00:12:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-07-14 00:12:45,089 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:45,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:45,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:45,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:45,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:45,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:45,129 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 00:12:45,129 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:45,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237345265] [2021-07-14 00:12:45,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237345265] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:45,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:45,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-07-14 00:12:45,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410080996] [2021-07-14 00:12:45,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 00:12:45,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:45,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 00:12:45,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:45,131 INFO L87 Difference]: Start difference. First operand 29965 states and 63950 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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 00:12:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:45,684 INFO L93 Difference]: Finished difference Result 38930 states and 85458 transitions. [2021-07-14 00:12:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 00:12:45,685 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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) Word has length 88 [2021-07-14 00:12:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:45,766 INFO L225 Difference]: With dead ends: 38930 [2021-07-14 00:12:45,767 INFO L226 Difference]: Without dead ends: 35794 [2021-07-14 00:12:45,767 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 411.2ms TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:12:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35794 states. [2021-07-14 00:12:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35794 to 34061. [2021-07-14 00:12:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34061 states, 33711 states have (on average 2.129482958084898) internal successors, (71787), 34060 states have internal predecessors, (71787), 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 00:12:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34061 states to 34061 states and 71787 transitions. [2021-07-14 00:12:46,873 INFO L78 Accepts]: Start accepts. Automaton has 34061 states and 71787 transitions. Word has length 88 [2021-07-14 00:12:46,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:46,874 INFO L482 AbstractCegarLoop]: Abstraction has 34061 states and 71787 transitions. [2021-07-14 00:12:46,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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 00:12:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34061 states and 71787 transitions. [2021-07-14 00:12:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:46,913 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:46,913 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:46,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:12:46,913 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:46,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:46,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1874791578, now seen corresponding path program 3 times [2021-07-14 00:12:46,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:46,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422364788] [2021-07-14 00:12:46,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:47,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:47,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:47,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:47,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:47,022 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.9 percent of original size [2021-07-14 00:12:47,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:12:47,030 INFO L142 QuantifierPusher]: treesize reduction 37, result has 58.0 percent of original size [2021-07-14 00:12:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:12:47,061 INFO L142 QuantifierPusher]: treesize reduction 37, result has 59.8 percent of original size [2021-07-14 00:12:47,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:12:47,098 INFO L142 QuantifierPusher]: treesize reduction 37, result has 56.5 percent of original size [2021-07-14 00:12:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:12:47,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:47,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:47,182 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 00:12:47,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:47,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422364788] [2021-07-14 00:12:47,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422364788] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:47,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:47,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-07-14 00:12:47,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048825088] [2021-07-14 00:12:47,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 00:12:47,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:47,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 00:12:47,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:47,184 INFO L87 Difference]: Start difference. First operand 34061 states and 71787 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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 00:12:47,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:47,980 INFO L93 Difference]: Finished difference Result 46303 states and 107935 transitions. [2021-07-14 00:12:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 00:12:47,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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) Word has length 88 [2021-07-14 00:12:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:48,070 INFO L225 Difference]: With dead ends: 46303 [2021-07-14 00:12:48,070 INFO L226 Difference]: Without dead ends: 38169 [2021-07-14 00:12:48,070 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 431.4ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:12:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38169 states. [2021-07-14 00:12:48,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38169 to 33279. [2021-07-14 00:12:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33279 states, 32929 states have (on average 2.1160071669349207) internal successors, (69678), 33278 states have internal predecessors, (69678), 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 00:12:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33279 states to 33279 states and 69678 transitions. [2021-07-14 00:12:48,914 INFO L78 Accepts]: Start accepts. Automaton has 33279 states and 69678 transitions. Word has length 88 [2021-07-14 00:12:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:48,915 INFO L482 AbstractCegarLoop]: Abstraction has 33279 states and 69678 transitions. [2021-07-14 00:12:48,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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 00:12:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 33279 states and 69678 transitions. [2021-07-14 00:12:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:48,948 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:48,948 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:48,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:12:48,948 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:48,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:48,949 INFO L82 PathProgramCache]: Analyzing trace with hash 238994598, now seen corresponding path program 1 times [2021-07-14 00:12:48,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:48,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864636131] [2021-07-14 00:12:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:49,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:49,011 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:12:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:49,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:12:49,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:49,043 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 00:12:49,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:49,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864636131] [2021-07-14 00:12:49,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864636131] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:49,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:49,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:49,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48345846] [2021-07-14 00:12:49,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:49,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:49,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:49,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:49,045 INFO L87 Difference]: Start difference. First operand 33279 states and 69678 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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 00:12:49,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:49,660 INFO L93 Difference]: Finished difference Result 43711 states and 86707 transitions. [2021-07-14 00:12:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:49,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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) Word has length 88 [2021-07-14 00:12:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:49,738 INFO L225 Difference]: With dead ends: 43711 [2021-07-14 00:12:49,739 INFO L226 Difference]: Without dead ends: 29359 [2021-07-14 00:12:49,739 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 88.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:49,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29359 states. [2021-07-14 00:12:50,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29359 to 29359. [2021-07-14 00:12:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29359 states, 29009 states have (on average 2.1472301699472576) internal successors, (62289), 29358 states have internal predecessors, (62289), 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 00:12:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29359 states to 29359 states and 62289 transitions. [2021-07-14 00:12:50,492 INFO L78 Accepts]: Start accepts. Automaton has 29359 states and 62289 transitions. Word has length 88 [2021-07-14 00:12:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:50,492 INFO L482 AbstractCegarLoop]: Abstraction has 29359 states and 62289 transitions. [2021-07-14 00:12:50,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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 00:12:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29359 states and 62289 transitions. [2021-07-14 00:12:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-07-14 00:12:50,522 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:50,523 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:50,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:12:50,523 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:50,523 INFO L82 PathProgramCache]: Analyzing trace with hash 886682348, now seen corresponding path program 1 times [2021-07-14 00:12:50,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:50,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898754502] [2021-07-14 00:12:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:50,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:50,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:12:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:12:50,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:12:50,682 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-07-14 00:12:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:12:50,710 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:50,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:50,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:50,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:50,754 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 00:12:50,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:50,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898754502] [2021-07-14 00:12:50,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898754502] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:50,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:50,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-14 00:12:50,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20277281] [2021-07-14 00:12:50,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 00:12:50,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:50,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 00:12:50,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:12:50,756 INFO L87 Difference]: Start difference. First operand 29359 states and 62289 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 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 00:12:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:51,167 INFO L93 Difference]: Finished difference Result 31212 states and 66868 transitions. [2021-07-14 00:12:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 00:12:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 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) Word has length 89 [2021-07-14 00:12:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:51,408 INFO L225 Difference]: With dead ends: 31212 [2021-07-14 00:12:51,408 INFO L226 Difference]: Without dead ends: 28332 [2021-07-14 00:12:51,409 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 271.4ms TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2021-07-14 00:12:51,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28332 states. [2021-07-14 00:12:51,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28332 to 22510. [2021-07-14 00:12:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22510 states, 22160 states have (on average 2.034702166064982) internal successors, (45089), 22509 states have internal predecessors, (45089), 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 00:12:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22510 states to 22510 states and 45089 transitions. [2021-07-14 00:12:51,848 INFO L78 Accepts]: Start accepts. Automaton has 22510 states and 45089 transitions. Word has length 89 [2021-07-14 00:12:51,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:51,848 INFO L482 AbstractCegarLoop]: Abstraction has 22510 states and 45089 transitions. [2021-07-14 00:12:51,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 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 00:12:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22510 states and 45089 transitions. [2021-07-14 00:12:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-07-14 00:12:51,870 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:51,870 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:51,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:12:51,870 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash -161361136, now seen corresponding path program 1 times [2021-07-14 00:12:51,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:51,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080881251] [2021-07-14 00:12:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:52,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:52,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:52,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:52,079 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:12:52,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:52,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:52,103 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:12:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:52,113 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 00:12:52,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:52,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080881251] [2021-07-14 00:12:52,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080881251] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:52,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:52,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 00:12:52,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117706566] [2021-07-14 00:12:52,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 00:12:52,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:52,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 00:12:52,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 00:12:52,116 INFO L87 Difference]: Start difference. First operand 22510 states and 45089 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 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 00:12:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:52,327 INFO L93 Difference]: Finished difference Result 24002 states and 45885 transitions. [2021-07-14 00:12:52,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 00:12:52,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 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) Word has length 89 [2021-07-14 00:12:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:52,353 INFO L225 Difference]: With dead ends: 24002 [2021-07-14 00:12:52,354 INFO L226 Difference]: Without dead ends: 13948 [2021-07-14 00:12:52,354 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 101.5ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:12:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13948 states. [2021-07-14 00:12:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13948 to 13948. [2021-07-14 00:12:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13948 states, 13654 states have (on average 2.0920609345246812) internal successors, (28565), 13947 states have internal predecessors, (28565), 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 00:12:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13948 states to 13948 states and 28565 transitions. [2021-07-14 00:12:52,647 INFO L78 Accepts]: Start accepts. Automaton has 13948 states and 28565 transitions. Word has length 89 [2021-07-14 00:12:52,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:52,647 INFO L482 AbstractCegarLoop]: Abstraction has 13948 states and 28565 transitions. [2021-07-14 00:12:52,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 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 00:12:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 13948 states and 28565 transitions. [2021-07-14 00:12:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-07-14 00:12:52,663 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:52,663 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:52,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:12:52,664 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:52,664 INFO L82 PathProgramCache]: Analyzing trace with hash -2142796241, now seen corresponding path program 1 times [2021-07-14 00:12:52,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:52,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671246088] [2021-07-14 00:12:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:52,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:52,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:52,721 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:52,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:52,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:52,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:52,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:52,752 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 00:12:52,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:52,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671246088] [2021-07-14 00:12:52,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671246088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:52,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:52,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:52,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290594168] [2021-07-14 00:12:52,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:52,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:52,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:52,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:52,754 INFO L87 Difference]: Start difference. First operand 13948 states and 28565 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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 00:12:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:53,046 INFO L93 Difference]: Finished difference Result 23125 states and 49542 transitions. [2021-07-14 00:12:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:53,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) Word has length 91 [2021-07-14 00:12:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:53,084 INFO L225 Difference]: With dead ends: 23125 [2021-07-14 00:12:53,085 INFO L226 Difference]: Without dead ends: 13660 [2021-07-14 00:12:53,085 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 191.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2021-07-14 00:12:53,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 12484. [2021-07-14 00:12:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12484 states, 12238 states have (on average 2.089475404477856) internal successors, (25571), 12483 states have internal predecessors, (25571), 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 00:12:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12484 states to 12484 states and 25571 transitions. [2021-07-14 00:12:53,320 INFO L78 Accepts]: Start accepts. Automaton has 12484 states and 25571 transitions. Word has length 91 [2021-07-14 00:12:53,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:53,321 INFO L482 AbstractCegarLoop]: Abstraction has 12484 states and 25571 transitions. [2021-07-14 00:12:53,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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 00:12:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 12484 states and 25571 transitions. [2021-07-14 00:12:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-07-14 00:12:53,333 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:53,333 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:53,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:12:53,333 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:53,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash -899627287, now seen corresponding path program 1 times [2021-07-14 00:12:53,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:53,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402947468] [2021-07-14 00:12:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:53,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,404 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:12:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:53,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:53,427 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:12:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:53,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,437 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 00:12:53,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:53,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402947468] [2021-07-14 00:12:53,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402947468] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:53,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:53,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 00:12:53,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993531571] [2021-07-14 00:12:53,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 00:12:53,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:53,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 00:12:53,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:12:53,439 INFO L87 Difference]: Start difference. First operand 12484 states and 25571 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 00:12:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:53,631 INFO L93 Difference]: Finished difference Result 10438 states and 20081 transitions. [2021-07-14 00:12:53,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:53,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) Word has length 92 [2021-07-14 00:12:53,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:53,642 INFO L225 Difference]: With dead ends: 10438 [2021-07-14 00:12:53,642 INFO L226 Difference]: Without dead ends: 5219 [2021-07-14 00:12:53,643 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 108.2ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:12:53,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2021-07-14 00:12:53,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5219. [2021-07-14 00:12:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5093 states have (on average 2.043392892204987) internal successors, (10407), 5218 states have internal predecessors, (10407), 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 00:12:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 10407 transitions. [2021-07-14 00:12:53,760 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 10407 transitions. Word has length 92 [2021-07-14 00:12:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:53,760 INFO L482 AbstractCegarLoop]: Abstraction has 5219 states and 10407 transitions. [2021-07-14 00:12:53,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 00:12:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10407 transitions. [2021-07-14 00:12:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-07-14 00:12:53,766 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:53,766 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:53,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:12:53,766 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:53,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:53,767 INFO L82 PathProgramCache]: Analyzing trace with hash 425086589, now seen corresponding path program 1 times [2021-07-14 00:12:53,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:53,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395456659] [2021-07-14 00:12:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:12:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:53,870 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:12:53,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:53,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,881 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 00:12:53,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:53,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395456659] [2021-07-14 00:12:53,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395456659] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:53,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:53,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:12:53,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202897008] [2021-07-14 00:12:53,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:12:53,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:53,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:12:53,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:12:53,882 INFO L87 Difference]: Start difference. First operand 5219 states and 10407 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 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 00:12:54,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:54,068 INFO L93 Difference]: Finished difference Result 3797 states and 6799 transitions. [2021-07-14 00:12:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 00:12:54,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 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) Word has length 96 [2021-07-14 00:12:54,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:54,072 INFO L225 Difference]: With dead ends: 3797 [2021-07-14 00:12:54,072 INFO L226 Difference]: Without dead ends: 1641 [2021-07-14 00:12:54,073 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 134.4ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-07-14 00:12:54,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2021-07-14 00:12:54,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2021-07-14 00:12:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1614 states have (on average 1.7224287484510532) internal successors, (2780), 1640 states have internal predecessors, (2780), 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 00:12:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2780 transitions. [2021-07-14 00:12:54,095 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2780 transitions. Word has length 96 [2021-07-14 00:12:54,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:54,095 INFO L482 AbstractCegarLoop]: Abstraction has 1641 states and 2780 transitions. [2021-07-14 00:12:54,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 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 00:12:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2780 transitions. [2021-07-14 00:12:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:12:54,097 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:54,097 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:54,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:12:54,097 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:54,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:54,098 INFO L82 PathProgramCache]: Analyzing trace with hash -313907013, now seen corresponding path program 1 times [2021-07-14 00:12:54,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:54,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498111728] [2021-07-14 00:12:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:54,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:54,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:54,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:54,173 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:54,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:54,206 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 00:12:54,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:54,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498111728] [2021-07-14 00:12:54,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498111728] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:54,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:54,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 00:12:54,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712463654] [2021-07-14 00:12:54,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 00:12:54,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 00:12:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 00:12:54,207 INFO L87 Difference]: Start difference. First operand 1641 states and 2780 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 00:12:54,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:54,288 INFO L93 Difference]: Finished difference Result 2133 states and 4006 transitions. [2021-07-14 00:12:54,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 00:12:54,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) Word has length 100 [2021-07-14 00:12:54,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:54,291 INFO L225 Difference]: With dead ends: 2133 [2021-07-14 00:12:54,291 INFO L226 Difference]: Without dead ends: 856 [2021-07-14 00:12:54,292 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.8ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:54,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2021-07-14 00:12:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2021-07-14 00:12:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 829 states have (on average 2.106151990349819) internal successors, (1746), 855 states have internal predecessors, (1746), 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 00:12:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1746 transitions. [2021-07-14 00:12:54,305 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1746 transitions. Word has length 100 [2021-07-14 00:12:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:54,305 INFO L482 AbstractCegarLoop]: Abstraction has 856 states and 1746 transitions. [2021-07-14 00:12:54,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 00:12:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1746 transitions. [2021-07-14 00:12:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:12:54,306 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:54,306 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:12:54,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:12:54,307 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:54,307 INFO L82 PathProgramCache]: Analyzing trace with hash 331922997, now seen corresponding path program 2 times [2021-07-14 00:12:54,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:54,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085108163] [2021-07-14 00:12:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:12:54,345 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:12:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:12:54,393 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:12:54,460 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 00:12:54,462 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 00:12:54,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:12:54,463 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-07-14 00:12:54,465 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:12:54,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:12:54 BasicIcfg [2021-07-14 00:12:54,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:12:54,614 INFO L168 Benchmark]: Toolchain (without parser) took 32663.17 ms. Allocated memory was 184.5 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 146.3 MB in the beginning and 5.1 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.89 ms. Allocated memory is still 184.5 MB. Free memory was 146.1 MB in the beginning and 153.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.13 ms. Allocated memory is still 184.5 MB. Free memory was 153.9 MB in the beginning and 150.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: Boogie Preprocessor took 58.16 ms. Allocated memory is still 184.5 MB. Free memory was 150.8 MB in the beginning and 148.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: RCFGBuilder took 1751.43 ms. Allocated memory was 184.5 MB in the beginning and 222.3 MB in the end (delta: 37.7 MB). Free memory was 148.7 MB in the beginning and 166.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,614 INFO L168 Benchmark]: TraceAbstraction took 30158.01 ms. Allocated memory was 222.3 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 165.9 MB in the beginning and 5.1 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-07-14 00:12:54,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 595.89 ms. Allocated memory is still 184.5 MB. Free memory was 146.1 MB in the beginning and 153.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 82.13 ms. Allocated memory is still 184.5 MB. Free memory was 153.9 MB in the beginning and 150.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 58.16 ms. Allocated memory is still 184.5 MB. Free memory was 150.8 MB in the beginning and 148.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1751.43 ms. Allocated memory was 184.5 MB in the beginning and 222.3 MB in the end (delta: 37.7 MB). Free memory was 148.7 MB in the beginning and 166.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30158.01 ms. Allocated memory was 222.3 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 165.9 MB in the beginning and 5.1 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 373919, positive: 355684, positive conditional: 355684, positive unconditional: 0, negative: 18235, negative conditional: 18235, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 366953, positive: 355684, positive conditional: 0, positive unconditional: 355684, negative: 11269, negative conditional: 0, negative unconditional: 11269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1356, positive: 1318, positive conditional: 0, positive unconditional: 1318, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1356, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 521, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 508, negative conditional: 0, negative unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 366953, positive: 354366, positive conditional: 0, positive unconditional: 354366, negative: 11231, negative conditional: 0, negative unconditional: 11231, unknown: 1356, unknown conditional: 0, unknown unconditional: 1356] , Statistics on independence cache: Total cache size (in pairs): 1356, Positive cache size: 1318, Positive conditional cache size: 0, Positive unconditional cache size: 1318, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38, Independence queries for same thread: 6966 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L718] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L720] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1229; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1229, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1230; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1230, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1231; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1231, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1232; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] FCALL, FORK 0 pthread_create(&t1232, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29907.5ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 713.4ms, AutomataDifference: 8858.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5101.9ms, PartialOrderReductionTime: 5088.4ms, HoareTripleCheckerStatistics: 2466 SDtfs, 3718 SDslu, 10091 SDs, 0 SdLazy, 1129 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1173.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 3106.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72173occurred in iteration=0, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10786.3ms AutomataMinimizationTime, 15 MinimizatonAttempts, 19742 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 73.3ms SsaConstructionTime, 1138.8ms SatisfiabilityAnalysisTime, 2888.9ms InterpolantComputationTime, 1432 NumberOfCodeBlocks, 1432 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...