/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/mix047_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:12:29,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:12:29,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:12:29,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 00:12:29,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 00:12:29,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 00:12:29,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 00:12:29,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 00:12:29,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 00:12:29,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 00:12:29,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 00:12:29,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 00:12:29,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 00:12:29,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 00:12:29,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 00:12:29,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 00:12:29,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 00:12:29,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:12:29,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:12:29,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:12:29,418 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 00:12:29,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:12:29,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:12:29,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:12:29,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:12:29,463 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:12:29,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:12:29,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:12:29,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:12:29,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:12:29,465 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:12:29,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:12:29,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:12:29,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:12:29,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:12:29,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:12:29,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:12:29,466 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:12:29,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:12:29,467 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:12:29,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:12:29,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:12:29,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:12:29,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:12:29,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:12:29,830 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:12:29,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-07-14 00:12:29,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6edcf586/cfab44b920cf4f0abd051987fdaf8d5d/FLAGa3245b913 [2021-07-14 00:12:30,493 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:12:30,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-07-14 00:12:30,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6edcf586/cfab44b920cf4f0abd051987fdaf8d5d/FLAGa3245b913 [2021-07-14 00:12:30,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6edcf586/cfab44b920cf4f0abd051987fdaf8d5d [2021-07-14 00:12:30,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:12:30,903 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:12:30,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:12:30,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:12:30,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:12:30,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:30" (1/1) ... [2021-07-14 00:12:30,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2d205f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:30, skipping insertion in model container [2021-07-14 00:12:30,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:12:30" (1/1) ... [2021-07-14 00:12:30,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:12:30,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:12:31,167 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/mix047_power.opt.i[950,963] [2021-07-14 00:12:31,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:12:31,430 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:12:31,440 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/mix047_power.opt.i[950,963] [2021-07-14 00:12:31,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:12:31,543 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:12:31,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31 WrapperNode [2021-07-14 00:12:31,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:12:31,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:12:31,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:12:31,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:12:31,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:12:31,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:12:31,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:12:31,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:12:31,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (1/1) ... [2021-07-14 00:12:31,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:12:31,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:12:31,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:12:31,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:12:31,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (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 00:12:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:12:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 00:12:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:12:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:12:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 00:12:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 00:12:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 00:12:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 00:12:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 00:12:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 00:12:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-14 00:12:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-14 00:12:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:12:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 00:12:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:12:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:12:31,780 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 00:12:33,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:12:33,319 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-14 00:12:33,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:12:33 BoogieIcfgContainer [2021-07-14 00:12:33,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:12:33,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:12:33,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:12:33,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:12:33,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:12:30" (1/3) ... [2021-07-14 00:12:33,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72735a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:12:33, skipping insertion in model container [2021-07-14 00:12:33,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:12:31" (2/3) ... [2021-07-14 00:12:33,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72735a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:12:33, skipping insertion in model container [2021-07-14 00:12:33,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:12:33" (3/3) ... [2021-07-14 00:12:33,328 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_power.opt.i [2021-07-14 00:12:33,334 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:12:33,334 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:12:33,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 00:12:33,335 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:12:33,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,382 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,382 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,384 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,384 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,388 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,389 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,389 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,389 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,398 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,399 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,406 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,408 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,414 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,415 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:12:33,418 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 00:12:33,441 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-14 00:12:33,466 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:12:33,466 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:12:33,466 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:12:33,466 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:12:33,466 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:12:33,483 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:12:33,483 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:12:33,483 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:12:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 72172 states, 63921 states have (on average 2.221101046604402) internal successors, (141975), 72171 states have internal predecessors, (141975), 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 00:12:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-07-14 00:12:40,028 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:40,029 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] [2021-07-14 00:12:40,029 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:40,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:40,036 INFO L82 PathProgramCache]: Analyzing trace with hash -988087535, now seen corresponding path program 1 times [2021-07-14 00:12:40,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:40,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294085776] [2021-07-14 00:12:40,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:40,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:40,563 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:40,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:40,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:40,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:40,611 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 00:12:40,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:40,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294085776] [2021-07-14 00:12:40,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294085776] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:40,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:40,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:40,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187918832] [2021-07-14 00:12:40,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:40,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:40,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:40,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:40,749 INFO L87 Difference]: Start difference. First operand has 72172 states, 63921 states have (on average 2.221101046604402) internal successors, (141975), 72171 states have internal predecessors, (141975), 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 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 00:12:41,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:41,936 INFO L93 Difference]: Finished difference Result 86252 states and 178970 transitions. [2021-07-14 00:12:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:41,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 79 [2021-07-14 00:12:41,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:42,248 INFO L225 Difference]: With dead ends: 86252 [2021-07-14 00:12:42,248 INFO L226 Difference]: Without dead ends: 41286 [2021-07-14 00:12:42,250 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 109.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:42,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41286 states. [2021-07-14 00:12:44,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41286 to 41286. [2021-07-14 00:12:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41286 states, 40934 states have (on average 2.414691943127962) internal successors, (98843), 41285 states have internal predecessors, (98843), 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 00:12:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41286 states to 41286 states and 98843 transitions. [2021-07-14 00:12:44,629 INFO L78 Accepts]: Start accepts. Automaton has 41286 states and 98843 transitions. Word has length 79 [2021-07-14 00:12:44,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:44,631 INFO L482 AbstractCegarLoop]: Abstraction has 41286 states and 98843 transitions. [2021-07-14 00:12:44,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 00:12:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 41286 states and 98843 transitions. [2021-07-14 00:12:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-14 00:12:44,662 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:44,663 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] [2021-07-14 00:12:44,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:12:44,663 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:44,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:44,666 INFO L82 PathProgramCache]: Analyzing trace with hash -951240174, now seen corresponding path program 1 times [2021-07-14 00:12:44,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:44,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187026434] [2021-07-14 00:12:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:44,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:44,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:44,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:44,900 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 00:12:44,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:44,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187026434] [2021-07-14 00:12:44,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187026434] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:44,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:44,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:44,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232538300] [2021-07-14 00:12:44,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:44,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:44,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:44,905 INFO L87 Difference]: Start difference. First operand 41286 states and 98843 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 00:12:45,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:45,790 INFO L93 Difference]: Finished difference Result 51990 states and 131631 transitions. [2021-07-14 00:12:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:45,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2021-07-14 00:12:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:45,958 INFO L225 Difference]: With dead ends: 51990 [2021-07-14 00:12:45,958 INFO L226 Difference]: Without dead ends: 38636 [2021-07-14 00:12:45,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 95.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:46,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38636 states. [2021-07-14 00:12:47,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38636 to 38636. [2021-07-14 00:12:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38636 states, 38315 states have (on average 2.412084040193136) internal successors, (92419), 38635 states have internal predecessors, (92419), 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 00:12:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38636 states to 38636 states and 92419 transitions. [2021-07-14 00:12:47,646 INFO L78 Accepts]: Start accepts. Automaton has 38636 states and 92419 transitions. Word has length 81 [2021-07-14 00:12:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:47,646 INFO L482 AbstractCegarLoop]: Abstraction has 38636 states and 92419 transitions. [2021-07-14 00:12:47,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 00:12:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 38636 states and 92419 transitions. [2021-07-14 00:12:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-14 00:12:47,678 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:47,678 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] [2021-07-14 00:12:47,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:12:47,678 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:47,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:47,679 INFO L82 PathProgramCache]: Analyzing trace with hash -513314096, now seen corresponding path program 1 times [2021-07-14 00:12:47,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:47,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325234683] [2021-07-14 00:12:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:47,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:47,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:47,779 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:47,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:47,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:47,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:47,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:47,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:47,817 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 00:12:47,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:47,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325234683] [2021-07-14 00:12:47,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325234683] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:47,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:47,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:47,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087969597] [2021-07-14 00:12:47,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:47,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:47,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:47,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:47,819 INFO L87 Difference]: Start difference. First operand 38636 states and 92419 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 00:12:48,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:48,463 INFO L93 Difference]: Finished difference Result 40520 states and 102255 transitions. [2021-07-14 00:12:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:48,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2021-07-14 00:12:48,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:48,622 INFO L225 Difference]: With dead ends: 40520 [2021-07-14 00:12:48,623 INFO L226 Difference]: Without dead ends: 27943 [2021-07-14 00:12:48,623 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 99.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27943 states. [2021-07-14 00:12:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27943 to 27943. [2021-07-14 00:12:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27943 states, 27629 states have (on average 2.320532773535054) internal successors, (64114), 27942 states have internal predecessors, (64114), 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 00:12:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27943 states to 27943 states and 64114 transitions. [2021-07-14 00:12:49,674 INFO L78 Accepts]: Start accepts. Automaton has 27943 states and 64114 transitions. Word has length 82 [2021-07-14 00:12:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:49,674 INFO L482 AbstractCegarLoop]: Abstraction has 27943 states and 64114 transitions. [2021-07-14 00:12:49,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 00:12:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 27943 states and 64114 transitions. [2021-07-14 00:12:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-07-14 00:12:49,712 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:49,712 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 00:12:49,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:12:49,713 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:49,713 INFO L82 PathProgramCache]: Analyzing trace with hash -305713193, now seen corresponding path program 1 times [2021-07-14 00:12:49,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:49,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448774886] [2021-07-14 00:12:49,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:49,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:49,776 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:49,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:49,810 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 00:12:49,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:49,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448774886] [2021-07-14 00:12:49,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448774886] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:49,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:49,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:49,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035240423] [2021-07-14 00:12:49,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:49,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:49,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:49,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:49,813 INFO L87 Difference]: Start difference. First operand 27943 states and 64114 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 00:12:50,111 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-07-14 00:12:50,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:50,375 INFO L93 Difference]: Finished difference Result 46535 states and 116013 transitions. [2021-07-14 00:12:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:12:50,375 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 00:12:50,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:50,511 INFO L225 Difference]: With dead ends: 46535 [2021-07-14 00:12:50,511 INFO L226 Difference]: Without dead ends: 28531 [2021-07-14 00:12:50,511 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 322.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:12:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28531 states. [2021-07-14 00:12:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28531 to 24163. [2021-07-14 00:12:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24163 states, 23905 states have (on average 2.316544655929722) internal successors, (55377), 24162 states have internal predecessors, (55377), 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 00:12:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24163 states to 24163 states and 55377 transitions. [2021-07-14 00:12:51,490 INFO L78 Accepts]: Start accepts. Automaton has 24163 states and 55377 transitions. Word has length 86 [2021-07-14 00:12:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:51,490 INFO L482 AbstractCegarLoop]: Abstraction has 24163 states and 55377 transitions. [2021-07-14 00:12:51,490 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 00:12:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 24163 states and 55377 transitions. [2021-07-14 00:12:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-14 00:12:51,520 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:51,521 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 00:12:51,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:12:51,521 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:51,522 INFO L82 PathProgramCache]: Analyzing trace with hash -903930386, now seen corresponding path program 1 times [2021-07-14 00:12:51,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:51,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754029114] [2021-07-14 00:12:51,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:51,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:51,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:51,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:51,631 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-14 00:12:51,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:12:51,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:51,691 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 00:12:51,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:51,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754029114] [2021-07-14 00:12:51,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754029114] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:51,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:51,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:12:51,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601224777] [2021-07-14 00:12:51,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:12:51,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:51,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:12:51,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:12:51,693 INFO L87 Difference]: Start difference. First operand 24163 states and 55377 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 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 00:12:52,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:52,289 INFO L93 Difference]: Finished difference Result 27775 states and 68509 transitions. [2021-07-14 00:12:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:52,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 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 00:12:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:52,382 INFO L225 Difference]: With dead ends: 27775 [2021-07-14 00:12:52,383 INFO L226 Difference]: Without dead ends: 23647 [2021-07-14 00:12:52,383 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 151.5ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-07-14 00:12:52,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23647 states. [2021-07-14 00:12:53,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23647 to 23647. [2021-07-14 00:12:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23647 states, 23389 states have (on average 2.2704262687588184) internal successors, (53103), 23646 states have internal predecessors, (53103), 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 00:12:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23647 states to 23647 states and 53103 transitions. [2021-07-14 00:12:53,165 INFO L78 Accepts]: Start accepts. Automaton has 23647 states and 53103 transitions. Word has length 87 [2021-07-14 00:12:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:53,165 INFO L482 AbstractCegarLoop]: Abstraction has 23647 states and 53103 transitions. [2021-07-14 00:12:53,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 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 00:12:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 23647 states and 53103 transitions. [2021-07-14 00:12:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:53,195 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:53,195 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 00:12:53,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:12:53,196 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:53,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:53,196 INFO L82 PathProgramCache]: Analyzing trace with hash -966099438, now seen corresponding path program 1 times [2021-07-14 00:12:53,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:53,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162276311] [2021-07-14 00:12:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:53,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:53,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:53,351 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-07-14 00:12:53,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:12:53,385 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:53,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:53,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:53,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:53,431 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 00:12:53,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:53,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162276311] [2021-07-14 00:12:53,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162276311] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:53,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:53,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:12:53,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472517549] [2021-07-14 00:12:53,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:12:53,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:53,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:12:53,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:12:53,433 INFO L87 Difference]: Start difference. First operand 23647 states and 53103 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:53,826 INFO L93 Difference]: Finished difference Result 28857 states and 70327 transitions. [2021-07-14 00:12:53,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:53,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:54,115 INFO L225 Difference]: With dead ends: 28857 [2021-07-14 00:12:54,116 INFO L226 Difference]: Without dead ends: 25417 [2021-07-14 00:12:54,116 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 155.4ms TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:12:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25417 states. [2021-07-14 00:12:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25417 to 24005. [2021-07-14 00:12:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24005 states, 23747 states have (on average 2.2685812944793025) internal successors, (53872), 24004 states have internal predecessors, (53872), 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 00:12:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24005 states to 24005 states and 53872 transitions. [2021-07-14 00:12:54,932 INFO L78 Accepts]: Start accepts. Automaton has 24005 states and 53872 transitions. Word has length 88 [2021-07-14 00:12:54,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:54,932 INFO L482 AbstractCegarLoop]: Abstraction has 24005 states and 53872 transitions. [2021-07-14 00:12:54,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:54,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24005 states and 53872 transitions. [2021-07-14 00:12:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:54,958 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:54,958 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 00:12:54,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:12:54,958 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:54,959 INFO L82 PathProgramCache]: Analyzing trace with hash -145088554, now seen corresponding path program 2 times [2021-07-14 00:12:54,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:54,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921418864] [2021-07-14 00:12:54,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:55,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:55,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:55,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:55,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:12:55,078 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-07-14 00:12:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:12:55,109 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-07-14 00:12:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:12:55,138 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:55,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:55,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:55,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:55,184 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 00:12:55,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:55,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921418864] [2021-07-14 00:12:55,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921418864] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:55,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:55,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-14 00:12:55,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732468377] [2021-07-14 00:12:55,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 00:12:55,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:55,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 00:12:55,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-14 00:12:55,186 INFO L87 Difference]: Start difference. First operand 24005 states and 53872 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 00:12:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:55,614 INFO L93 Difference]: Finished difference Result 27653 states and 66971 transitions. [2021-07-14 00:12:55,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 00:12:55,615 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 00:12:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:55,698 INFO L225 Difference]: With dead ends: 27653 [2021-07-14 00:12:55,698 INFO L226 Difference]: Without dead ends: 24213 [2021-07-14 00:12:55,699 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 267.7ms TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:12:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24213 states. [2021-07-14 00:12:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24213 to 23911. [2021-07-14 00:12:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23911 states, 23653 states have (on average 2.2716357333107853) internal successors, (53731), 23910 states have internal predecessors, (53731), 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 00:12:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23911 states to 23911 states and 53731 transitions. [2021-07-14 00:12:56,416 INFO L78 Accepts]: Start accepts. Automaton has 23911 states and 53731 transitions. Word has length 88 [2021-07-14 00:12:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:56,416 INFO L482 AbstractCegarLoop]: Abstraction has 23911 states and 53731 transitions. [2021-07-14 00:12:56,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 00:12:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 23911 states and 53731 transitions. [2021-07-14 00:12:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-14 00:12:56,450 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:56,450 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 00:12:56,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:12:56,451 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:56,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:56,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1212866140, now seen corresponding path program 3 times [2021-07-14 00:12:56,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:56,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081456570] [2021-07-14 00:12:56,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:56,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:56,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:56,529 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:12:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:12:56,550 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-07-14 00:12:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:12:56,576 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:56,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:56,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:56,802 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-07-14 00:12:56,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:56,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:56,804 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 00:12:56,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:56,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081456570] [2021-07-14 00:12:56,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081456570] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:56,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:56,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:12:56,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9242498] [2021-07-14 00:12:56,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:12:56,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:56,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:12:56,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:12:56,806 INFO L87 Difference]: Start difference. First operand 23911 states and 53731 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:57,180 INFO L93 Difference]: Finished difference Result 28383 states and 68703 transitions. [2021-07-14 00:12:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:12:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:57,269 INFO L225 Difference]: With dead ends: 28383 [2021-07-14 00:12:57,269 INFO L226 Difference]: Without dead ends: 24599 [2021-07-14 00:12:57,269 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 399.5ms TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-07-14 00:12:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24599 states. [2021-07-14 00:12:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24599 to 23733. [2021-07-14 00:12:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23733 states, 23475 states have (on average 2.216272630457934) internal successors, (52027), 23732 states have internal predecessors, (52027), 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 00:12:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23733 states to 23733 states and 52027 transitions. [2021-07-14 00:12:57,932 INFO L78 Accepts]: Start accepts. Automaton has 23733 states and 52027 transitions. Word has length 88 [2021-07-14 00:12:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:57,933 INFO L482 AbstractCegarLoop]: Abstraction has 23733 states and 52027 transitions. [2021-07-14 00:12:57,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 00:12:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 23733 states and 52027 transitions. [2021-07-14 00:12:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-07-14 00:12:57,967 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:57,968 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 00:12:57,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:12:57,968 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1530709965, now seen corresponding path program 1 times [2021-07-14 00:12:57,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:57,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904058099] [2021-07-14 00:12:57,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:58,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:12:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:12:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:12:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:12:58,118 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.1 percent of original size [2021-07-14 00:12:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-14 00:12:58,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:12:58,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:12:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:58,214 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 00:12:58,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:58,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904058099] [2021-07-14 00:12:58,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904058099] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:58,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:58,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-14 00:12:58,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832529457] [2021-07-14 00:12:58,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 00:12:58,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:58,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 00:12:58,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:12:58,216 INFO L87 Difference]: Start difference. First operand 23733 states and 52027 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 00:12:58,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:58,773 INFO L93 Difference]: Finished difference Result 27905 states and 65660 transitions. [2021-07-14 00:12:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 00:12:58,774 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 00:12:58,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:12:58,860 INFO L225 Difference]: With dead ends: 27905 [2021-07-14 00:12:58,861 INFO L226 Difference]: Without dead ends: 25153 [2021-07-14 00:12:58,861 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 283.6ms TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2021-07-14 00:12:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25153 states. [2021-07-14 00:12:59,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25153 to 25072. [2021-07-14 00:12:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25072 states, 24814 states have (on average 2.2235028612879826) internal successors, (55174), 25071 states have internal predecessors, (55174), 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 00:12:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25072 states to 25072 states and 55174 transitions. [2021-07-14 00:12:59,604 INFO L78 Accepts]: Start accepts. Automaton has 25072 states and 55174 transitions. Word has length 89 [2021-07-14 00:12:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:12:59,605 INFO L482 AbstractCegarLoop]: Abstraction has 25072 states and 55174 transitions. [2021-07-14 00:12:59,605 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 00:12:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 25072 states and 55174 transitions. [2021-07-14 00:12:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-07-14 00:12:59,645 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:12:59,645 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 00:12:59,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:12:59,646 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:12:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:12:59,646 INFO L82 PathProgramCache]: Analyzing trace with hash 325869995, now seen corresponding path program 1 times [2021-07-14 00:12:59,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:12:59,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949061823] [2021-07-14 00:12:59,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:12:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:12:59,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:59,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:12:59,707 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:12:59,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:12:59,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:59,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:12:59,733 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:12:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:12:59,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:12:59,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:12:59,743 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 00:12:59,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:12:59,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949061823] [2021-07-14 00:12:59,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949061823] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:12:59,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:12:59,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:12:59,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191132423] [2021-07-14 00:12:59,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:12:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:12:59,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:12:59,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:12:59,745 INFO L87 Difference]: Start difference. First operand 25072 states and 55174 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 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 00:12:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:12:59,993 INFO L93 Difference]: Finished difference Result 32515 states and 67282 transitions. [2021-07-14 00:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:13:00,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 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 00:13:00,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:00,063 INFO L225 Difference]: With dead ends: 32515 [2021-07-14 00:13:00,064 INFO L226 Difference]: Without dead ends: 21947 [2021-07-14 00:13:00,064 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 87.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:13:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21947 states. [2021-07-14 00:13:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21947 to 21947. [2021-07-14 00:13:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21947 states, 21689 states have (on average 2.2371709161326017) internal successors, (48522), 21946 states have internal predecessors, (48522), 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 00:13:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21947 states to 21947 states and 48522 transitions. [2021-07-14 00:13:00,711 INFO L78 Accepts]: Start accepts. Automaton has 21947 states and 48522 transitions. Word has length 89 [2021-07-14 00:13:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:00,711 INFO L482 AbstractCegarLoop]: Abstraction has 21947 states and 48522 transitions. [2021-07-14 00:13:00,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 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 00:13:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 21947 states and 48522 transitions. [2021-07-14 00:13:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-07-14 00:13:00,738 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:00,739 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] [2021-07-14 00:13:00,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:13:00,739 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:00,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:00,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1610328163, now seen corresponding path program 1 times [2021-07-14 00:13:00,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:00,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350205361] [2021-07-14 00:13:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:13:00,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:00,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:00,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:00,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:00,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:00,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:00,805 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:13:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:13:00,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:00,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:13:00,828 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:13:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:00,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:00,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:00,837 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 00:13:00,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:13:00,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350205361] [2021-07-14 00:13:00,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350205361] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:13:00,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:13:00,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 00:13:00,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126808835] [2021-07-14 00:13:00,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 00:13:00,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:13:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 00:13:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 00:13:00,839 INFO L87 Difference]: Start difference. First operand 21947 states and 48522 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 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 00:13:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:13:01,050 INFO L93 Difference]: Finished difference Result 22684 states and 46564 transitions. [2021-07-14 00:13:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 00:13:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 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 90 [2021-07-14 00:13:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:01,080 INFO L225 Difference]: With dead ends: 22684 [2021-07-14 00:13:01,081 INFO L226 Difference]: Without dead ends: 13552 [2021-07-14 00:13:01,081 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 92.5ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:13:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13552 states. [2021-07-14 00:13:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13552 to 13542. [2021-07-14 00:13:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13542 states, 13314 states have (on average 2.2431275349256423) internal successors, (29865), 13541 states have internal predecessors, (29865), 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 00:13:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13542 states to 13542 states and 29865 transitions. [2021-07-14 00:13:01,489 INFO L78 Accepts]: Start accepts. Automaton has 13542 states and 29865 transitions. Word has length 90 [2021-07-14 00:13:01,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:01,489 INFO L482 AbstractCegarLoop]: Abstraction has 13542 states and 29865 transitions. [2021-07-14 00:13:01,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 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 00:13:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 13542 states and 29865 transitions. [2021-07-14 00:13:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-07-14 00:13:01,505 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:01,505 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 00:13:01,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:13:01,505 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:01,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:01,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1476997416, now seen corresponding path program 1 times [2021-07-14 00:13:01,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:01,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591227270] [2021-07-14 00:13:01,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:13:01,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:01,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:01,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:01,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:01,561 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:13:01,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:13:01,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:01,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:01,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:01,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:01,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:01,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:01,593 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 00:13:01,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:13:01,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591227270] [2021-07-14 00:13:01,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591227270] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:13:01,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:13:01,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:13:01,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343470181] [2021-07-14 00:13:01,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:13:01,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:13:01,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:13:01,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:13:01,595 INFO L87 Difference]: Start difference. First operand 13542 states and 29865 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 00:13:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:13:01,802 INFO L93 Difference]: Finished difference Result 22363 states and 51657 transitions. [2021-07-14 00:13:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:13:01,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 00:13:01,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:01,842 INFO L225 Difference]: With dead ends: 22363 [2021-07-14 00:13:01,842 INFO L226 Difference]: Without dead ends: 12988 [2021-07-14 00:13:01,842 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 86.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:13:01,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12988 states. [2021-07-14 00:13:02,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12988 to 12004. [2021-07-14 00:13:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12004 states, 11818 states have (on average 2.2484345913014048) internal successors, (26572), 12003 states have internal predecessors, (26572), 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 00:13:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12004 states to 12004 states and 26572 transitions. [2021-07-14 00:13:02,417 INFO L78 Accepts]: Start accepts. Automaton has 12004 states and 26572 transitions. Word has length 92 [2021-07-14 00:13:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:02,418 INFO L482 AbstractCegarLoop]: Abstraction has 12004 states and 26572 transitions. [2021-07-14 00:13:02,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 00:13:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12004 states and 26572 transitions. [2021-07-14 00:13:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-07-14 00:13:02,433 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:02,433 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 00:13:02,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:13:02,433 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:02,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2047336866, now seen corresponding path program 1 times [2021-07-14 00:13:02,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:02,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861242696] [2021-07-14 00:13:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:13:02,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:02,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,502 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:13:02,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:13:02,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:13:02,529 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:13:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:02,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:02,540 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 00:13:02,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:13:02,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861242696] [2021-07-14 00:13:02,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861242696] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:13:02,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:13:02,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 00:13:02,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228031183] [2021-07-14 00:13:02,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 00:13:02,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:13:02,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 00:13:02,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:13:02,542 INFO L87 Difference]: Start difference. First operand 12004 states and 26572 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 00:13:02,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:13:02,724 INFO L93 Difference]: Finished difference Result 10031 states and 20682 transitions. [2021-07-14 00:13:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:13:02,724 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 00:13:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:02,737 INFO L225 Difference]: With dead ends: 10031 [2021-07-14 00:13:02,737 INFO L226 Difference]: Without dead ends: 5071 [2021-07-14 00:13:02,738 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 112.7ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:13:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2021-07-14 00:13:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 5053. [2021-07-14 00:13:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5053 states, 4945 states have (on average 2.219009100101112) internal successors, (10973), 5052 states have internal predecessors, (10973), 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 00:13:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5053 states to 5053 states and 10973 transitions. [2021-07-14 00:13:02,835 INFO L78 Accepts]: Start accepts. Automaton has 5053 states and 10973 transitions. Word has length 92 [2021-07-14 00:13:02,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:02,835 INFO L482 AbstractCegarLoop]: Abstraction has 5053 states and 10973 transitions. [2021-07-14 00:13:02,835 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 00:13:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5053 states and 10973 transitions. [2021-07-14 00:13:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-07-14 00:13:02,841 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:02,841 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] [2021-07-14 00:13:02,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:13:02,842 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:02,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:02,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1088859161, now seen corresponding path program 1 times [2021-07-14 00:13:02,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:02,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026686252] [2021-07-14 00:13:02,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:13:02,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:02,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:02,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-14 00:13:02,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:13:02,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:13:02,960 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-14 00:13:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:02,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:02,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:02,974 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 00:13:02,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:13:02,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026686252] [2021-07-14 00:13:02,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026686252] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:13:02,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:13:02,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 00:13:02,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291024942] [2021-07-14 00:13:02,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 00:13:02,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:13:02,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 00:13:02,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 00:13:02,975 INFO L87 Difference]: Start difference. First operand 5053 states and 10973 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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 00:13:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:13:03,156 INFO L93 Difference]: Finished difference Result 3585 states and 6849 transitions. [2021-07-14 00:13:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 00:13:03,156 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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 95 [2021-07-14 00:13:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:03,159 INFO L225 Difference]: With dead ends: 3585 [2021-07-14 00:13:03,159 INFO L226 Difference]: Without dead ends: 1372 [2021-07-14 00:13:03,160 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 133.5ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-07-14 00:13:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2021-07-14 00:13:03,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1291. [2021-07-14 00:13:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1264 states have (on average 1.8528481012658229) internal successors, (2342), 1290 states have internal predecessors, (2342), 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 00:13:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 2342 transitions. [2021-07-14 00:13:03,180 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 2342 transitions. Word has length 95 [2021-07-14 00:13:03,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:03,180 INFO L482 AbstractCegarLoop]: Abstraction has 1291 states and 2342 transitions. [2021-07-14 00:13:03,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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 00:13:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 2342 transitions. [2021-07-14 00:13:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-14 00:13:03,182 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:03,183 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] [2021-07-14 00:13:03,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:13:03,183 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:03,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:03,184 INFO L82 PathProgramCache]: Analyzing trace with hash 970577547, now seen corresponding path program 1 times [2021-07-14 00:13:03,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:03,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388563270] [2021-07-14 00:13:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:13:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:03,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:03,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:13:03,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-14 00:13:03,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:13:03,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:03,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:13:03,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:13:03,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:13:03,298 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 00:13:03,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:13:03,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388563270] [2021-07-14 00:13:03,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388563270] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:13:03,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:13:03,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 00:13:03,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078074376] [2021-07-14 00:13:03,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 00:13:03,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:13:03,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 00:13:03,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 00:13:03,299 INFO L87 Difference]: Start difference. First operand 1291 states and 2342 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 00:13:03,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:13:03,568 INFO L93 Difference]: Finished difference Result 1763 states and 3557 transitions. [2021-07-14 00:13:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 00:13:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 99 [2021-07-14 00:13:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:13:03,570 INFO L225 Difference]: With dead ends: 1763 [2021-07-14 00:13:03,570 INFO L226 Difference]: Without dead ends: 656 [2021-07-14 00:13:03,572 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 88.8ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:13:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2021-07-14 00:13:03,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2021-07-14 00:13:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 629 states have (on average 2.395866454689984) internal successors, (1507), 655 states have internal predecessors, (1507), 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 00:13:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1507 transitions. [2021-07-14 00:13:03,583 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1507 transitions. Word has length 99 [2021-07-14 00:13:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:13:03,583 INFO L482 AbstractCegarLoop]: Abstraction has 656 states and 1507 transitions. [2021-07-14 00:13:03,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 00:13:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1507 transitions. [2021-07-14 00:13:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-14 00:13:03,585 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:13:03,585 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] [2021-07-14 00:13:03,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:13:03,585 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:13:03,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:13:03,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1616407557, now seen corresponding path program 2 times [2021-07-14 00:13:03,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:13:03,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525387805] [2021-07-14 00:13:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:13:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:13:03,638 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:13:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:13:03,688 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:13:03,748 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 00:13:03,750 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 00:13:03,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:13:03,750 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-07-14 00:13:03,753 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:13:03,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:13:03 BasicIcfg [2021-07-14 00:13:03,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:13:03,948 INFO L168 Benchmark]: Toolchain (without parser) took 33044.98 ms. Allocated memory was 181.4 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 145.3 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,948 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 181.4 MB. Free memory was 163.7 MB in the beginning and 163.5 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:13:03,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.54 ms. Allocated memory is still 181.4 MB. Free memory was 145.1 MB in the beginning and 151.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.72 ms. Allocated memory is still 181.4 MB. Free memory was 151.7 MB in the beginning and 148.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,954 INFO L168 Benchmark]: Boogie Preprocessor took 51.12 ms. Allocated memory is still 181.4 MB. Free memory was 148.5 MB in the beginning and 146.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,954 INFO L168 Benchmark]: RCFGBuilder took 1635.96 ms. Allocated memory was 181.4 MB in the beginning and 220.2 MB in the end (delta: 38.8 MB). Free memory was 146.4 MB in the beginning and 108.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,954 INFO L168 Benchmark]: TraceAbstraction took 30624.36 ms. Allocated memory was 220.2 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 107.9 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-07-14 00:13:03,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 181.4 MB. Free memory was 163.7 MB in the beginning and 163.5 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 628.54 ms. Allocated memory is still 181.4 MB. Free memory was 145.1 MB in the beginning and 151.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 86.72 ms. Allocated memory is still 181.4 MB. Free memory was 151.7 MB in the beginning and 148.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.12 ms. Allocated memory is still 181.4 MB. Free memory was 148.5 MB in the beginning and 146.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1635.96 ms. Allocated memory was 181.4 MB in the beginning and 220.2 MB in the end (delta: 38.8 MB). Free memory was 146.4 MB in the beginning and 108.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30624.36 ms. Allocated memory was 220.2 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 107.9 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.6 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: 374633, positive: 356027, positive conditional: 356027, positive unconditional: 0, negative: 18606, negative conditional: 18606, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 367667, positive: 356027, positive conditional: 0, positive unconditional: 356027, negative: 11640, negative conditional: 0, negative unconditional: 11640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1351, positive: 1311, positive conditional: 0, positive unconditional: 1311, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1351, positive: 1302, positive conditional: 0, positive unconditional: 1302, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 522, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 504, negative conditional: 0, negative unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 367667, positive: 354716, positive conditional: 0, positive unconditional: 354716, negative: 11600, negative conditional: 0, negative unconditional: 11600, unknown: 1351, unknown conditional: 0, unknown unconditional: 1351] , Statistics on independence cache: Total cache size (in pairs): 1351, Positive cache size: 1311, Positive conditional cache size: 0, Positive unconditional cache size: 1311, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, 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_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0] [L714] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L716] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L718] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L719] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L720] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L722] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L724] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L726] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L727] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=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$flush_delayed=0] [L728] 0 int z$mem_tmp; VAL [__unbuffered_cnt=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] [L729] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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] [L730] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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$r_buff0_thd1=0] [L731] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=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$r_buff0_thd2=0] [L732] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=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] [L733] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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] [L734] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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$r_buff1_thd0=0] [L735] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=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$r_buff1_thd1=0] [L736] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=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] [L737] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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] [L738] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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$r_buff1_thd4=0] [L739] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=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$read_delayed=0] [L740] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=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}] [L741] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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] [L742] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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$w_buff0_used=0] [L743] 0 int z$w_buff1; VAL [__unbuffered_cnt=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$w_buff1=0] [L744] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=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] [L745] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L746] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] 0 pthread_t t1253; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t1253, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1254; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1254, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1255; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1255, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1256; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1256, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 4 z$w_buff1 = z$w_buff0 [L801] 4 z$w_buff0 = 2 [L802] 4 z$w_buff1_used = z$w_buff0_used [L803] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L805] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L810] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L813] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L765] 2 x = 2 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 3 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L787] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L788] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L789] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L790] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L793] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 z$flush_delayed = weak$$choice2 [L867] 0 z$mem_tmp = z [L868] EXPR 0 !z$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) [L868] 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) [L869] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L869] 0 z$w_buff0 = weak$$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)) [L870] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L870] 0 z$w_buff1 = weak$$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)) [L871] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L871] 0 z$w_buff0_used = weak$$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)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 z$w_buff1_used = weak$$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)) [L873] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L873] 0 z$r_buff0_thd0 = weak$$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)) [L874] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L876] 0 z = z$flush_delayed ? z$mem_tmp : z [L877] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, 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_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=255, x=2, 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_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=255, x=2, 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, 164 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30286.7ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 878.5ms, AutomataDifference: 8653.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6024.4ms, PartialOrderReductionTime: 6008.4ms, HoareTripleCheckerStatistics: 2450 SDtfs, 3433 SDslu, 8802 SDs, 0 SdLazy, 943 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1095.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 2486.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72172occurred in iteration=0, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11558.9ms AutomataMinimizationTime, 15 MinimizatonAttempts, 8122 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 73.4ms SsaConstructionTime, 683.6ms SatisfiabilityAnalysisTime, 2038.8ms InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 4978 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...