/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-16 16:48:06,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-16 16:48:06,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-16 16:48:06,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-16 16:48:06,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-16 16:48:06,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-16 16:48:06,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-16 16:48:06,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-16 16:48:06,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-16 16:48:06,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-16 16:48:06,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-16 16:48:06,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-16 16:48:06,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-16 16:48:06,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-16 16:48:06,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-16 16:48:06,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-16 16:48:06,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-16 16:48:06,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-16 16:48:06,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-16 16:48:06,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-16 16:48:06,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-16 16:48:06,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-16 16:48:06,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-16 16:48:06,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-16 16:48:06,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-16 16:48:06,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-16 16:48:06,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-16 16:48:06,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-16 16:48:06,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-16 16:48:06,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-16 16:48:06,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-16 16:48:06,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-16 16:48:06,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-16 16:48:06,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-16 16:48:06,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-16 16:48:06,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-16 16:48:06,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-16 16:48:06,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-16 16:48:06,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-16 16:48:06,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-16 16:48:06,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-16 16:48:06,668 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.epf [2021-02-16 16:48:06,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-16 16:48:06,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-16 16:48:06,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-16 16:48:06,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-16 16:48:06,711 INFO L138 SettingsManager]: * Use SBE=true [2021-02-16 16:48:06,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-16 16:48:06,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-16 16:48:06,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-16 16:48:06,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-16 16:48:06,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-16 16:48:06,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-16 16:48:06,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-16 16:48:06,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-16 16:48:06,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-16 16:48:06,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-16 16:48:06,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-16 16:48:06,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-16 16:48:06,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-16 16:48:06,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-16 16:48:06,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-16 16:48:06,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-16 16:48:06,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 16:48:06,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-16 16:48:06,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-16 16:48:06,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-16 16:48:06,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-16 16:48:06,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-16 16:48:06,718 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-16 16:48:06,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-16 16:48:06,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-16 16:48:07,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-16 16:48:07,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-16 16:48:07,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-16 16:48:07,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-16 16:48:07,137 INFO L275 PluginConnector]: CDTParser initialized [2021-02-16 16:48:07,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_pso.oepc.i [2021-02-16 16:48:07,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0222151/3b474d6c045a48e3a18a7cd1fd8e91e7/FLAG3daa33821 [2021-02-16 16:48:08,020 INFO L306 CDTParser]: Found 1 translation units. [2021-02-16 16:48:08,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_pso.oepc.i [2021-02-16 16:48:08,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0222151/3b474d6c045a48e3a18a7cd1fd8e91e7/FLAG3daa33821 [2021-02-16 16:48:08,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0222151/3b474d6c045a48e3a18a7cd1fd8e91e7 [2021-02-16 16:48:08,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-16 16:48:08,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-16 16:48:08,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-16 16:48:08,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-16 16:48:08,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-16 16:48:08,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:48:08" (1/1) ... [2021-02-16 16:48:08,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662d4fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:08, skipping insertion in model container [2021-02-16 16:48:08,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:48:08" (1/1) ... [2021-02-16 16:48:08,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-16 16:48:08,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-16 16:48:08,506 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_pso.oepc.i[949,962] [2021-02-16 16:48:08,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 16:48:08,778 INFO L203 MainTranslator]: Completed pre-run [2021-02-16 16:48:08,793 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_pso.oepc.i[949,962] [2021-02-16 16:48:08,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 16:48:08,999 INFO L208 MainTranslator]: Completed translation [2021-02-16 16:48:09,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09 WrapperNode [2021-02-16 16:48:09,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-16 16:48:09,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-16 16:48:09,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-16 16:48:09,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-16 16:48:09,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-16 16:48:09,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-16 16:48:09,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-16 16:48:09,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-16 16:48:09,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (1/1) ... [2021-02-16 16:48:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-16 16:48:09,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-16 16:48:09,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-16 16:48:09,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-16 16:48:09,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (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 [2021-02-16 16:48:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-16 16:48:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-16 16:48:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-16 16:48:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-16 16:48:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-16 16:48:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-16 16:48:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-16 16:48:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-16 16:48:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-16 16:48:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-16 16:48:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-16 16:48:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-16 16:48:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-16 16:48:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-16 16:48:09,282 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-16 16:48:11,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-16 16:48:11,492 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-02-16 16:48:11,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:48:11 BoogieIcfgContainer [2021-02-16 16:48:11,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-16 16:48:11,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-16 16:48:11,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-16 16:48:11,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-16 16:48:11,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:48:08" (1/3) ... [2021-02-16 16:48:11,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e4aa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:48:11, skipping insertion in model container [2021-02-16 16:48:11,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:48:09" (2/3) ... [2021-02-16 16:48:11,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e4aa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:48:11, skipping insertion in model container [2021-02-16 16:48:11,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:48:11" (3/3) ... [2021-02-16 16:48:11,503 INFO L111 eAbstractionObserver]: Analyzing ICFG mix033_pso.oepc.i [2021-02-16 16:48:11,511 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-16 16:48:11,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-16 16:48:11,516 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-16 16:48:11,517 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-16 16:48:11,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,600 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 16:48:11,612 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-16 16:48:11,634 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-02-16 16:48:11,658 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-16 16:48:11,658 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-16 16:48:11,658 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-16 16:48:11,658 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-16 16:48:11,658 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-16 16:48:11,658 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-16 16:48:11,659 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-16 16:48:11,659 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-16 16:48:11,673 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 106 transitions, 227 flow [2021-02-16 16:48:13,749 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23838 states, 23834 states have (on average 3.7062180078878915) internal successors, (88334), 23837 states have internal predecessors, (88334), 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) [2021-02-16 16:48:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 23838 states, 23834 states have (on average 3.7062180078878915) internal successors, (88334), 23837 states have internal predecessors, (88334), 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) [2021-02-16 16:48:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-16 16:48:13,837 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:13,838 INFO L505 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] [2021-02-16 16:48:13,839 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:13,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:13,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1971148048, now seen corresponding path program 1 times [2021-02-16 16:48:13,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:13,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269718050] [2021-02-16 16:48:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:14,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:14,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:14,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:14,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:14,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269718050] [2021-02-16 16:48:14,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:14,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-16 16:48:14,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6307526] [2021-02-16 16:48:14,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-16 16:48:14,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:14,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-16 16:48:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-16 16:48:14,398 INFO L87 Difference]: Start difference. First operand has 23838 states, 23834 states have (on average 3.7062180078878915) internal successors, (88334), 23837 states have internal predecessors, (88334), 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 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-02-16 16:48:14,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:14,883 INFO L93 Difference]: Finished difference Result 20394 states and 73690 transitions. [2021-02-16 16:48:14,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-16 16:48:14,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-02-16 16:48:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:15,196 INFO L225 Difference]: With dead ends: 20394 [2021-02-16 16:48:15,197 INFO L226 Difference]: Without dead ends: 11594 [2021-02-16 16:48:15,201 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-16 16:48:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11594 states. [2021-02-16 16:48:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11594 to 11594. [2021-02-16 16:48:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11594 states, 11593 states have (on average 3.5668075562839645) internal successors, (41350), 11593 states have internal predecessors, (41350), 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) [2021-02-16 16:48:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11594 states to 11594 states and 41350 transitions. [2021-02-16 16:48:16,067 INFO L78 Accepts]: Start accepts. Automaton has 11594 states and 41350 transitions. Word has length 44 [2021-02-16 16:48:16,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:16,068 INFO L480 AbstractCegarLoop]: Abstraction has 11594 states and 41350 transitions. [2021-02-16 16:48:16,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-02-16 16:48:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 11594 states and 41350 transitions. [2021-02-16 16:48:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-16 16:48:16,210 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:16,213 INFO L505 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] [2021-02-16 16:48:16,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-16 16:48:16,214 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:16,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash 243684692, now seen corresponding path program 1 times [2021-02-16 16:48:16,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:16,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738800535] [2021-02-16 16:48:16,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:16,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:16,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:16,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:16,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:16,515 WARN L141 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-02-16 16:48:16,517 WARN L147 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size 21 [2021-02-16 16:48:16,540 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-16 16:48:16,541 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-16 16:48:16,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:16,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:16,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:16,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:16,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:16,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:16,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738800535] [2021-02-16 16:48:16,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:16,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-16 16:48:16,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260978324] [2021-02-16 16:48:16,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-16 16:48:16,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-16 16:48:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-16 16:48:16,613 INFO L87 Difference]: Start difference. First operand 11594 states and 41350 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-02-16 16:48:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:17,207 INFO L93 Difference]: Finished difference Result 18394 states and 64178 transitions. [2021-02-16 16:48:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-16 16:48:17,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 63 [2021-02-16 16:48:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:17,442 INFO L225 Difference]: With dead ends: 18394 [2021-02-16 16:48:17,443 INFO L226 Difference]: Without dead ends: 12994 [2021-02-16 16:48:17,444 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-02-16 16:48:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12994 states. [2021-02-16 16:48:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12994 to 11194. [2021-02-16 16:48:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 11193 states have (on average 3.4953095684803004) internal successors, (39123), 11193 states have internal predecessors, (39123), 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) [2021-02-16 16:48:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 39123 transitions. [2021-02-16 16:48:18,132 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 39123 transitions. Word has length 63 [2021-02-16 16:48:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:18,134 INFO L480 AbstractCegarLoop]: Abstraction has 11194 states and 39123 transitions. [2021-02-16 16:48:18,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-02-16 16:48:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 39123 transitions. [2021-02-16 16:48:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-02-16 16:48:18,167 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:18,168 INFO L505 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] [2021-02-16 16:48:18,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-16 16:48:18,168 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:18,172 INFO L82 PathProgramCache]: Analyzing trace with hash -430883566, now seen corresponding path program 1 times [2021-02-16 16:48:18,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:18,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686095477] [2021-02-16 16:48:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:18,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:18,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:18,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:18,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:18,330 WARN L141 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-02-16 16:48:18,331 WARN L147 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size 21 [2021-02-16 16:48:18,343 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-16 16:48:18,344 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-16 16:48:18,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:18,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:18,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:18,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:18,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:18,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:18,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686095477] [2021-02-16 16:48:18,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:18,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-16 16:48:18,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783511037] [2021-02-16 16:48:18,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-16 16:48:18,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:18,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-16 16:48:18,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-16 16:48:18,394 INFO L87 Difference]: Start difference. First operand 11194 states and 39123 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-02-16 16:48:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:18,942 INFO L93 Difference]: Finished difference Result 14722 states and 50739 transitions. [2021-02-16 16:48:18,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-16 16:48:18,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 67 [2021-02-16 16:48:18,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:19,010 INFO L225 Difference]: With dead ends: 14722 [2021-02-16 16:48:19,010 INFO L226 Difference]: Without dead ends: 12082 [2021-02-16 16:48:19,011 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-02-16 16:48:19,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12082 states. [2021-02-16 16:48:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12082 to 8962. [2021-02-16 16:48:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8962 states, 8961 states have (on average 3.4780716437897556) internal successors, (31167), 8961 states have internal predecessors, (31167), 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) [2021-02-16 16:48:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8962 states to 8962 states and 31167 transitions. [2021-02-16 16:48:19,489 INFO L78 Accepts]: Start accepts. Automaton has 8962 states and 31167 transitions. Word has length 67 [2021-02-16 16:48:19,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:19,491 INFO L480 AbstractCegarLoop]: Abstraction has 8962 states and 31167 transitions. [2021-02-16 16:48:19,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-02-16 16:48:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 8962 states and 31167 transitions. [2021-02-16 16:48:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-16 16:48:19,521 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:19,521 INFO L505 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] [2021-02-16 16:48:19,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-16 16:48:19,522 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:19,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:19,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1134716844, now seen corresponding path program 1 times [2021-02-16 16:48:19,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:19,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963150535] [2021-02-16 16:48:19,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:19,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:19,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:19,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:19,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:19,695 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-02-16 16:48:19,696 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-02-16 16:48:19,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:19,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-16 16:48:19,724 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-16 16:48:19,725 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-16 16:48:19,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:19,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:19,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963150535] [2021-02-16 16:48:19,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:19,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-16 16:48:19,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829794608] [2021-02-16 16:48:19,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-16 16:48:19,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:19,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-16 16:48:19,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-16 16:48:19,748 INFO L87 Difference]: Start difference. First operand 8962 states and 31167 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-16 16:48:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:20,085 INFO L93 Difference]: Finished difference Result 10582 states and 35847 transitions. [2021-02-16 16:48:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-16 16:48:20,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-02-16 16:48:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:20,119 INFO L225 Difference]: With dead ends: 10582 [2021-02-16 16:48:20,120 INFO L226 Difference]: Without dead ends: 7162 [2021-02-16 16:48:20,120 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-16 16:48:20,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7162 states. [2021-02-16 16:48:20,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7162 to 7162. [2021-02-16 16:48:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7162 states, 7161 states have (on average 3.3502304147465436) internal successors, (23991), 7161 states have internal predecessors, (23991), 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) [2021-02-16 16:48:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 23991 transitions. [2021-02-16 16:48:20,398 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 23991 transitions. Word has length 71 [2021-02-16 16:48:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:20,401 INFO L480 AbstractCegarLoop]: Abstraction has 7162 states and 23991 transitions. [2021-02-16 16:48:20,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-16 16:48:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 23991 transitions. [2021-02-16 16:48:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-02-16 16:48:20,425 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:20,426 INFO L505 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] [2021-02-16 16:48:20,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-16 16:48:20,426 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:20,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:20,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1907866462, now seen corresponding path program 1 times [2021-02-16 16:48:20,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:20,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723912378] [2021-02-16 16:48:20,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:20,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:20,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:20,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:20,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:20,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:20,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:20,668 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-02-16 16:48:20,669 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-02-16 16:48:20,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:20,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-16 16:48:20,695 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-16 16:48:20,696 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-16 16:48:20,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:20,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:20,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723912378] [2021-02-16 16:48:20,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:20,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-16 16:48:20,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268640686] [2021-02-16 16:48:20,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-16 16:48:20,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:20,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-16 16:48:20,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-16 16:48:20,733 INFO L87 Difference]: Start difference. First operand 7162 states and 23991 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2021-02-16 16:48:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:20,925 INFO L93 Difference]: Finished difference Result 6556 states and 21217 transitions. [2021-02-16 16:48:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-16 16:48:20,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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 74 [2021-02-16 16:48:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:20,942 INFO L225 Difference]: With dead ends: 6556 [2021-02-16 16:48:20,943 INFO L226 Difference]: Without dead ends: 4156 [2021-02-16 16:48:20,943 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-02-16 16:48:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2021-02-16 16:48:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4146. [2021-02-16 16:48:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 4145 states have (on average 3.138238841978287) internal successors, (13008), 4145 states have internal predecessors, (13008), 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) [2021-02-16 16:48:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 13008 transitions. [2021-02-16 16:48:21,250 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 13008 transitions. Word has length 74 [2021-02-16 16:48:21,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:21,250 INFO L480 AbstractCegarLoop]: Abstraction has 4146 states and 13008 transitions. [2021-02-16 16:48:21,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2021-02-16 16:48:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 13008 transitions. [2021-02-16 16:48:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-16 16:48:21,266 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:21,267 INFO L505 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] [2021-02-16 16:48:21,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-16 16:48:21,267 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:21,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:21,268 INFO L82 PathProgramCache]: Analyzing trace with hash 26388523, now seen corresponding path program 1 times [2021-02-16 16:48:21,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:21,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979264032] [2021-02-16 16:48:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:21,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:21,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:21,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:21,386 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-16 16:48:21,388 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-16 16:48:21,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:21,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:21,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:21,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979264032] [2021-02-16 16:48:21,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:21,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-16 16:48:21,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748292492] [2021-02-16 16:48:21,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-16 16:48:21,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:21,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-16 16:48:21,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-16 16:48:21,437 INFO L87 Difference]: Start difference. First operand 4146 states and 13008 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2021-02-16 16:48:21,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:21,544 INFO L93 Difference]: Finished difference Result 6438 states and 20162 transitions. [2021-02-16 16:48:21,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-16 16:48:21,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2021-02-16 16:48:21,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:21,559 INFO L225 Difference]: With dead ends: 6438 [2021-02-16 16:48:21,559 INFO L226 Difference]: Without dead ends: 4282 [2021-02-16 16:48:21,560 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-02-16 16:48:21,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2021-02-16 16:48:21,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 4012. [2021-02-16 16:48:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4012 states, 4011 states have (on average 3.0880079780603342) internal successors, (12386), 4011 states have internal predecessors, (12386), 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) [2021-02-16 16:48:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 4012 states and 12386 transitions. [2021-02-16 16:48:21,677 INFO L78 Accepts]: Start accepts. Automaton has 4012 states and 12386 transitions. Word has length 77 [2021-02-16 16:48:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:21,678 INFO L480 AbstractCegarLoop]: Abstraction has 4012 states and 12386 transitions. [2021-02-16 16:48:21,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2021-02-16 16:48:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4012 states and 12386 transitions. [2021-02-16 16:48:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-16 16:48:21,690 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:21,690 INFO L505 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] [2021-02-16 16:48:21,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-16 16:48:21,690 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1233238481, now seen corresponding path program 2 times [2021-02-16 16:48:21,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:21,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261076320] [2021-02-16 16:48:21,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:21,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:21,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:21,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:21,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:21,869 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-02-16 16:48:21,872 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-02-16 16:48:21,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-16 16:48:21,902 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-16 16:48:21,904 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-16 16:48:21,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:21,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:21,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261076320] [2021-02-16 16:48:21,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:21,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-16 16:48:21,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130275119] [2021-02-16 16:48:21,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-16 16:48:21,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:21,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-16 16:48:21,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-16 16:48:21,938 INFO L87 Difference]: Start difference. First operand 4012 states and 12386 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2021-02-16 16:48:22,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:22,095 INFO L93 Difference]: Finished difference Result 3166 states and 9539 transitions. [2021-02-16 16:48:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-16 16:48:22,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2021-02-16 16:48:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:22,101 INFO L225 Difference]: With dead ends: 3166 [2021-02-16 16:48:22,101 INFO L226 Difference]: Without dead ends: 1578 [2021-02-16 16:48:22,101 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-16 16:48:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2021-02-16 16:48:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1528. [2021-02-16 16:48:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 2.872953503601834) internal successors, (4387), 1527 states have internal predecessors, (4387), 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) [2021-02-16 16:48:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 4387 transitions. [2021-02-16 16:48:22,215 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 4387 transitions. Word has length 77 [2021-02-16 16:48:22,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:22,216 INFO L480 AbstractCegarLoop]: Abstraction has 1528 states and 4387 transitions. [2021-02-16 16:48:22,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2021-02-16 16:48:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 4387 transitions. [2021-02-16 16:48:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-02-16 16:48:22,220 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:22,220 INFO L505 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] [2021-02-16 16:48:22,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-16 16:48:22,220 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:22,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:22,221 INFO L82 PathProgramCache]: Analyzing trace with hash 731021837, now seen corresponding path program 1 times [2021-02-16 16:48:22,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:22,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144355180] [2021-02-16 16:48:22,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-16 16:48:22,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:22,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-16 16:48:22,377 WARN L141 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-02-16 16:48:22,383 WARN L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-02-16 16:48:22,403 WARN L141 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-02-16 16:48:22,404 WARN L147 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size 14 [2021-02-16 16:48:22,417 WARN L141 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-02-16 16:48:22,419 WARN L147 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size 32 [2021-02-16 16:48:22,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-16 16:48:22,457 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-16 16:48:22,458 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-16 16:48:22,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:22,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-16 16:48:22,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-16 16:48:22,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-16 16:48:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-16 16:48:22,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144355180] [2021-02-16 16:48:22,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-16 16:48:22,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-16 16:48:22,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502234000] [2021-02-16 16:48:22,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-16 16:48:22,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-16 16:48:22,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-16 16:48:22,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-16 16:48:22,527 INFO L87 Difference]: Start difference. First operand 1528 states and 4387 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 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) [2021-02-16 16:48:22,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-16 16:48:22,900 INFO L93 Difference]: Finished difference Result 2468 states and 7138 transitions. [2021-02-16 16:48:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-16 16:48:22,901 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 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 [2021-02-16 16:48:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-16 16:48:22,904 INFO L225 Difference]: With dead ends: 2468 [2021-02-16 16:48:22,904 INFO L226 Difference]: Without dead ends: 1166 [2021-02-16 16:48:22,904 INFO L761 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-02-16 16:48:22,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2021-02-16 16:48:22,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1072. [2021-02-16 16:48:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 2.7927170868347337) internal successors, (2991), 1071 states have internal predecessors, (2991), 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) [2021-02-16 16:48:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 2991 transitions. [2021-02-16 16:48:22,929 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 2991 transitions. Word has length 82 [2021-02-16 16:48:22,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-16 16:48:22,929 INFO L480 AbstractCegarLoop]: Abstraction has 1072 states and 2991 transitions. [2021-02-16 16:48:22,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 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) [2021-02-16 16:48:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2991 transitions. [2021-02-16 16:48:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-02-16 16:48:22,932 INFO L497 BasicCegarLoop]: Found error trace [2021-02-16 16:48:22,933 INFO L505 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] [2021-02-16 16:48:22,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-16 16:48:22,933 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 16:48:22,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 16:48:22,933 INFO L82 PathProgramCache]: Analyzing trace with hash -557930309, now seen corresponding path program 2 times [2021-02-16 16:48:22,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 16:48:22,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200705101] [2021-02-16 16:48:22,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 16:48:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 16:48:23,008 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 16:48:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 16:48:23,103 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 16:48:23,179 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-16 16:48:23,179 INFO L606 BasicCegarLoop]: Counterexample might be feasible [2021-02-16 16:48:23,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-16 16:48:23,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:48:23 BasicIcfg [2021-02-16 16:48:23,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-16 16:48:23,412 INFO L168 Benchmark]: Toolchain (without parser) took 15187.66 ms. Allocated memory was 302.0 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 277.0 MB in the beginning and 4.5 GB in the end (delta: -4.2 GB). Peak memory consumption was 552.4 MB. Max. memory is 16.0 GB. [2021-02-16 16:48:23,415 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 61.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 16:48:23,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.58 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 281.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. [2021-02-16 16:48:23,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.03 ms. Allocated memory is still 302.0 MB. Free memory was 281.8 MB in the beginning and 279.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 16:48:23,418 INFO L168 Benchmark]: Boogie Preprocessor took 82.05 ms. Allocated memory is still 302.0 MB. Free memory was 279.7 MB in the beginning and 277.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-16 16:48:23,419 INFO L168 Benchmark]: RCFGBuilder took 2319.16 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.4 MB in the beginning and 278.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 174.1 MB. Max. memory is 16.0 GB. [2021-02-16 16:48:23,420 INFO L168 Benchmark]: TraceAbstraction took 11914.44 ms. Allocated memory was 362.8 MB in the beginning and 5.1 GB in the end (delta: 4.7 GB). Free memory was 277.6 MB in the beginning and 4.5 GB in the end (delta: -4.2 GB). Peak memory consumption was 489.4 MB. Max. memory is 16.0 GB. [2021-02-16 16:48:23,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.5 MB in the end (delta: 61.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 773.58 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 281.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 78.03 ms. Allocated memory is still 302.0 MB. Free memory was 281.8 MB in the beginning and 279.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 82.05 ms. Allocated memory is still 302.0 MB. Free memory was 279.7 MB in the beginning and 277.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2319.16 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.4 MB in the beginning and 278.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 174.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11914.44 ms. Allocated memory was 362.8 MB in the beginning and 5.1 GB in the end (delta: 4.7 GB). Free memory was 277.6 MB in the beginning and 4.5 GB in the end (delta: -4.2 GB). Peak memory consumption was 489.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L719] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L721] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0] [L722] 0 _Bool b$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0] [L723] 0 int b$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0] [L724] 0 _Bool b$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0] [L725] 0 _Bool b$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0] [L726] 0 _Bool b$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0] [L727] 0 _Bool b$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0] [L728] 0 _Bool b$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0] [L729] 0 _Bool b$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0] [L730] 0 _Bool b$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0] [L731] 0 _Bool b$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0] [L732] 0 _Bool b$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0] [L733] 0 int *b$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}] [L734] 0 int b$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0] [L735] 0 _Bool b$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0] [L736] 0 int b$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0] [L737] 0 _Bool b$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0] [L738] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0] [L739] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L741] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L743] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L745] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L746] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L747] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L853] 0 pthread_t t879; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L854] FCALL, FORK 0 pthread_create(&t879, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L751] 1 b$w_buff1 = b$w_buff0 [L752] 1 b$w_buff0 = 1 [L753] 1 b$w_buff1_used = b$w_buff0_used [L754] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L756] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L757] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L758] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L759] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L760] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L855] 0 pthread_t t880; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L856] FCALL, FORK 0 pthread_create(&t880, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L857] 0 pthread_t t881; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L858] FCALL, FORK 0 pthread_create(&t881, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L786] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L789] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L793] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L794] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L795] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L796] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L806] 3 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L809] 3 a = 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L812] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L815] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L816] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L817] 3 b$flush_delayed = weak$$choice2 [L818] 3 b$mem_tmp = b [L819] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L819] 3 b = !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L820] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L820] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0) [L820] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L820] 3 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L821] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L821] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1) [L821] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L821] 3 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L822] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L822] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used) [L822] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L822] 3 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L823] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L823] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L824] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3) [L824] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L824] 3 b$r_buff0_thd3 = weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L825] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L825] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 b$r_buff1_thd3 = weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 __unbuffered_p2_EBX = b [L827] EXPR 3 b$flush_delayed ? b$mem_tmp : b [L827] 3 b = b$flush_delayed ? b$mem_tmp : b [L828] 3 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L766] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L766] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L767] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L767] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L768] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L769] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L770] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L831] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L831] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L831] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L831] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L832] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L832] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L833] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L833] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L834] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L834] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L835] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L835] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L864] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L864] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L864] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L864] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L865] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L865] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L866] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L866] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L867] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L867] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L868] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L868] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L871] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 105 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 1154 SDtfs, 1545 SDslu, 3857 SDs, 0 SdLazy, 429 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23838occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 5344 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 637 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 170662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...