/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:06:22,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:06:22,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:06:22,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:06:22,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:06:22,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:06:22,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:06:22,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:06:22,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:06:22,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:06:22,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:06:22,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:06:22,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:06:22,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:06:22,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:06:22,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:06:22,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:06:22,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:06:22,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:06:22,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:06:22,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:06:22,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:06:22,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:06:22,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:06:22,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 11:06:22,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 11:06:22,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 11:06:22,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 11:06:22,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 11:06:22,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 11:06:22,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:06:22,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:06:22,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:06:22,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:06:22,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:06:22,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:06:22,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:06:22,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:06:22,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:06:22,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:06:22,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:06:22,672 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-SemanticLbe.epf [2021-03-11 11:06:22,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:06:22,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:06:22,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:06:22,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:06:22,715 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:06:22,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:06:22,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:06:22,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:06:22,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:06:22,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:06:22,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:06:22,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:06:23,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:06:23,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:06:23,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:06:23,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:06:23,097 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:06:23,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i [2021-03-11 11:06:23,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8cacfd1/6b8c76ebef134be3bd5d1e950373b90a/FLAG9fc2a5dfa [2021-03-11 11:06:24,432 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:06:24,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i [2021-03-11 11:06:24,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8cacfd1/6b8c76ebef134be3bd5d1e950373b90a/FLAG9fc2a5dfa [2021-03-11 11:06:24,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8cacfd1/6b8c76ebef134be3bd5d1e950373b90a [2021-03-11 11:06:24,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:06:24,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:06:24,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:06:24,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:06:24,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:06:24,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:06:24" (1/1) ... [2021-03-11 11:06:24,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e32c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:24, skipping insertion in model container [2021-03-11 11:06:24,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:06:24" (1/1) ... [2021-03-11 11:06:24,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:06:24,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:06:24,842 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/mix032_power.oepc.i[951,964] [2021-03-11 11:06:25,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:06:25,080 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:06:25,090 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/mix032_power.oepc.i[951,964] [2021-03-11 11:06:25,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:06:25,218 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:06:25,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25 WrapperNode [2021-03-11 11:06:25,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:06:25,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:06:25,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:06:25,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:06:25,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:06:25,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:06:25,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:06:25,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:06:25,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (1/1) ... [2021-03-11 11:06:25,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:06:25,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:06:25,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:06:25,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:06:25,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (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 [2021-03-11 11:06:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:06:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 11:06:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:06:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:06:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 11:06:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 11:06:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 11:06:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 11:06:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 11:06:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 11:06:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:06:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 11:06:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:06:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:06:25,389 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 11:06:27,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:06:27,143 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 11:06:27,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:06:27 BoogieIcfgContainer [2021-03-11 11:06:27,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:06:27,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:06:27,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:06:27,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:06:27,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:06:24" (1/3) ... [2021-03-11 11:06:27,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d004fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:06:27, skipping insertion in model container [2021-03-11 11:06:27,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:06:25" (2/3) ... [2021-03-11 11:06:27,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d004fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:06:27, skipping insertion in model container [2021-03-11 11:06:27,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:06:27" (3/3) ... [2021-03-11 11:06:27,153 INFO L111 eAbstractionObserver]: Analyzing ICFG mix032_power.oepc.i [2021-03-11 11:06:27,158 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:06:27,158 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:06:27,162 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 11:06:27,163 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:06:27,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,207 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,207 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,213 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,213 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,218 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,218 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,248 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,250 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,250 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:06:27,258 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 11:06:27,271 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 11:06:27,284 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:06:27,285 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:06:27,285 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:06:27,285 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:06:27,285 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:06:27,285 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:06:27,285 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:06:27,286 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:06:27,309 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:06:27,327 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 107 transitions, 229 flow [2021-03-11 11:06:27,329 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 107 transitions, 229 flow [2021-03-11 11:06:27,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-03-11 11:06:27,389 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-03-11 11:06:27,389 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 11:06:27,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-03-11 11:06:27,396 INFO L116 LiptonReduction]: Number of co-enabled transitions 2054 [2021-03-11 11:06:28,217 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 11:06:28,674 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-11 11:06:28,828 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-11 11:06:31,780 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-11 11:06:32,202 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-11 11:06:32,356 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-11 11:06:32,713 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-11 11:06:32,876 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-11 11:06:32,905 INFO L131 LiptonReduction]: Checked pairs total: 6120 [2021-03-11 11:06:32,905 INFO L133 LiptonReduction]: Total number of compositions: 91 [2021-03-11 11:06:32,910 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2021-03-11 11:06:32,979 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1166 states, 1162 states have (on average 3.4388984509466436) internal successors, (3996), 1165 states have internal predecessors, (3996), 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) [2021-03-11 11:06:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 1166 states, 1162 states have (on average 3.4388984509466436) internal successors, (3996), 1165 states have internal predecessors, (3996), 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) [2021-03-11 11:06:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-03-11 11:06:32,987 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:32,987 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-03-11 11:06:32,987 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:32,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:32,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1090330, now seen corresponding path program 1 times [2021-03-11 11:06:33,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:33,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915712796] [2021-03-11 11:06:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:33,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:33,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:33,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915712796] [2021-03-11 11:06:33,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:33,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 11:06:33,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085501027] [2021-03-11 11:06:33,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:06:33,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:33,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:06:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:06:33,228 INFO L87 Difference]: Start difference. First operand has 1166 states, 1162 states have (on average 3.4388984509466436) internal successors, (3996), 1165 states have internal predecessors, (3996), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-03-11 11:06:33,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:33,314 INFO L93 Difference]: Finished difference Result 972 states and 3118 transitions. [2021-03-11 11:06:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:06:33,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-03-11 11:06:33,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:33,349 INFO L225 Difference]: With dead ends: 972 [2021-03-11 11:06:33,350 INFO L226 Difference]: Without dead ends: 792 [2021-03-11 11:06:33,353 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:06:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2021-03-11 11:06:33,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2021-03-11 11:06:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 3.152970922882427) internal successors, (2494), 791 states have internal predecessors, (2494), 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) [2021-03-11 11:06:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2494 transitions. [2021-03-11 11:06:33,442 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2494 transitions. Word has length 3 [2021-03-11 11:06:33,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:33,442 INFO L480 AbstractCegarLoop]: Abstraction has 792 states and 2494 transitions. [2021-03-11 11:06:33,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-03-11 11:06:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2494 transitions. [2021-03-11 11:06:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 11:06:33,444 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:33,444 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:33,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:06:33,444 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:33,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:33,445 INFO L82 PathProgramCache]: Analyzing trace with hash 476510097, now seen corresponding path program 1 times [2021-03-11 11:06:33,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:33,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270532643] [2021-03-11 11:06:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:33,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 11:06:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:06:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:33,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270532643] [2021-03-11 11:06:33,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:33,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 11:06:33,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311510577] [2021-03-11 11:06:33,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:06:33,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:06:33,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:06:33,570 INFO L87 Difference]: Start difference. First operand 792 states and 2494 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-03-11 11:06:33,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:33,592 INFO L93 Difference]: Finished difference Result 784 states and 2462 transitions. [2021-03-11 11:06:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:06:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-03-11 11:06:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:33,597 INFO L225 Difference]: With dead ends: 784 [2021-03-11 11:06:33,597 INFO L226 Difference]: Without dead ends: 784 [2021-03-11 11:06:33,600 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:06:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-03-11 11:06:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-03-11 11:06:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 3.1443167305236273) internal successors, (2462), 783 states have internal predecessors, (2462), 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) [2021-03-11 11:06:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 2462 transitions. [2021-03-11 11:06:33,622 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 2462 transitions. Word has length 9 [2021-03-11 11:06:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:33,623 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 2462 transitions. [2021-03-11 11:06:33,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-03-11 11:06:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2462 transitions. [2021-03-11 11:06:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 11:06:33,626 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:33,626 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:33,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 11:06:33,626 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:33,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:33,633 INFO L82 PathProgramCache]: Analyzing trace with hash 584160006, now seen corresponding path program 1 times [2021-03-11 11:06:33,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:33,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579747426] [2021-03-11 11:06:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:33,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:33,723 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 11:06:33,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:06:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:33,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579747426] [2021-03-11 11:06:33,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:33,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:06:33,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677597205] [2021-03-11 11:06:33,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:06:33,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:06:33,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:33,741 INFO L87 Difference]: Start difference. First operand 784 states and 2462 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:06:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:33,769 INFO L93 Difference]: Finished difference Result 732 states and 2276 transitions. [2021-03-11 11:06:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:06:33,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-03-11 11:06:33,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:33,774 INFO L225 Difference]: With dead ends: 732 [2021-03-11 11:06:33,774 INFO L226 Difference]: Without dead ends: 732 [2021-03-11 11:06:33,775 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2021-03-11 11:06:33,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2021-03-11 11:06:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 3.113543091655267) internal successors, (2276), 731 states have internal predecessors, (2276), 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) [2021-03-11 11:06:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 2276 transitions. [2021-03-11 11:06:33,796 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 2276 transitions. Word has length 11 [2021-03-11 11:06:33,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:33,796 INFO L480 AbstractCegarLoop]: Abstraction has 732 states and 2276 transitions. [2021-03-11 11:06:33,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:06:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2276 transitions. [2021-03-11 11:06:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 11:06:33,801 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:33,801 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:33,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 11:06:33,802 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:33,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:33,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1687196381, now seen corresponding path program 1 times [2021-03-11 11:06:33,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:33,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105587995] [2021-03-11 11:06:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:33,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 11:06:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:06:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:33,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105587995] [2021-03-11 11:06:33,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:33,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:06:33,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41772818] [2021-03-11 11:06:33,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:06:33,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:33,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:06:33,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:33,865 INFO L87 Difference]: Start difference. First operand 732 states and 2276 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:06:33,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:33,883 INFO L93 Difference]: Finished difference Result 692 states and 2134 transitions. [2021-03-11 11:06:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:06:33,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-03-11 11:06:33,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:33,887 INFO L225 Difference]: With dead ends: 692 [2021-03-11 11:06:33,887 INFO L226 Difference]: Without dead ends: 692 [2021-03-11 11:06:33,887 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-03-11 11:06:33,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2021-03-11 11:06:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 691 states have (on average 3.0882778581765558) internal successors, (2134), 691 states have internal predecessors, (2134), 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) [2021-03-11 11:06:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 2134 transitions. [2021-03-11 11:06:33,905 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 2134 transitions. Word has length 11 [2021-03-11 11:06:33,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:33,905 INFO L480 AbstractCegarLoop]: Abstraction has 692 states and 2134 transitions. [2021-03-11 11:06:33,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:06:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2134 transitions. [2021-03-11 11:06:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 11:06:33,906 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:33,906 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:33,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 11:06:33,906 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:33,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:33,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1314848936, now seen corresponding path program 1 times [2021-03-11 11:06:33,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:33,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830625888] [2021-03-11 11:06:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:33,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:33,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:33,958 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 11:06:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:06:33,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:33,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:06:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:33,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830625888] [2021-03-11 11:06:33,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:33,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:06:33,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109088751] [2021-03-11 11:06:33,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:06:33,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:33,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:06:33,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:33,969 INFO L87 Difference]: Start difference. First operand 692 states and 2134 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-03-11 11:06:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:34,007 INFO L93 Difference]: Finished difference Result 636 states and 1734 transitions. [2021-03-11 11:06:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 11:06:34,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-03-11 11:06:34,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:34,010 INFO L225 Difference]: With dead ends: 636 [2021-03-11 11:06:34,010 INFO L226 Difference]: Without dead ends: 456 [2021-03-11 11:06:34,012 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:06:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-03-11 11:06:34,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2021-03-11 11:06:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 455 states have (on average 2.6153846153846154) internal successors, (1190), 455 states have internal predecessors, (1190), 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) [2021-03-11 11:06:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 1190 transitions. [2021-03-11 11:06:34,022 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 1190 transitions. Word has length 13 [2021-03-11 11:06:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:34,022 INFO L480 AbstractCegarLoop]: Abstraction has 456 states and 1190 transitions. [2021-03-11 11:06:34,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-03-11 11:06:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1190 transitions. [2021-03-11 11:06:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 11:06:34,023 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:34,023 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:34,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 11:06:34,023 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:34,024 INFO L82 PathProgramCache]: Analyzing trace with hash -343847884, now seen corresponding path program 1 times [2021-03-11 11:06:34,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:34,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476707041] [2021-03-11 11:06:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:34,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,129 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 11:06:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:06:34,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:06:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:34,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476707041] [2021-03-11 11:06:34,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:34,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 11:06:34,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379621260] [2021-03-11 11:06:34,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 11:06:34,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:34,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 11:06:34,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:06:34,140 INFO L87 Difference]: Start difference. First operand 456 states and 1190 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-03-11 11:06:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:34,190 INFO L93 Difference]: Finished difference Result 373 states and 910 transitions. [2021-03-11 11:06:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 11:06:34,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-03-11 11:06:34,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:34,192 INFO L225 Difference]: With dead ends: 373 [2021-03-11 11:06:34,192 INFO L226 Difference]: Without dead ends: 293 [2021-03-11 11:06:34,192 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:06:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-03-11 11:06:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2021-03-11 11:06:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 2.4006849315068495) internal successors, (701), 292 states have internal predecessors, (701), 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) [2021-03-11 11:06:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 701 transitions. [2021-03-11 11:06:34,198 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 701 transitions. Word has length 16 [2021-03-11 11:06:34,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:34,199 INFO L480 AbstractCegarLoop]: Abstraction has 293 states and 701 transitions. [2021-03-11 11:06:34,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-03-11 11:06:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 701 transitions. [2021-03-11 11:06:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-03-11 11:06:34,200 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:34,200 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:06:34,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 11:06:34,200 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:34,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:34,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1888837842, now seen corresponding path program 1 times [2021-03-11 11:06:34,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:34,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143391728] [2021-03-11 11:06:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,327 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 11:06:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:06:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:06:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:34,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143391728] [2021-03-11 11:06:34,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:34,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 11:06:34,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238814977] [2021-03-11 11:06:34,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 11:06:34,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:34,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 11:06:34,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:06:34,338 INFO L87 Difference]: Start difference. First operand 293 states and 701 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-03-11 11:06:34,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:34,383 INFO L93 Difference]: Finished difference Result 270 states and 653 transitions. [2021-03-11 11:06:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 11:06:34,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2021-03-11 11:06:34,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:34,385 INFO L225 Difference]: With dead ends: 270 [2021-03-11 11:06:34,385 INFO L226 Difference]: Without dead ends: 255 [2021-03-11 11:06:34,386 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-11 11:06:34,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-03-11 11:06:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-03-11 11:06:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 2.4606299212598426) internal successors, (625), 254 states have internal predecessors, (625), 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) [2021-03-11 11:06:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 625 transitions. [2021-03-11 11:06:34,391 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 625 transitions. Word has length 19 [2021-03-11 11:06:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:34,391 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 625 transitions. [2021-03-11 11:06:34,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-03-11 11:06:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 625 transitions. [2021-03-11 11:06:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 11:06:34,392 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:34,392 INFO L519 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] [2021-03-11 11:06:34,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 11:06:34,392 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:34,393 INFO L82 PathProgramCache]: Analyzing trace with hash -647661024, now seen corresponding path program 1 times [2021-03-11 11:06:34,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:34,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935707738] [2021-03-11 11:06:34,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:06:34,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:34,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935707738] [2021-03-11 11:06:34,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:34,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:06:34,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536626663] [2021-03-11 11:06:34,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:06:34,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:34,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:06:34,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:06:34,500 INFO L87 Difference]: Start difference. First operand 255 states and 625 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-03-11 11:06:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:34,514 INFO L93 Difference]: Finished difference Result 377 states and 908 transitions. [2021-03-11 11:06:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 11:06:34,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-03-11 11:06:34,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:34,516 INFO L225 Difference]: With dead ends: 377 [2021-03-11 11:06:34,516 INFO L226 Difference]: Without dead ends: 175 [2021-03-11 11:06:34,517 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:06:34,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-03-11 11:06:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2021-03-11 11:06:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 2.2701149425287355) internal successors, (395), 174 states have internal predecessors, (395), 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) [2021-03-11 11:06:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 395 transitions. [2021-03-11 11:06:34,520 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 395 transitions. Word has length 23 [2021-03-11 11:06:34,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:34,521 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 395 transitions. [2021-03-11 11:06:34,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-03-11 11:06:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 395 transitions. [2021-03-11 11:06:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 11:06:34,521 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:34,521 INFO L519 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] [2021-03-11 11:06:34,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 11:06:34,522 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:34,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1486659962, now seen corresponding path program 2 times [2021-03-11 11:06:34,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:34,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365017982] [2021-03-11 11:06:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:06:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:06:34,670 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-11 11:06:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 11:06:34,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-03-11 11:06:34,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:06:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:06:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:06:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:06:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:06:34,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365017982] [2021-03-11 11:06:34,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:06:34,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 11:06:34,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422528635] [2021-03-11 11:06:34,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 11:06:34,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:06:34,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 11:06:34,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 11:06:34,729 INFO L87 Difference]: Start difference. First operand 175 states and 395 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-03-11 11:06:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:06:34,935 INFO L93 Difference]: Finished difference Result 259 states and 553 transitions. [2021-03-11 11:06:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 11:06:34,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-03-11 11:06:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:06:34,937 INFO L225 Difference]: With dead ends: 259 [2021-03-11 11:06:34,937 INFO L226 Difference]: Without dead ends: 188 [2021-03-11 11:06:34,937 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 130.4ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-11 11:06:34,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-03-11 11:06:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 175. [2021-03-11 11:06:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 2.1666666666666665) internal successors, (377), 174 states have internal predecessors, (377), 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) [2021-03-11 11:06:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 377 transitions. [2021-03-11 11:06:34,941 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 377 transitions. Word has length 23 [2021-03-11 11:06:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:06:34,941 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 377 transitions. [2021-03-11 11:06:34,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-03-11 11:06:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 377 transitions. [2021-03-11 11:06:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-03-11 11:06:34,942 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:06:34,942 INFO L519 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] [2021-03-11 11:06:34,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 11:06:34,942 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:06:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:06:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1882358258, now seen corresponding path program 3 times [2021-03-11 11:06:34,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:06:34,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553448531] [2021-03-11 11:06:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:06:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:06:34,990 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:06:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:06:35,071 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:06:35,111 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 11:06:35,111 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 11:06:35,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 11:06:35,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:06:35 BasicIcfg [2021-03-11 11:06:35,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:06:35,210 INFO L168 Benchmark]: Toolchain (without parser) took 10526.70 ms. Allocated memory was 255.9 MB in the beginning and 555.7 MB in the end (delta: 299.9 MB). Free memory was 233.8 MB in the beginning and 500.4 MB in the end (delta: -266.6 MB). Peak memory consumption was 333.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,210 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:06:35,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.84 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 232.9 MB in the beginning and 339.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 379.6 MB. Free memory was 339.7 MB in the beginning and 337.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,211 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 ms. Allocated memory is still 379.6 MB. Free memory was 337.1 MB in the beginning and 335.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,212 INFO L168 Benchmark]: RCFGBuilder took 1839.34 ms. Allocated memory was 379.6 MB in the beginning and 457.2 MB in the end (delta: 77.6 MB). Free memory was 335.0 MB in the beginning and 421.2 MB in the end (delta: -86.2 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,212 INFO L168 Benchmark]: TraceAbstraction took 8062.36 ms. Allocated memory was 457.2 MB in the beginning and 555.7 MB in the end (delta: 98.6 MB). Free memory was 420.2 MB in the beginning and 500.4 MB in the end (delta: -80.2 MB). Peak memory consumption was 318.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:06:35,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 531.84 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 232.9 MB in the beginning and 339.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 379.6 MB. Free memory was 339.7 MB in the beginning and 337.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.17 ms. Allocated memory is still 379.6 MB. Free memory was 337.1 MB in the beginning and 335.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1839.34 ms. Allocated memory was 379.6 MB in the beginning and 457.2 MB in the end (delta: 77.6 MB). Free memory was 335.0 MB in the beginning and 421.2 MB in the end (delta: -86.2 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8062.36 ms. Allocated memory was 457.2 MB in the beginning and 555.7 MB in the end (delta: 98.6 MB). Free memory was 420.2 MB in the beginning and 500.4 MB in the end (delta: -80.2 MB). Peak memory consumption was 318.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5575.9ms, 115 PlacesBefore, 38 PlacesAfterwards, 107 TransitionsBefore, 29 TransitionsAfterwards, 2054 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 91 TotalNumberOfCompositions, 6120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3198, positive: 2985, positive conditional: 0, positive unconditional: 2985, negative: 213, negative conditional: 0, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1577, positive: 1516, positive conditional: 0, positive unconditional: 1516, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1577, positive: 1496, positive conditional: 0, positive unconditional: 1496, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 763, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 720, negative conditional: 0, negative unconditional: 720, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3198, positive: 1469, positive conditional: 0, positive unconditional: 1469, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 1577, unknown conditional: 0, unknown unconditional: 1577] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - 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; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L723] 0 int b = 0; [L724] 0 _Bool b$flush_delayed; [L725] 0 int b$mem_tmp; [L726] 0 _Bool b$r_buff0_thd0; [L727] 0 _Bool b$r_buff0_thd1; [L728] 0 _Bool b$r_buff0_thd2; [L729] 0 _Bool b$r_buff0_thd3; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$read_delayed; [L735] 0 int *b$read_delayed_var; [L736] 0 int b$w_buff0; [L737] 0 _Bool b$w_buff0_used; [L738] 0 int b$w_buff1; [L739] 0 _Bool b$w_buff1_used; [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t849; [L856] FCALL, FORK 0 pthread_create(&t849, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L857] 0 pthread_t t850; [L858] FCALL, FORK 0 pthread_create(&t850, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=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] [L753] 1 b$w_buff1 = b$w_buff0 [L754] 1 b$w_buff0 = 1 [L755] 1 b$w_buff1_used = b$w_buff0_used [L756] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L759] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L760] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L761] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L762] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, b$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=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, y=0, z=0] [L782] 2 x = 1 [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=1, z=0] [L788] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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}, 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=1, z=0] [L791] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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}, 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=1, z=0] [L794] 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) [L794] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L794] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L795] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L796] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L797] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L797] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L798] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L798] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L859] 0 pthread_t t851; [L860] FCALL, FORK 0 pthread_create(&t851, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$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=1, z=0] [L808] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=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=1, y=1, z=1] [L811] 3 a = 1 [L814] 3 __unbuffered_p2_EAX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __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=1, y=1, z=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 b$flush_delayed = weak$$choice2 [L820] 3 b$mem_tmp = b [L821] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L821] 3 b = !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L822] EXPR 3 weak$$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$w_buff0)) [L822] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0) [L822] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L822] 3 b$w_buff0 = weak$$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)) [L823] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L823] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1) [L823] EXPR 3 weak$$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$w_buff1)) [L823] 3 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L824] EXPR 3 weak$$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)) [L824] 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) [L824] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L824] 3 b$w_buff0_used = weak$$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)) [L825] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L825] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$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)) [L826] 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) [L826] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L826] 3 b$r_buff0_thd3 = weak$$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)) [L827] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L827] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 b$r_buff1_thd3 = weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = b [L829] EXPR 3 b$flush_delayed ? b$mem_tmp : b [L829] 3 b = b$flush_delayed ? b$mem_tmp : b [L830] 3 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L768] 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) [L768] 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) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 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 [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 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 [L833] 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) [L833] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L833] 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) [L833] 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) [L834] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L834] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L835] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L835] 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 [L836] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L836] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L837] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L837] 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 [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] 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) [L866] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L866] 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) [L866] 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) [L867] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L867] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L868] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L868] 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 [L869] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L869] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L870] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L870] 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 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __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=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7829.0ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 20.6ms, AutomataDifference: 593.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5689.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 262 SDtfs, 274 SDslu, 440 SDs, 0 SdLazy, 179 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 228.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 236.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1166occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 165.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.7ms SsaConstructionTime, 392.5ms SatisfiabilityAnalysisTime, 598.9ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...