/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 16:47:24,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 16:47:24,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 16:47:24,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-12 16:47:24,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-12 16:47:24,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-12 16:47:24,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-12 16:47:24,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-12 16:47:24,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-12 16:47:24,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-12 16:47:24,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-12 16:47:24,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-12 16:47:24,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-12 16:47:24,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-12 16:47:24,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-12 16:47:24,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-12 16:47:24,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-12 16:47:24,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 16:47:24,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 16:47:24,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 16:47:24,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-12 16:47:24,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 16:47:24,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 16:47:24,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 16:47:24,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 16:47:24,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 16:47:24,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 16:47:24,512 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 16:47:24,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 16:47:24,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 16:47:24,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 16:47:24,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 16:47:24,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 16:47:24,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 16:47:24,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 16:47:24,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 16:47:24,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 16:47:24,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 16:47:24,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 16:47:24,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 16:47:24,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 16:47:24,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 16:47:24,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 16:47:24,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 16:47:24,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 16:47:24,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 16:47:24,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 16:47:24,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 16:47:24,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 16:47:24,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 16:47:24,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 16:47:24,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 16:47:24,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 16:47:24,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 16:47:24,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 16:47:24,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 16:47:24,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 16:47:24,876 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 16:47:24,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i [2021-06-12 16:47:24,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5308061d5/f0b395c818e24a968ae582bb0fbdf181/FLAG179888fcc [2021-06-12 16:47:25,415 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 16:47:25,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i [2021-06-12 16:47:25,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5308061d5/f0b395c818e24a968ae582bb0fbdf181/FLAG179888fcc [2021-06-12 16:47:25,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5308061d5/f0b395c818e24a968ae582bb0fbdf181 [2021-06-12 16:47:25,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 16:47:25,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 16:47:25,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 16:47:25,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 16:47:25,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 16:47:25,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 04:47:25" (1/1) ... [2021-06-12 16:47:25,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550331e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:25, skipping insertion in model container [2021-06-12 16:47:25,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 04:47:25" (1/1) ... [2021-06-12 16:47:25,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 16:47:25,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 16:47:25,964 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i[951,964] [2021-06-12 16:47:26,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 16:47:26,115 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 16:47:26,125 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_power.oepc.i[951,964] [2021-06-12 16:47:26,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 16:47:26,219 INFO L208 MainTranslator]: Completed translation [2021-06-12 16:47:26,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26 WrapperNode [2021-06-12 16:47:26,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 16:47:26,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 16:47:26,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 16:47:26,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 16:47:26,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 16:47:26,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 16:47:26,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 16:47:26,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 16:47:26,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (1/1) ... [2021-06-12 16:47:26,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 16:47:26,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 16:47:26,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 16:47:26,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 16:47:26,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (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 [2021-06-12 16:47:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 16:47:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-12 16:47:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 16:47:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 16:47:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-12 16:47:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-12 16:47:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-12 16:47:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-12 16:47:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-12 16:47:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-12 16:47:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-12 16:47:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-12 16:47:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 16:47:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 16:47:26,423 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 16:47:28,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 16:47:28,225 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-12 16:47:28,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:47:28 BoogieIcfgContainer [2021-06-12 16:47:28,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 16:47:28,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 16:47:28,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 16:47:28,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 16:47:28,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 04:47:25" (1/3) ... [2021-06-12 16:47:28,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2000ec56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 04:47:28, skipping insertion in model container [2021-06-12 16:47:28,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 04:47:26" (2/3) ... [2021-06-12 16:47:28,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2000ec56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 04:47:28, skipping insertion in model container [2021-06-12 16:47:28,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:47:28" (3/3) ... [2021-06-12 16:47:28,235 INFO L111 eAbstractionObserver]: Analyzing ICFG mix042_power.oepc.i [2021-06-12 16:47:28,240 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 16:47:28,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 16:47:28,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-12 16:47:28,241 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 16:47:28,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,277 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,283 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,283 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,285 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,288 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,288 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,323 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 16:47:28,331 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 16:47:28,349 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 16:47:28,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 16:47:28,376 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 16:47:28,376 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 16:47:28,376 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 16:47:28,377 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 16:47:28,378 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 16:47:28,378 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 16:47:28,378 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0======== [2021-06-12 16:47:28,391 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 111 transitions, 237 flow [2021-06-12 16:47:29,477 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:29,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 16:47:29,736 INFO L301 ceAbstractionStarter]: Result for error location P0 was SAFE (1/3) [2021-06-12 16:47:29,738 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-12 16:47:29,744 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 16:47:29,744 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 16:47:29,744 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 16:47:29,745 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 16:47:29,745 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 16:47:29,745 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 16:47:29,745 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 16:47:29,745 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 16:47:29,750 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 111 transitions, 237 flow [2021-06-12 16:47:30,552 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-06-12 16:47:30,593 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:30,594 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:30,594 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:30,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:30,598 INFO L82 PathProgramCache]: Analyzing trace with hash 893884751, now seen corresponding path program 1 times [2021-06-12 16:47:30,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:30,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366989458] [2021-06-12 16:47:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:31,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:31,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366989458] [2021-06-12 16:47:31,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366989458] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:31,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:31,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-12 16:47:31,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266068878] [2021-06-12 16:47:31,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-12 16:47:31,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:31,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-12 16:47:31,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-12 16:47:31,071 INFO L87 Difference]: Start difference. First operand has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:31,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:31,931 INFO L93 Difference]: Finished difference Result 44960 states and 159885 transitions. [2021-06-12 16:47:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 16:47:31,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-06-12 16:47:31,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:32,213 INFO L225 Difference]: With dead ends: 44960 [2021-06-12 16:47:32,213 INFO L226 Difference]: Without dead ends: 16000 [2021-06-12 16:47:32,214 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 121.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-12 16:47:32,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16000 states. [2021-06-12 16:47:32,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16000 to 13540. [2021-06-12 16:47:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13540 states, 13538 states have (on average 3.49926133845472) internal successors, (47373), 13539 states have internal predecessors, (47373), 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) [2021-06-12 16:47:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 47373 transitions. [2021-06-12 16:47:32,931 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 47373 transitions. Word has length 70 [2021-06-12 16:47:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:32,933 INFO L482 AbstractCegarLoop]: Abstraction has 13540 states and 47373 transitions. [2021-06-12 16:47:32,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 47373 transitions. [2021-06-12 16:47:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-06-12 16:47:32,955 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:32,955 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:32,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 16:47:32,956 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:32,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:32,956 INFO L82 PathProgramCache]: Analyzing trace with hash 691821104, now seen corresponding path program 1 times [2021-06-12 16:47:32,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:32,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724754418] [2021-06-12 16:47:32,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:33,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:33,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724754418] [2021-06-12 16:47:33,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724754418] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:33,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:33,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-12 16:47:33,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372662295] [2021-06-12 16:47:33,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-12 16:47:33,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:33,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-12 16:47:33,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-12 16:47:33,102 INFO L87 Difference]: Start difference. First operand 13540 states and 47373 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:33,653 INFO L93 Difference]: Finished difference Result 17520 states and 60455 transitions. [2021-06-12 16:47:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-12 16:47:33,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-06-12 16:47:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:33,706 INFO L225 Difference]: With dead ends: 17520 [2021-06-12 16:47:33,706 INFO L226 Difference]: Without dead ends: 13816 [2021-06-12 16:47:33,708 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 181.5ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-12 16:47:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13816 states. [2021-06-12 16:47:34,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13816 to 10761. [2021-06-12 16:47:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10761 states, 10759 states have (on average 3.4793196393716888) internal successors, (37434), 10760 states have internal predecessors, (37434), 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) [2021-06-12 16:47:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10761 states to 10761 states and 37434 transitions. [2021-06-12 16:47:34,130 INFO L78 Accepts]: Start accepts. Automaton has 10761 states and 37434 transitions. Word has length 72 [2021-06-12 16:47:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:34,132 INFO L482 AbstractCegarLoop]: Abstraction has 10761 states and 37434 transitions. [2021-06-12 16:47:34,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10761 states and 37434 transitions. [2021-06-12 16:47:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-12 16:47:34,158 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:34,158 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:34,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-12 16:47:34,158 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:34,159 INFO L82 PathProgramCache]: Analyzing trace with hash 747845393, now seen corresponding path program 1 times [2021-06-12 16:47:34,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:34,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796872196] [2021-06-12 16:47:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:34,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:34,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796872196] [2021-06-12 16:47:34,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796872196] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:34,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:34,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-12 16:47:34,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086449292] [2021-06-12 16:47:34,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-12 16:47:34,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:34,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-12 16:47:34,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-12 16:47:34,320 INFO L87 Difference]: Start difference. First operand 10761 states and 37434 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:34,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:34,477 INFO L93 Difference]: Finished difference Result 12177 states and 41264 transitions. [2021-06-12 16:47:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 16:47:34,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-12 16:47:34,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:34,507 INFO L225 Difference]: With dead ends: 12177 [2021-06-12 16:47:34,508 INFO L226 Difference]: Without dead ends: 8817 [2021-06-12 16:47:34,508 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 83.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-12 16:47:34,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8817 states. [2021-06-12 16:47:34,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8817 to 8817. [2021-06-12 16:47:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8815 states have (on average 3.368576290414067) internal successors, (29694), 8816 states have internal predecessors, (29694), 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) [2021-06-12 16:47:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 29694 transitions. [2021-06-12 16:47:34,881 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 29694 transitions. Word has length 74 [2021-06-12 16:47:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:34,881 INFO L482 AbstractCegarLoop]: Abstraction has 8817 states and 29694 transitions. [2021-06-12 16:47:34,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 29694 transitions. [2021-06-12 16:47:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-06-12 16:47:34,897 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:34,897 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:34,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-12 16:47:34,898 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:34,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1302744205, now seen corresponding path program 1 times [2021-06-12 16:47:34,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:34,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846402951] [2021-06-12 16:47:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:35,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:35,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846402951] [2021-06-12 16:47:35,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846402951] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:35,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:35,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-12 16:47:35,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880317497] [2021-06-12 16:47:35,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-12 16:47:35,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:35,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-12 16:47:35,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-12 16:47:35,022 INFO L87 Difference]: Start difference. First operand 8817 states and 29694 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:35,184 INFO L93 Difference]: Finished difference Result 7821 states and 25475 transitions. [2021-06-12 16:47:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-12 16:47:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-06-12 16:47:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:35,202 INFO L225 Difference]: With dead ends: 7821 [2021-06-12 16:47:35,202 INFO L226 Difference]: Without dead ends: 5352 [2021-06-12 16:47:35,203 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 111.2ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-12 16:47:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2021-06-12 16:47:35,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5292. [2021-06-12 16:47:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5292 states, 5290 states have (on average 3.192060491493384) internal successors, (16886), 5291 states have internal predecessors, (16886), 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) [2021-06-12 16:47:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5292 states to 5292 states and 16886 transitions. [2021-06-12 16:47:35,450 INFO L78 Accepts]: Start accepts. Automaton has 5292 states and 16886 transitions. Word has length 77 [2021-06-12 16:47:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:35,450 INFO L482 AbstractCegarLoop]: Abstraction has 5292 states and 16886 transitions. [2021-06-12 16:47:35,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5292 states and 16886 transitions. [2021-06-12 16:47:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-06-12 16:47:35,461 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:35,461 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:35,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-12 16:47:35,462 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:35,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:35,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1225649461, now seen corresponding path program 1 times [2021-06-12 16:47:35,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:35,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494447344] [2021-06-12 16:47:35,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:35,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:35,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494447344] [2021-06-12 16:47:35,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494447344] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:35,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:35,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-12 16:47:35,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848619766] [2021-06-12 16:47:35,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-12 16:47:35,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:35,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-12 16:47:35,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-12 16:47:35,609 INFO L87 Difference]: Start difference. First operand 5292 states and 16886 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:35,798 INFO L93 Difference]: Finished difference Result 4248 states and 13361 transitions. [2021-06-12 16:47:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-12 16:47:35,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-06-12 16:47:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:35,808 INFO L225 Difference]: With dead ends: 4248 [2021-06-12 16:47:35,808 INFO L226 Difference]: Without dead ends: 2865 [2021-06-12 16:47:35,809 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 136.9ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-12 16:47:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2021-06-12 16:47:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2565. [2021-06-12 16:47:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 3.078783151326053) internal successors, (7894), 2564 states have internal predecessors, (7894), 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) [2021-06-12 16:47:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 7894 transitions. [2021-06-12 16:47:35,870 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 7894 transitions. Word has length 82 [2021-06-12 16:47:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:35,870 INFO L482 AbstractCegarLoop]: Abstraction has 2565 states and 7894 transitions. [2021-06-12 16:47:35,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 7894 transitions. [2021-06-12 16:47:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-06-12 16:47:35,876 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:35,876 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:35,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-12 16:47:35,876 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:35,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:35,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1642767169, now seen corresponding path program 1 times [2021-06-12 16:47:35,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:35,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538456734] [2021-06-12 16:47:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:36,111 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2021-06-12 16:47:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:36,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:36,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538456734] [2021-06-12 16:47:36,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538456734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:36,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:36,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-12 16:47:36,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339997432] [2021-06-12 16:47:36,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-12 16:47:36,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:36,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-12 16:47:36,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-12 16:47:36,141 INFO L87 Difference]: Start difference. First operand 2565 states and 7894 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:36,257 INFO L93 Difference]: Finished difference Result 4455 states and 13815 transitions. [2021-06-12 16:47:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 16:47:36,258 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-06-12 16:47:36,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:36,264 INFO L225 Difference]: With dead ends: 4455 [2021-06-12 16:47:36,264 INFO L226 Difference]: Without dead ends: 2034 [2021-06-12 16:47:36,265 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 194.9ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-06-12 16:47:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2021-06-12 16:47:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1809. [2021-06-12 16:47:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1808 states have (on average 2.959070796460177) internal successors, (5350), 1808 states have internal predecessors, (5350), 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) [2021-06-12 16:47:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 5350 transitions. [2021-06-12 16:47:36,302 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 5350 transitions. Word has length 87 [2021-06-12 16:47:36,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:36,302 INFO L482 AbstractCegarLoop]: Abstraction has 1809 states and 5350 transitions. [2021-06-12 16:47:36,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 5350 transitions. [2021-06-12 16:47:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-06-12 16:47:36,306 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:36,306 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:36,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-12 16:47:36,306 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:36,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:36,307 INFO L82 PathProgramCache]: Analyzing trace with hash 804592703, now seen corresponding path program 2 times [2021-06-12 16:47:36,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:36,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350664505] [2021-06-12 16:47:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:36,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:36,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350664505] [2021-06-12 16:47:36,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350664505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:36,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:36,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-12 16:47:36,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945926765] [2021-06-12 16:47:36,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-12 16:47:36,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:36,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-12 16:47:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-12 16:47:36,440 INFO L87 Difference]: Start difference. First operand 1809 states and 5350 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:36,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:36,508 INFO L93 Difference]: Finished difference Result 2679 states and 8045 transitions. [2021-06-12 16:47:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 16:47:36,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-06-12 16:47:36,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:36,513 INFO L225 Difference]: With dead ends: 2679 [2021-06-12 16:47:36,513 INFO L226 Difference]: Without dead ends: 1620 [2021-06-12 16:47:36,513 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 69.4ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-12 16:47:36,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2021-06-12 16:47:36,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2021-06-12 16:47:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1619 states have (on average 2.9098208770846203) internal successors, (4711), 1619 states have internal predecessors, (4711), 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) [2021-06-12 16:47:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 4711 transitions. [2021-06-12 16:47:36,541 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 4711 transitions. Word has length 87 [2021-06-12 16:47:36,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:36,541 INFO L482 AbstractCegarLoop]: Abstraction has 1620 states and 4711 transitions. [2021-06-12 16:47:36,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 4711 transitions. [2021-06-12 16:47:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-06-12 16:47:36,545 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:36,545 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:36,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-12 16:47:36,545 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:36,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:36,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1463667751, now seen corresponding path program 3 times [2021-06-12 16:47:36,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:36,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536143057] [2021-06-12 16:47:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:36,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:36,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536143057] [2021-06-12 16:47:36,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536143057] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:36,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:36,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-12 16:47:36,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992729854] [2021-06-12 16:47:36,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-12 16:47:36,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:36,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-12 16:47:36,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-12 16:47:36,866 INFO L87 Difference]: Start difference. First operand 1620 states and 4711 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:37,088 INFO L93 Difference]: Finished difference Result 2190 states and 6426 transitions. [2021-06-12 16:47:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-12 16:47:37,089 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-06-12 16:47:37,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:37,093 INFO L225 Difference]: With dead ends: 2190 [2021-06-12 16:47:37,093 INFO L226 Difference]: Without dead ends: 996 [2021-06-12 16:47:37,093 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 186.7ms TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-06-12 16:47:37,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2021-06-12 16:47:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2021-06-12 16:47:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 995 states have (on average 2.7567839195979897) internal successors, (2743), 995 states have internal predecessors, (2743), 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) [2021-06-12 16:47:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 2743 transitions. [2021-06-12 16:47:37,156 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 2743 transitions. Word has length 87 [2021-06-12 16:47:37,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:37,156 INFO L482 AbstractCegarLoop]: Abstraction has 996 states and 2743 transitions. [2021-06-12 16:47:37,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 2743 transitions. [2021-06-12 16:47:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-06-12 16:47:37,158 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:37,158 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:37,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-12 16:47:37,159 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:37,159 INFO L82 PathProgramCache]: Analyzing trace with hash -726057083, now seen corresponding path program 4 times [2021-06-12 16:47:37,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:37,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470936249] [2021-06-12 16:47:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 16:47:37,248 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 16:47:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 16:47:37,311 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 16:47:37,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-12 16:47:37,372 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-12 16:47:37,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-12 16:47:37,372 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-12 16:47:37,374 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 16:47:37,375 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 16:47:37,375 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 16:47:37,375 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 16:47:37,376 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 16:47:37,376 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 16:47:37,376 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 16:47:37,376 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 16:47:37,376 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0Thread1of1ForFork0======== [2021-06-12 16:47:37,380 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 111 transitions, 237 flow [2021-06-12 16:47:38,276 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 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) [2021-06-12 16:47:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-12 16:47:38,303 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 16:47:38,303 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 16:47:38,303 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 16:47:38,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 16:47:38,303 INFO L82 PathProgramCache]: Analyzing trace with hash 584690020, now seen corresponding path program 1 times [2021-06-12 16:47:38,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 16:47:38,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686032041] [2021-06-12 16:47:38,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 16:47:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 16:47:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 16:47:38,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 16:47:38,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686032041] [2021-06-12 16:47:38,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686032041] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 16:47:38,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 16:47:38,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-12 16:47:38,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171383294] [2021-06-12 16:47:38,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 16:47:38,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 16:47:38,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 16:47:38,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 16:47:38,352 INFO L87 Difference]: Start difference. First operand has 20049 states, 20045 states have (on average 3.6667498129209277) internal successors, (73500), 20048 states have internal predecessors, (73500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 16:47:38,470 INFO L93 Difference]: Finished difference Result 17186 states and 61475 transitions. [2021-06-12 16:47:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 16:47:38,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-06-12 16:47:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 16:47:38,471 INFO L225 Difference]: With dead ends: 17186 [2021-06-12 16:47:38,471 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 16:47:38,471 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 16:47:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 16:47:38,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 16:47:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-12 16:47:38,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 16:47:38,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-06-12 16:47:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 16:47:38,472 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 16:47:38,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 16:47:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 16:47:38,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 16:47:38,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-12 16:47:38,473 INFO L301 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork0 was SAFE (3/3) [2021-06-12 16:47:38,474 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-12 16:47:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 04:47:38 BasicIcfg [2021-06-12 16:47:38,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 16:47:38,599 INFO L168 Benchmark]: Toolchain (without parser) took 12848.65 ms. Allocated memory was 205.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 167.9 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 565.0 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,600 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 205.5 MB. Free memory is still 186.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 16:47:38,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.42 ms. Allocated memory is still 205.5 MB. Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.63 ms. Allocated memory is still 205.5 MB. Free memory was 163.3 MB in the beginning and 160.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,600 INFO L168 Benchmark]: Boogie Preprocessor took 61.44 ms. Allocated memory is still 205.5 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,601 INFO L168 Benchmark]: RCFGBuilder took 1876.06 ms. Allocated memory was 205.5 MB in the beginning and 249.6 MB in the end (delta: 44.0 MB). Free memory was 158.6 MB in the beginning and 129.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,601 INFO L168 Benchmark]: TraceAbstraction took 10369.85 ms. Allocated memory was 249.6 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 128.5 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 480.0 MB. Max. memory is 8.0 GB. [2021-06-12 16:47:38,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 205.5 MB. Free memory is still 186.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 468.42 ms. Allocated memory is still 205.5 MB. Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.63 ms. Allocated memory is still 205.5 MB. Free memory was 163.3 MB in the beginning and 160.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.44 ms. Allocated memory is still 205.5 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1876.06 ms. Allocated memory was 205.5 MB in the beginning and 249.6 MB in the end (delta: 44.0 MB). Free memory was 158.6 MB in the beginning and 129.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10369.85 ms. Allocated memory was 249.6 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 128.5 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 480.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0] [L715] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L717] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L718] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0] [L719] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L720] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L721] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L722] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L723] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0] [L724] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0] [L725] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L726] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L727] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L728] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0] [L729] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L730] 0 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L731] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L732] 0 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L733] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L734] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L735] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L737] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L739] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L741] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L743] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L843] 0 pthread_t t1105; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L844] FCALL, FORK 0 pthread_create(&t1105, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L845] 0 pthread_t t1106; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L846] FCALL, FORK 0 pthread_create(&t1106, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L847] 0 pthread_t t1107; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L848] FCALL, FORK 0 pthread_create(&t1107, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L747] 1 a$w_buff1 = a$w_buff0 [L748] 1 a$w_buff0 = 1 [L749] 1 a$w_buff1_used = a$w_buff0_used [L750] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L752] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L753] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L754] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L755] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L756] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L776] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L779] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L783] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L784] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L785] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L786] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L796] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L799] 3 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L802] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 a$flush_delayed = weak$$choice2 [L808] 3 a$mem_tmp = a [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L809] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L810] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L810] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L810] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L810] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L811] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L811] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L811] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L811] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L812] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L812] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L812] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L812] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L813] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L814] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L814] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L814] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L815] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EBX = a [L817] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L817] 3 a = a$flush_delayed ? a$mem_tmp : a [L818] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L821] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L821] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L821] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L821] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L822] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L822] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L823] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L823] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L824] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L824] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L825] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L825] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L762] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L763] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L764] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L765] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L854] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L854] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L854] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L854] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L855] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L855] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L856] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L856] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L857] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L857] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L858] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L858] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L861] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0 with 1 thread instances CFG has 7 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1362.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 258.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1098.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20049occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7628.0ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 126.5ms, AutomataDifference: 2787.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 807.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1236 SDtfs, 1831 SDslu, 4331 SDs, 0 SdLazy, 402 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 423.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1085.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20049occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1936.0ms AutomataMinimizationTime, 8 MinimizatonAttempts, 6100 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 37.9ms SsaConstructionTime, 530.2ms SatisfiabilityAnalysisTime, 1099.7ms InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 628 ConstructedInterpolants, 0 QuantifiedInterpolants, 2665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1097.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 26.1ms, AutomataDifference: 145.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 900.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 99 SDtfs, 51 SDslu, 80 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20049occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0ms SsaConstructionTime, 3.2ms SatisfiabilityAnalysisTime, 13.9ms InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...