/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi008_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:47:35,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:47:35,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:47:35,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:47:35,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:47:35,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:47:35,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:47:35,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:47:35,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:47:35,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:47:35,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:47:35,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:47:35,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:47:35,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:47:35,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:47:35,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:47:35,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:47:35,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:47:35,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:47:35,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:47:35,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:47:35,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:47:35,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:47:35,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:47:35,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:47:35,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:47:35,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:47:35,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:47:35,889 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-PN-SemanticLbe.epf [2021-03-24 19:47:35,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:47:35,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:47:35,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:47:35,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:47:35,919 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:47:35,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:47:35,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:47:35,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:47:35,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:47:35,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:47:35,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:47:35,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:47:35,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:47:35,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:47:35,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:47:35,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:47:35,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:47:36,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:47:36,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:47:36,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:47:36,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:47:36,220 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:47:36,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi008_tso.oepc.i [2021-03-24 19:47:36,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95759aa0a/f9e7c9947de043a8b9dce31a3737d5f8/FLAG8728ec2b0 [2021-03-24 19:47:36,693 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:47:36,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi008_tso.oepc.i [2021-03-24 19:47:36,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95759aa0a/f9e7c9947de043a8b9dce31a3737d5f8/FLAG8728ec2b0 [2021-03-24 19:47:36,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95759aa0a/f9e7c9947de043a8b9dce31a3737d5f8 [2021-03-24 19:47:36,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:47:36,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:47:36,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:47:36,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:47:36,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:47:36,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:47:36" (1/1) ... [2021-03-24 19:47:36,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6720b928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:36, skipping insertion in model container [2021-03-24 19:47:36,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:47:36" (1/1) ... [2021-03-24 19:47:36,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:47:36,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:47:36,876 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi008_tso.oepc.i[992,1005] [2021-03-24 19:47:37,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:47:37,089 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:47:37,098 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi008_tso.oepc.i[992,1005] [2021-03-24 19:47:37,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:47:37,191 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:47:37,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37 WrapperNode [2021-03-24 19:47:37,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:47:37,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:47:37,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:47:37,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:47:37,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:47:37,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:47:37,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:47:37,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:47:37,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... [2021-03-24 19:47:37,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:47:37,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:47:37,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:47:37,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:47:37,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:47:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:47:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:47:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:47:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:47:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:47:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:47:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:47:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:47:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:47:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:47:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:47:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:47:37,311 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:47:38,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:47:38,842 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:47:38,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:47:38 BoogieIcfgContainer [2021-03-24 19:47:38,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:47:38,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:47:38,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:47:38,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:47:38,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:47:36" (1/3) ... [2021-03-24 19:47:38,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e3bd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:47:38, skipping insertion in model container [2021-03-24 19:47:38,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:47:37" (2/3) ... [2021-03-24 19:47:38,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e3bd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:47:38, skipping insertion in model container [2021-03-24 19:47:38,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:47:38" (3/3) ... [2021-03-24 19:47:38,848 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi008_tso.oepc.i [2021-03-24 19:47:38,852 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:47:38,855 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:47:38,856 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:47:38,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,881 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:47:38,911 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:47:38,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 19:47:38,934 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:47:38,934 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:47:38,934 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:47:38,934 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:47:38,934 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:47:38,934 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:47:38,934 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:47:38,934 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:47:38,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 19:47:38,960 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 19:47:38,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:47:38,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-24 19:47:38,962 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 19:47:38,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-24 19:47:38,966 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:47:38,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 19:47:38,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 19:47:38,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-24 19:47:38,987 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 19:47:38,987 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:47:38,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-24 19:47:38,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 1066 [2021-03-24 19:47:39,599 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:47:39,952 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:47:41,182 INFO L154 LiptonReduction]: Checked pairs total: 2144 [2021-03-24 19:47:41,182 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-24 19:47:41,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2218 [2021-03-24 19:47:41,188 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-24 19:47:41,189 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:47:41,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:41,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:41,189 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:41,192 INFO L82 PathProgramCache]: Analyzing trace with hash -5589182, now seen corresponding path program 1 times [2021-03-24 19:47:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:41,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438610508] [2021-03-24 19:47:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:41,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:41,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438610508] [2021-03-24 19:47:41,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:41,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:47:41,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286592151] [2021-03-24 19:47:41,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:47:41,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:41,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:47:41,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:47:41,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2021-03-24 19:47:41,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:41,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2021-03-24 19:47:41,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:41,549 INFO L129 PetriNetUnfolder]: 23/87 cut-off events. [2021-03-24 19:47:41,550 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:47:41,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 87 events. 23/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 324 event pairs, 2 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 125. Up to 40 conditions per place. [2021-03-24 19:47:41,551 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 8 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2021-03-24 19:47:41,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 33 transitions, 92 flow [2021-03-24 19:47:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:47:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:47:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-24 19:47:41,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8676122931442081 [2021-03-24 19:47:41,567 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-24 19:47:41,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-24 19:47:41,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:41,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-24 19:47:41,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,586 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 367 transitions. [2021-03-24 19:47:41,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 33 transitions, 92 flow [2021-03-24 19:47:41,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 33 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:47:41,590 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-24 19:47:41,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-24 19:47:41,592 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-24 19:47:41,593 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 68 flow [2021-03-24 19:47:41,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:41,596 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:41,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:47:41,596 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:41,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:41,597 INFO L82 PathProgramCache]: Analyzing trace with hash 987387629, now seen corresponding path program 1 times [2021-03-24 19:47:41,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:41,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271256185] [2021-03-24 19:47:41,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:41,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 19:47:41,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:47:41,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:41,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271256185] [2021-03-24 19:47:41,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:41,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:47:41,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305842684] [2021-03-24 19:47:41,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:47:41,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:41,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:47:41,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:47:41,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 19:47:41,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:41,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 19:47:41,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:41,740 INFO L129 PetriNetUnfolder]: 50/175 cut-off events. [2021-03-24 19:47:41,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:47:41,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 175 events. 50/175 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 844 event pairs, 30 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 268. Up to 67 conditions per place. [2021-03-24 19:47:41,742 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 7 selfloop transitions, 3 changer transitions 13/41 dead transitions. [2021-03-24 19:47:41,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 130 flow [2021-03-24 19:47:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:47:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:47:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 597 transitions. [2021-03-24 19:47:41,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8468085106382979 [2021-03-24 19:47:41,744 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 597 transitions. [2021-03-24 19:47:41,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 597 transitions. [2021-03-24 19:47:41,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:41,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 597 transitions. [2021-03-24 19:47:41,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,748 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,748 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 68 flow. Second operand 5 states and 597 transitions. [2021-03-24 19:47:41,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 130 flow [2021-03-24 19:47:41,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 41 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:47:41,749 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 83 flow [2021-03-24 19:47:41,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=83, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-03-24 19:47:41,749 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 19:47:41,750 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 83 flow [2021-03-24 19:47:41,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:41,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:41,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:47:41,750 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:41,750 INFO L82 PathProgramCache]: Analyzing trace with hash -307800547, now seen corresponding path program 1 times [2021-03-24 19:47:41,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:41,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440301540] [2021-03-24 19:47:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:41,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:41,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:41,857 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 19:47:41,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:47:41,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:41,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:41,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440301540] [2021-03-24 19:47:41,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:41,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:47:41,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820518184] [2021-03-24 19:47:41,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:47:41,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:41,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:47:41,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:47:41,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 19:47:41,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:41,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 19:47:41,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:41,924 INFO L129 PetriNetUnfolder]: 21/75 cut-off events. [2021-03-24 19:47:41,924 INFO L130 PetriNetUnfolder]: For 44/52 co-relation queries the response was YES. [2021-03-24 19:47:41,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 75 events. 21/75 cut-off events. For 44/52 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 209 event pairs, 6 based on Foata normal form. 6/79 useless extension candidates. Maximal degree in co-relation 158. Up to 37 conditions per place. [2021-03-24 19:47:41,926 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 7 selfloop transitions, 4 changer transitions 5/34 dead transitions. [2021-03-24 19:47:41,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 133 flow [2021-03-24 19:47:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 19:47:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 19:47:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 707 transitions. [2021-03-24 19:47:41,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8356973995271868 [2021-03-24 19:47:41,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 707 transitions. [2021-03-24 19:47:41,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 707 transitions. [2021-03-24 19:47:41,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:41,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 707 transitions. [2021-03-24 19:47:41,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 117.83333333333333) internal successors, (707), 6 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,932 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 83 flow. Second operand 6 states and 707 transitions. [2021-03-24 19:47:41,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 133 flow [2021-03-24 19:47:41,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 124 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 19:47:41,934 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 93 flow [2021-03-24 19:47:41,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=93, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-03-24 19:47:41,935 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 19:47:41,935 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 93 flow [2021-03-24 19:47:41,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:41,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:41,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:41,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:47:41,935 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:41,936 INFO L82 PathProgramCache]: Analyzing trace with hash -984922108, now seen corresponding path program 1 times [2021-03-24 19:47:41,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:41,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548539833] [2021-03-24 19:47:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:42,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:42,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548539833] [2021-03-24 19:47:42,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:42,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:47:42,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119003680] [2021-03-24 19:47:42,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:47:42,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:42,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:47:42,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:47:42,010 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 141 [2021-03-24 19:47:42,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:42,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 141 [2021-03-24 19:47:42,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:42,041 INFO L129 PetriNetUnfolder]: 1/36 cut-off events. [2021-03-24 19:47:42,041 INFO L130 PetriNetUnfolder]: For 24/27 co-relation queries the response was YES. [2021-03-24 19:47:42,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 36 events. 1/36 cut-off events. For 24/27 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 3/39 useless extension candidates. Maximal degree in co-relation 63. Up to 8 conditions per place. [2021-03-24 19:47:42,043 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 2 selfloop transitions, 3 changer transitions 2/30 dead transitions. [2021-03-24 19:47:42,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 119 flow [2021-03-24 19:47:42,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:47:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:47:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 623 transitions. [2021-03-24 19:47:42,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8836879432624114 [2021-03-24 19:47:42,045 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 623 transitions. [2021-03-24 19:47:42,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 623 transitions. [2021-03-24 19:47:42,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:42,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 623 transitions. [2021-03-24 19:47:42,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,048 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,048 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 93 flow. Second operand 5 states and 623 transitions. [2021-03-24 19:47:42,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 119 flow [2021-03-24 19:47:42,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 103 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-24 19:47:42,050 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 94 flow [2021-03-24 19:47:42,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=94, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-03-24 19:47:42,050 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 19:47:42,050 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 94 flow [2021-03-24 19:47:42,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:42,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:42,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:47:42,051 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1738545940, now seen corresponding path program 1 times [2021-03-24 19:47:42,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:42,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388117739] [2021-03-24 19:47:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:42,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:42,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388117739] [2021-03-24 19:47:42,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:42,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:47:42,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358924120] [2021-03-24 19:47:42,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:47:42,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:42,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:47:42,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:47:42,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 19:47:42,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:42,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 19:47:42,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:42,168 INFO L129 PetriNetUnfolder]: 7/53 cut-off events. [2021-03-24 19:47:42,168 INFO L130 PetriNetUnfolder]: For 28/29 co-relation queries the response was YES. [2021-03-24 19:47:42,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 53 events. 7/53 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 119 event pairs, 2 based on Foata normal form. 5/57 useless extension candidates. Maximal degree in co-relation 99. Up to 18 conditions per place. [2021-03-24 19:47:42,169 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 4 selfloop transitions, 5 changer transitions 3/35 dead transitions. [2021-03-24 19:47:42,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 35 transitions, 132 flow [2021-03-24 19:47:42,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:47:42,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:47:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 589 transitions. [2021-03-24 19:47:42,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8354609929078014 [2021-03-24 19:47:42,170 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 589 transitions. [2021-03-24 19:47:42,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 589 transitions. [2021-03-24 19:47:42,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:42,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 589 transitions. [2021-03-24 19:47:42,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,173 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,173 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 94 flow. Second operand 5 states and 589 transitions. [2021-03-24 19:47:42,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 35 transitions, 132 flow [2021-03-24 19:47:42,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 120 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-24 19:47:42,175 INFO L241 Difference]: Finished difference. Result has 42 places, 32 transitions, 119 flow [2021-03-24 19:47:42,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=119, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2021-03-24 19:47:42,175 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 19:47:42,175 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 119 flow [2021-03-24 19:47:42,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:42,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:42,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:47:42,176 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 678657783, now seen corresponding path program 1 times [2021-03-24 19:47:42,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:42,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946338381] [2021-03-24 19:47:42,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:42,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:42,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946338381] [2021-03-24 19:47:42,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:42,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:47:42,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560125845] [2021-03-24 19:47:42,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:47:42,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:42,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:47:42,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:47:42,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 141 [2021-03-24 19:47:42,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:42,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 141 [2021-03-24 19:47:42,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:42,325 INFO L129 PetriNetUnfolder]: 7/82 cut-off events. [2021-03-24 19:47:42,326 INFO L130 PetriNetUnfolder]: For 69/77 co-relation queries the response was YES. [2021-03-24 19:47:42,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 82 events. 7/82 cut-off events. For 69/77 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 289 event pairs, 2 based on Foata normal form. 6/88 useless extension candidates. Maximal degree in co-relation 185. Up to 24 conditions per place. [2021-03-24 19:47:42,326 INFO L132 encePairwiseOnDemand]: 137/141 looper letters, 8 selfloop transitions, 2 changer transitions 2/36 dead transitions. [2021-03-24 19:47:42,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 36 transitions, 160 flow [2021-03-24 19:47:42,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:47:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:47:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 597 transitions. [2021-03-24 19:47:42,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8468085106382979 [2021-03-24 19:47:42,328 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 597 transitions. [2021-03-24 19:47:42,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 597 transitions. [2021-03-24 19:47:42,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:42,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 597 transitions. [2021-03-24 19:47:42,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,331 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,331 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 119 flow. Second operand 5 states and 597 transitions. [2021-03-24 19:47:42,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 36 transitions, 160 flow [2021-03-24 19:47:42,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 36 transitions, 160 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 19:47:42,334 INFO L241 Difference]: Finished difference. Result has 49 places, 33 transitions, 134 flow [2021-03-24 19:47:42,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=134, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2021-03-24 19:47:42,335 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 11 predicate places. [2021-03-24 19:47:42,335 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 33 transitions, 134 flow [2021-03-24 19:47:42,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:42,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:47:42,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:47:42,335 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1174377247, now seen corresponding path program 2 times [2021-03-24 19:47:42,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:42,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787155434] [2021-03-24 19:47:42,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:42,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:42,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787155434] [2021-03-24 19:47:42,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:42,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:47:42,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612967956] [2021-03-24 19:47:42,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:47:42,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:42,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:47:42,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:47:42,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 19:47:42,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 33 transitions, 134 flow. Second operand has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:42,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 19:47:42,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:42,449 INFO L129 PetriNetUnfolder]: 5/60 cut-off events. [2021-03-24 19:47:42,450 INFO L130 PetriNetUnfolder]: For 69/91 co-relation queries the response was YES. [2021-03-24 19:47:42,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 60 events. 5/60 cut-off events. For 69/91 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 158 event pairs, 0 based on Foata normal form. 29/89 useless extension candidates. Maximal degree in co-relation 158. Up to 20 conditions per place. [2021-03-24 19:47:42,450 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 2 selfloop transitions, 5 changer transitions 8/36 dead transitions. [2021-03-24 19:47:42,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 36 transitions, 172 flow [2021-03-24 19:47:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:47:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:47:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 819 transitions. [2021-03-24 19:47:42,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2021-03-24 19:47:42,453 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 819 transitions. [2021-03-24 19:47:42,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 819 transitions. [2021-03-24 19:47:42,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:42,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 819 transitions. [2021-03-24 19:47:42,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,456 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 141.0) internal successors, (1128), 8 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,456 INFO L185 Difference]: Start difference. First operand has 49 places, 33 transitions, 134 flow. Second operand 7 states and 819 transitions. [2021-03-24 19:47:42,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 36 transitions, 172 flow [2021-03-24 19:47:42,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 36 transitions, 157 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 19:47:42,458 INFO L241 Difference]: Finished difference. Result has 53 places, 28 transitions, 113 flow [2021-03-24 19:47:42,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=113, PETRI_PLACES=53, PETRI_TRANSITIONS=28} [2021-03-24 19:47:42,458 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2021-03-24 19:47:42,458 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 28 transitions, 113 flow [2021-03-24 19:47:42,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:42,458 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 19:47:42,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:47:42,459 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:42,459 INFO L82 PathProgramCache]: Analyzing trace with hash 682494338, now seen corresponding path program 1 times [2021-03-24 19:47:42,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:42,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991492796] [2021-03-24 19:47:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:47:42,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:47:42,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:47:42,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:47:42,661 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-03-24 19:47:42,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 19:47:42,692 INFO L142 QuantifierPusher]: treesize reduction 190, result has 50.0 percent of original size [2021-03-24 19:47:42,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-03-24 19:47:42,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:47:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:47:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:47:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:47:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:47:42,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991492796] [2021-03-24 19:47:42,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:47:42,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:47:42,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609081591] [2021-03-24 19:47:42,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:47:42,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:47:42,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:47:42,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:47:42,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 141 [2021-03-24 19:47:42,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 28 transitions, 113 flow. Second operand has 10 states, 10 states have (on average 93.3) internal successors, (933), 10 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:47:42,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 141 [2021-03-24 19:47:42,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:47:42,960 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-03-24 19:47:42,960 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-03-24 19:47:42,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 46 events. 3/46 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 119. Up to 11 conditions per place. [2021-03-24 19:47:42,960 INFO L132 encePairwiseOnDemand]: 129/141 looper letters, 5 selfloop transitions, 9 changer transitions 4/33 dead transitions. [2021-03-24 19:47:42,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 33 transitions, 169 flow [2021-03-24 19:47:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:47:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:47:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1031 transitions. [2021-03-24 19:47:42,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6647324306898775 [2021-03-24 19:47:42,963 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1031 transitions. [2021-03-24 19:47:42,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1031 transitions. [2021-03-24 19:47:42,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:47:42,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1031 transitions. [2021-03-24 19:47:42,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 93.72727272727273) internal successors, (1031), 11 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,968 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,968 INFO L185 Difference]: Start difference. First operand has 53 places, 28 transitions, 113 flow. Second operand 11 states and 1031 transitions. [2021-03-24 19:47:42,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 33 transitions, 169 flow [2021-03-24 19:47:42,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 33 transitions, 132 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-03-24 19:47:42,969 INFO L241 Difference]: Finished difference. Result has 51 places, 28 transitions, 114 flow [2021-03-24 19:47:42,969 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=114, PETRI_PLACES=51, PETRI_TRANSITIONS=28} [2021-03-24 19:47:42,969 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2021-03-24 19:47:42,969 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 28 transitions, 114 flow [2021-03-24 19:47:42,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 93.3) internal successors, (933), 10 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:47:42,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:47:42,970 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 19:47:42,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:47:42,970 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:47:42,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:47:42,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1768729346, now seen corresponding path program 2 times [2021-03-24 19:47:42,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:47:42,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579389311] [2021-03-24 19:47:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:47:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:47:42,995 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:47:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:47:43,023 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:47:43,056 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:47:43,057 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:47:43,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:47:43,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:47:43 BasicIcfg [2021-03-24 19:47:43,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:47:43,138 INFO L168 Benchmark]: Toolchain (without parser) took 6424.33 ms. Allocated memory was 337.6 MB in the beginning and 406.8 MB in the end (delta: 69.2 MB). Free memory was 300.0 MB in the beginning and 254.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 115.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:47:43,138 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 337.6 MB. Free memory was 318.5 MB in the beginning and 318.4 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:47:43,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.01 ms. Allocated memory is still 337.6 MB. Free memory was 299.8 MB in the beginning and 297.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-03-24 19:47:43,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 337.6 MB. Free memory was 297.9 MB in the beginning and 294.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:47:43,141 INFO L168 Benchmark]: Boogie Preprocessor took 22.04 ms. Allocated memory is still 337.6 MB. Free memory was 294.8 MB in the beginning and 292.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:47:43,141 INFO L168 Benchmark]: RCFGBuilder took 1595.31 ms. Allocated memory is still 337.6 MB. Free memory was 292.7 MB in the beginning and 166.8 MB in the end (delta: 125.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 16.0 GB. [2021-03-24 19:47:43,142 INFO L168 Benchmark]: TraceAbstraction took 4292.55 ms. Allocated memory was 337.6 MB in the beginning and 406.8 MB in the end (delta: 69.2 MB). Free memory was 166.8 MB in the beginning and 254.5 MB in the end (delta: -87.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:47:43,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 337.6 MB. Free memory was 318.5 MB in the beginning and 318.4 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 477.01 ms. Allocated memory is still 337.6 MB. Free memory was 299.8 MB in the beginning and 297.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 337.6 MB. Free memory was 297.9 MB in the beginning and 294.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.04 ms. Allocated memory is still 337.6 MB. Free memory was 294.8 MB in the beginning and 292.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1595.31 ms. Allocated memory is still 337.6 MB. Free memory was 292.7 MB in the beginning and 166.8 MB in the end (delta: 125.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4292.55 ms. Allocated memory was 337.6 MB in the beginning and 406.8 MB in the end (delta: 69.2 MB). Free memory was 166.8 MB in the beginning and 254.5 MB in the end (delta: -87.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2207.0ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1066 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 2144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1090, positive: 1011, positive conditional: 0, positive unconditional: 1011, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 646, positive: 620, positive conditional: 0, positive unconditional: 620, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 646, positive: 620, positive conditional: 0, positive unconditional: 620, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 646, positive: 612, positive conditional: 0, positive unconditional: 612, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 367, negative conditional: 0, negative unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1090, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 646, unknown conditional: 0, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 94, Positive conditional cache size: 0, Positive unconditional cache size: 94, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L718] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L722] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L723] 0 int x$mem_tmp; [L724] 0 _Bool x$r_buff0_thd0; [L725] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L726] 0 _Bool x$r_buff0_thd2; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$read_delayed; [L731] 0 int *x$read_delayed_var; [L732] 0 int x$w_buff0; [L733] 0 _Bool x$w_buff0_used; [L734] 0 int x$w_buff1; [L735] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L737] 0 int y = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L831] 0 pthread_t t1733; [L832] FCALL, FORK 0 pthread_create(&t1733, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L833] 0 pthread_t t1734; [L834] FCALL, FORK 0 pthread_create(&t1734, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L743] 1 x$w_buff1 = x$w_buff0 [L744] 1 x$w_buff0 = 1 [L745] 1 x$w_buff1_used = x$w_buff0_used [L746] 1 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 1 !(!expression) [L748] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L749] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L750] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L751] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 x$flush_delayed = weak$$choice2 [L757] 1 x$mem_tmp = x [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L758] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L759] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L759] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L760] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L760] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L761] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L761] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L763] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = x [L766] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L766] 1 x = x$flush_delayed ? x$mem_tmp : x [L767] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L770] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L787] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L790] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L794] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L795] 2 x$flush_delayed = weak$$choice2 [L796] 2 x$mem_tmp = x [L797] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L797] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L798] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L798] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L799] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L799] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L800] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L800] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L801] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L801] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L802] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L803] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L803] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L804] 2 __unbuffered_p1_EBX = x [L805] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L805] 2 x = x$flush_delayed ? x$mem_tmp : x [L806] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L809] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L809] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L809] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L809] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L810] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L810] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L811] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L811] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L812] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L812] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L813] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L813] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L773] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L773] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L774] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L774] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L775] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L775] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L776] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L776] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L777] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L777] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L780] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 1 return 0; [L816] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 2 return 0; [L836] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L841] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L841] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L842] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L843] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L844] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L847] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4125.7ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 527.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2252.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49 SDtfs, 34 SDslu, 57 SDs, 0 SdLazy, 166 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 150.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 275.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=6, InterpolantAutomatonStates: 47, 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: TRACE_CHECK: 22.0ms SsaConstructionTime, 347.5ms SatisfiabilityAnalysisTime, 671.3ms InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...