/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:50:00,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:50:00,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:50:00,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:50:00,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:50:00,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:50:00,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:50:00,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:50:00,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:50:00,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:50:00,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:50:00,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:50:00,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:50:00,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:50:00,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:50:00,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:50:00,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:50:00,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:50:00,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:50:00,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:50:00,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:50:00,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:50:00,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:50:00,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:50:00,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 14:50:00,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 14:50:00,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 14:50:00,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 14:50:00,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 14:50:00,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 14:50:00,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:50:00,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:50:00,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:50:00,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:50:00,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:50:00,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:50:00,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:50:00,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:50:00,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:50:00,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:50:00,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:50:00,849 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-RepeatedSemanticLbe.epf [2021-03-25 14:50:00,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:50:00,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:50:00,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:50:00,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:50:00,886 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:50:00,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:50:00,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:50:00,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:50:00,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:50:00,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:50:00,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:50:00,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:50:00,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:50:00,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:50:00,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:50:00,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:50:00,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:50:00,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:50:00,889 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:50:01,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:50:01,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:50:01,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:50:01,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:50:01,215 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:50:01,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt.i [2021-03-25 14:50:01,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2930a344/8d3788edaf4840d1b9983f54774b234e/FLAG1c7f63e79 [2021-03-25 14:50:01,849 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:50:01,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.opt.i [2021-03-25 14:50:01,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2930a344/8d3788edaf4840d1b9983f54774b234e/FLAG1c7f63e79 [2021-03-25 14:50:02,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2930a344/8d3788edaf4840d1b9983f54774b234e [2021-03-25 14:50:02,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:50:02,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:50:02,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:50:02,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:50:02,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:50:02,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a09635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02, skipping insertion in model container [2021-03-25 14:50:02,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:50:02,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:50:02,496 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/safe006_power.opt.i[951,964] [2021-03-25 14:50:02,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:50:02,672 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:50:02,688 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/safe006_power.opt.i[951,964] [2021-03-25 14:50:02,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:50:02,839 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:50:02,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02 WrapperNode [2021-03-25 14:50:02,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:50:02,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:50:02,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:50:02,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:50:02,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:50:02,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:50:02,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:50:02,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:50:02,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (1/1) ... [2021-03-25 14:50:02,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:50:02,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:50:02,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:50:02,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:50:02,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (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 [2021-03-25 14:50:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 14:50:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:50:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:50:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:50:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:50:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:50:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:50:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:50:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:50:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:50:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:50:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:50:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:50:03,057 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:50:05,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:50:05,850 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:50:05,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:50:05 BoogieIcfgContainer [2021-03-25 14:50:05,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:50:05,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:50:05,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:50:05,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:50:05,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:50:02" (1/3) ... [2021-03-25 14:50:05,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508448ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:50:05, skipping insertion in model container [2021-03-25 14:50:05,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:50:02" (2/3) ... [2021-03-25 14:50:05,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508448ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:50:05, skipping insertion in model container [2021-03-25 14:50:05,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:50:05" (3/3) ... [2021-03-25 14:50:05,859 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_power.opt.i [2021-03-25 14:50:05,865 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:50:05,870 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:50:05,871 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:50:05,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,919 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:05,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:50:06,004 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:50:06,022 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 14:50:06,052 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:50:06,052 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:50:06,052 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:50:06,052 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:50:06,052 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:50:06,052 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:50:06,052 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:50:06,052 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:50:06,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 204 flow [2021-03-25 14:50:06,114 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-25 14:50:06,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:06,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-25 14:50:06,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 204 flow [2021-03-25 14:50:06,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 95 transitions, 196 flow [2021-03-25 14:50:06,133 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:06,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 95 transitions, 196 flow [2021-03-25 14:50:06,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 95 transitions, 196 flow [2021-03-25 14:50:06,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 95 transitions, 196 flow [2021-03-25 14:50:06,165 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-25 14:50:06,166 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:06,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-25 14:50:06,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 926 [2021-03-25 14:50:12,286 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 406 DAG size of output: 364 [2021-03-25 14:50:13,166 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-03-25 14:50:17,558 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 566 DAG size of output: 532 [2021-03-25 14:50:19,598 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 528 [2021-03-25 14:50:19,848 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-25 14:50:20,338 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 96 [2021-03-25 14:50:20,492 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-25 14:50:28,826 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-03-25 14:50:29,006 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-03-25 14:50:29,135 INFO L154 LiptonReduction]: Checked pairs total: 1624 [2021-03-25 14:50:29,135 INFO L156 LiptonReduction]: Total number of compositions: 67 [2021-03-25 14:50:29,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23008 [2021-03-25 14:50:29,148 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 14:50:29,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:29,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:29,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:50:29,149 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:29,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:29,156 INFO L82 PathProgramCache]: Analyzing trace with hash 841016639, now seen corresponding path program 1 times [2021-03-25 14:50:29,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:29,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133650529] [2021-03-25 14:50:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:29,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:29,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:50:29,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:29,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:50:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:29,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133650529] [2021-03-25 14:50:29,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:29,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:50:29,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376828553] [2021-03-25 14:50:29,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:50:29,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:29,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:50:29,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:50:29,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 164 [2021-03-25 14:50:29,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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) [2021-03-25 14:50:29,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:29,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 164 [2021-03-25 14:50:29,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:29,611 INFO L129 PetriNetUnfolder]: 16/91 cut-off events. [2021-03-25 14:50:29,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:29,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 91 events. 16/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 315 event pairs, 5 based on Foata normal form. 9/93 useless extension candidates. Maximal degree in co-relation 111. Up to 27 conditions per place. [2021-03-25 14:50:29,615 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 7 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2021-03-25 14:50:29,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 36 transitions, 96 flow [2021-03-25 14:50:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:50:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:50:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2021-03-25 14:50:29,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9085365853658537 [2021-03-25 14:50:29,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2021-03-25 14:50:29,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2021-03-25 14:50:29,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:29,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2021-03-25 14:50:29,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2021-03-25 14:50:29,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-25 14:50:29,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-25 14:50:29,662 INFO L185 Difference]: Start difference. First operand has 42 places, 36 transitions, 78 flow. Second operand 3 states and 447 transitions. [2021-03-25 14:50:29,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 36 transitions, 96 flow [2021-03-25 14:50:29,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 36 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:50:29,668 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 74 flow [2021-03-25 14:50:29,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-03-25 14:50:29,670 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2021-03-25 14:50:29,671 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:29,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 74 flow [2021-03-25 14:50:29,672 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 74 flow [2021-03-25 14:50:29,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 74 flow [2021-03-25 14:50:29,677 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-03-25 14:50:29,677 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:29,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:50:29,679 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-25 14:50:30,373 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 14:50:33,929 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-03-25 14:50:34,057 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-25 14:50:34,343 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-03-25 14:50:34,463 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-25 14:50:35,179 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2021-03-25 14:50:35,450 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-03-25 14:50:35,997 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2021-03-25 14:50:36,241 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-03-25 14:50:36,244 INFO L154 LiptonReduction]: Checked pairs total: 856 [2021-03-25 14:50:36,245 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-25 14:50:36,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6574 [2021-03-25 14:50:36,246 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 42 flow [2021-03-25 14:50:36,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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) [2021-03-25 14:50:36,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:36,246 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] [2021-03-25 14:50:36,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:50:36,247 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:36,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:36,247 INFO L82 PathProgramCache]: Analyzing trace with hash 78343758, now seen corresponding path program 1 times [2021-03-25 14:50:36,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:36,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093244836] [2021-03-25 14:50:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:36,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:50:36,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:50:36,377 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:50:36,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:50:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:36,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093244836] [2021-03-25 14:50:36,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:36,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:50:36,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456230121] [2021-03-25 14:50:36,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:50:36,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:36,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:50:36,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:50:36,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 180 [2021-03-25 14:50:36,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 42 flow. Second operand has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 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) [2021-03-25 14:50:36,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:36,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 180 [2021-03-25 14:50:36,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:36,431 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-03-25 14:50:36,432 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:36,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 19 events. 1/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 25. Up to 3 conditions per place. [2021-03-25 14:50:36,432 INFO L132 encePairwiseOnDemand]: 176/180 looper letters, 1 selfloop transitions, 2 changer transitions 4/19 dead transitions. [2021-03-25 14:50:36,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 58 flow [2021-03-25 14:50:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:50:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:50:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 747 transitions. [2021-03-25 14:50:36,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.83 [2021-03-25 14:50:36,435 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 747 transitions. [2021-03-25 14:50:36,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 747 transitions. [2021-03-25 14:50:36,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:36,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 747 transitions. [2021-03-25 14:50:36,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 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) [2021-03-25 14:50:36,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 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) [2021-03-25 14:50:36,439 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 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) [2021-03-25 14:50:36,439 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 42 flow. Second operand 5 states and 747 transitions. [2021-03-25 14:50:36,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 58 flow [2021-03-25 14:50:36,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 19 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:50:36,440 INFO L241 Difference]: Finished difference. Result has 27 places, 15 transitions, 42 flow [2021-03-25 14:50:36,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=42, PETRI_PLACES=27, PETRI_TRANSITIONS=15} [2021-03-25 14:50:36,441 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -15 predicate places. [2021-03-25 14:50:36,441 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:36,441 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 15 transitions, 42 flow [2021-03-25 14:50:36,441 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 15 transitions, 42 flow [2021-03-25 14:50:36,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 15 transitions, 42 flow [2021-03-25 14:50:36,445 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:50:36,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:50:36,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 15 events. 0/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:50:36,445 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 14:50:36,456 INFO L154 LiptonReduction]: Checked pairs total: 113 [2021-03-25 14:50:36,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:50:36,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 14:50:36,457 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 15 transitions, 42 flow [2021-03-25 14:50:36,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 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) [2021-03-25 14:50:36,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:36,458 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:50:36,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:50:36,458 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:36,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1017329373, now seen corresponding path program 1 times [2021-03-25 14:50:36,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:36,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459423262] [2021-03-25 14:50:36,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:36,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:36,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:50:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:36,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459423262] [2021-03-25 14:50:36,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:36,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:50:36,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475057755] [2021-03-25 14:50:36,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:50:36,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:36,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:50:36,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:50:36,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 180 [2021-03-25 14:50:36,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 15 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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) [2021-03-25 14:50:36,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:36,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 180 [2021-03-25 14:50:36,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:36,555 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:50:36,555 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 14:50:36,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 15 events. 0/15 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:50:36,555 INFO L132 encePairwiseOnDemand]: 177/180 looper letters, 1 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2021-03-25 14:50:36,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 15 transitions, 48 flow [2021-03-25 14:50:36,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:50:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:50:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2021-03-25 14:50:36,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8685185185185185 [2021-03-25 14:50:36,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2021-03-25 14:50:36,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2021-03-25 14:50:36,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:36,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2021-03-25 14:50:36,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2021-03-25 14:50:36,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 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) [2021-03-25 14:50:36,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 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) [2021-03-25 14:50:36,560 INFO L185 Difference]: Start difference. First operand has 23 places, 15 transitions, 42 flow. Second operand 3 states and 469 transitions. [2021-03-25 14:50:36,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 15 transitions, 48 flow [2021-03-25 14:50:36,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 15 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:50:36,561 INFO L241 Difference]: Finished difference. Result has 24 places, 15 transitions, 46 flow [2021-03-25 14:50:36,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=24, PETRI_TRANSITIONS=15} [2021-03-25 14:50:36,562 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -18 predicate places. [2021-03-25 14:50:36,562 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:36,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 15 transitions, 46 flow [2021-03-25 14:50:36,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 15 transitions, 46 flow [2021-03-25 14:50:36,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 15 transitions, 46 flow [2021-03-25 14:50:36,565 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:50:36,566 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 14:50:36,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 15 events. 0/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:50:36,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 14:50:36,640 INFO L154 LiptonReduction]: Checked pairs total: 104 [2021-03-25 14:50:36,640 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:50:36,641 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-25 14:50:36,643 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 46 flow [2021-03-25 14:50:36,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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) [2021-03-25 14:50:36,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:36,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:50:36,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:50:36,644 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:36,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1472440234, now seen corresponding path program 1 times [2021-03-25 14:50:36,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:36,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050552226] [2021-03-25 14:50:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:50:36,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:36,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:50:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:36,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050552226] [2021-03-25 14:50:36,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:36,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:50:36,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815438094] [2021-03-25 14:50:36,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:50:36,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:36,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:50:36,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:50:36,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 180 [2021-03-25 14:50:36,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 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) [2021-03-25 14:50:36,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:36,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 180 [2021-03-25 14:50:36,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:36,800 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-25 14:50:36,800 INFO L130 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2021-03-25 14:50:36,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 22 events. 0/22 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 2/23 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 14:50:36,801 INFO L132 encePairwiseOnDemand]: 176/180 looper letters, 1 selfloop transitions, 3 changer transitions 1/16 dead transitions. [2021-03-25 14:50:36,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 61 flow [2021-03-25 14:50:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:50:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:50:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 599 transitions. [2021-03-25 14:50:36,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8319444444444445 [2021-03-25 14:50:36,803 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 599 transitions. [2021-03-25 14:50:36,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 599 transitions. [2021-03-25 14:50:36,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:36,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 599 transitions. [2021-03-25 14:50:36,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 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) [2021-03-25 14:50:36,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 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) [2021-03-25 14:50:36,807 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 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) [2021-03-25 14:50:36,807 INFO L185 Difference]: Start difference. First operand has 24 places, 15 transitions, 46 flow. Second operand 4 states and 599 transitions. [2021-03-25 14:50:36,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 61 flow [2021-03-25 14:50:36,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 16 transitions, 55 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:50:36,808 INFO L241 Difference]: Finished difference. Result has 27 places, 15 transitions, 56 flow [2021-03-25 14:50:36,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=56, PETRI_PLACES=27, PETRI_TRANSITIONS=15} [2021-03-25 14:50:36,808 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -15 predicate places. [2021-03-25 14:50:36,809 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:36,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 15 transitions, 56 flow [2021-03-25 14:50:36,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 15 transitions, 56 flow [2021-03-25 14:50:36,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 15 transitions, 56 flow [2021-03-25 14:50:36,813 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:50:36,813 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 14:50:36,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 15 events. 0/15 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:50:36,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-25 14:50:38,060 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 363 [2021-03-25 14:50:38,927 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-03-25 14:50:40,731 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 530 [2021-03-25 14:50:42,649 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 530 [2021-03-25 14:50:42,653 INFO L154 LiptonReduction]: Checked pairs total: 134 [2021-03-25 14:50:42,653 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:50:42,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5844 [2021-03-25 14:50:42,654 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 54 flow [2021-03-25 14:50:42,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 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) [2021-03-25 14:50:42,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:42,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:50:42,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:50:42,655 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:42,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1530652728, now seen corresponding path program 1 times [2021-03-25 14:50:42,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:42,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83980051] [2021-03-25 14:50:42,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:42,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:50:42,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:42,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 14:50:42,806 INFO L142 QuantifierPusher]: treesize reduction 37, result has 44.8 percent of original size [2021-03-25 14:50:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 14:50:42,827 INFO L142 QuantifierPusher]: treesize reduction 16, result has 50.0 percent of original size [2021-03-25 14:50:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:50:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:42,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83980051] [2021-03-25 14:50:42,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:42,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:50:42,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879301060] [2021-03-25 14:50:42,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:50:42,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:42,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:50:42,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:50:42,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 181 [2021-03-25 14:50:42,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 14 transitions, 54 flow. Second operand has 6 states, 6 states have (on average 101.83333333333333) internal successors, (611), 6 states have internal predecessors, (611), 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) [2021-03-25 14:50:42,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:42,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 181 [2021-03-25 14:50:42,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:42,989 INFO L129 PetriNetUnfolder]: 16/51 cut-off events. [2021-03-25 14:50:42,989 INFO L130 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2021-03-25 14:50:42,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 51 events. 16/51 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 138 event pairs, 0 based on Foata normal form. 4/55 useless extension candidates. Maximal degree in co-relation 116. Up to 26 conditions per place. [2021-03-25 14:50:42,990 INFO L132 encePairwiseOnDemand]: 174/181 looper letters, 8 selfloop transitions, 6 changer transitions 0/20 dead transitions. [2021-03-25 14:50:42,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 20 transitions, 94 flow [2021-03-25 14:50:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:50:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:50:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 521 transitions. [2021-03-25 14:50:42,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5756906077348066 [2021-03-25 14:50:42,993 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 521 transitions. [2021-03-25 14:50:42,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 521 transitions. [2021-03-25 14:50:42,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:42,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 521 transitions. [2021-03-25 14:50:42,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-03-25 14:50:42,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 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) [2021-03-25 14:50:42,997 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 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) [2021-03-25 14:50:42,997 INFO L185 Difference]: Start difference. First operand has 26 places, 14 transitions, 54 flow. Second operand 5 states and 521 transitions. [2021-03-25 14:50:42,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 20 transitions, 94 flow [2021-03-25 14:50:42,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 76 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-25 14:50:42,999 INFO L241 Difference]: Finished difference. Result has 26 places, 17 transitions, 70 flow [2021-03-25 14:50:42,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=70, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2021-03-25 14:50:42,999 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -16 predicate places. [2021-03-25 14:50:42,999 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:42,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 17 transitions, 70 flow [2021-03-25 14:50:42,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 17 transitions, 70 flow [2021-03-25 14:50:43,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 17 transitions, 70 flow [2021-03-25 14:50:43,010 INFO L129 PetriNetUnfolder]: 15/47 cut-off events. [2021-03-25 14:50:43,010 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-25 14:50:43,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 47 events. 15/47 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 117 event pairs, 7 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 103. Up to 30 conditions per place. [2021-03-25 14:50:43,011 INFO L142 LiptonReduction]: Number of co-enabled transitions 46 [2021-03-25 14:50:43,170 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2021-03-25 14:50:43,498 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 85 [2021-03-25 14:50:43,824 INFO L154 LiptonReduction]: Checked pairs total: 55 [2021-03-25 14:50:43,824 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:50:43,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 826 [2021-03-25 14:50:43,825 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 71 flow [2021-03-25 14:50:43,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 101.83333333333333) internal successors, (611), 6 states have internal predecessors, (611), 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) [2021-03-25 14:50:43,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:50:43,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:50:43,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:50:43,826 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:50:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:50:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1236887714, now seen corresponding path program 1 times [2021-03-25 14:50:43,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:50:43,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27398090] [2021-03-25 14:50:43,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:50:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:50:43,917 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-03-25 14:50:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:50:43,932 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 14:50:43,934 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-25 14:50:43,953 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-03-25 14:50:43,954 INFO L147 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size 27 [2021-03-25 14:50:43,983 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-03-25 14:50:43,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 14:50:44,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:50:44,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:50:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:50:44,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27398090] [2021-03-25 14:50:44,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:50:44,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:50:44,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554271105] [2021-03-25 14:50:44,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:50:44,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:50:44,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:50:44,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:50:44,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 184 [2021-03-25 14:50:44,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 71 flow. Second operand has 7 states, 7 states have (on average 96.85714285714286) internal successors, (678), 7 states have internal predecessors, (678), 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) [2021-03-25 14:50:44,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:50:44,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 184 [2021-03-25 14:50:44,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:50:44,202 INFO L129 PetriNetUnfolder]: 14/42 cut-off events. [2021-03-25 14:50:44,202 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 14:50:44,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 42 events. 14/42 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 104 event pairs, 2 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 141. Up to 31 conditions per place. [2021-03-25 14:50:44,205 INFO L132 encePairwiseOnDemand]: 176/184 looper letters, 11 selfloop transitions, 10 changer transitions 0/26 dead transitions. [2021-03-25 14:50:44,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 26 transitions, 164 flow [2021-03-25 14:50:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:50:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:50:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 499 transitions. [2021-03-25 14:50:44,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5423913043478261 [2021-03-25 14:50:44,207 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 499 transitions. [2021-03-25 14:50:44,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 499 transitions. [2021-03-25 14:50:44,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:50:44,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 499 transitions. [2021-03-25 14:50:44,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 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) [2021-03-25 14:50:44,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-25 14:50:44,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-25 14:50:44,210 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 71 flow. Second operand 5 states and 499 transitions. [2021-03-25 14:50:44,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 26 transitions, 164 flow [2021-03-25 14:50:44,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 140 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 14:50:44,212 INFO L241 Difference]: Finished difference. Result has 28 places, 25 transitions, 142 flow [2021-03-25 14:50:44,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=142, PETRI_PLACES=28, PETRI_TRANSITIONS=25} [2021-03-25 14:50:44,212 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -14 predicate places. [2021-03-25 14:50:44,212 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:50:44,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 25 transitions, 142 flow [2021-03-25 14:50:44,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 25 transitions, 142 flow [2021-03-25 14:50:44,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 142 flow [2021-03-25 14:50:44,226 INFO L129 PetriNetUnfolder]: 14/43 cut-off events. [2021-03-25 14:50:44,226 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 14:50:44,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 43 events. 14/43 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 116 event pairs, 2 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 127. Up to 28 conditions per place. [2021-03-25 14:50:44,229 INFO L142 LiptonReduction]: Number of co-enabled transitions 42 [2021-03-25 14:50:44,387 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-25 14:50:44,533 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-25 14:50:44,829 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-03-25 14:50:45,109 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-03-25 14:50:49,147 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 437 DAG size of output: 412 [2021-03-25 14:50:50,409 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 399 [2021-03-25 14:51:00,396 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 628 DAG size of output: 602 [2021-03-25 14:51:03,692 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 588 [2021-03-25 14:51:03,700 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 14:51:03,700 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:51:03,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19488 [2021-03-25 14:51:03,701 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 25 transitions, 149 flow [2021-03-25 14:51:03,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 96.85714285714286) internal successors, (678), 7 states have internal predecessors, (678), 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) [2021-03-25 14:51:03,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:51:03,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:51:03,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:51:03,701 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:51:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:51:03,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1424656369, now seen corresponding path program 1 times [2021-03-25 14:51:03,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:51:03,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897524407] [2021-03-25 14:51:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:51:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:51:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:51:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:51:03,791 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 14:51:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:51:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:51:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:51:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:51:03,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897524407] [2021-03-25 14:51:03,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:51:03,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:51:03,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935019063] [2021-03-25 14:51:03,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:51:03,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:51:03,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:51:03,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:51:03,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 186 [2021-03-25 14:51:03,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 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) [2021-03-25 14:51:03,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:51:03,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 186 [2021-03-25 14:51:03,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:51:03,856 INFO L129 PetriNetUnfolder]: 14/52 cut-off events. [2021-03-25 14:51:03,856 INFO L130 PetriNetUnfolder]: For 48/56 co-relation queries the response was YES. [2021-03-25 14:51:03,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 52 events. 14/52 cut-off events. For 48/56 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 169 event pairs, 3 based on Foata normal form. 21/70 useless extension candidates. Maximal degree in co-relation 149. Up to 23 conditions per place. [2021-03-25 14:51:03,857 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 5 selfloop transitions, 6 changer transitions 2/26 dead transitions. [2021-03-25 14:51:03,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 146 flow [2021-03-25 14:51:03,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:51:03,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:51:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 784 transitions. [2021-03-25 14:51:03,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.843010752688172 [2021-03-25 14:51:03,861 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 784 transitions. [2021-03-25 14:51:03,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 784 transitions. [2021-03-25 14:51:03,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:51:03,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 784 transitions. [2021-03-25 14:51:03,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 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) [2021-03-25 14:51:03,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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) [2021-03-25 14:51:03,865 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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) [2021-03-25 14:51:03,865 INFO L185 Difference]: Start difference. First operand has 28 places, 25 transitions, 149 flow. Second operand 5 states and 784 transitions. [2021-03-25 14:51:03,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 146 flow [2021-03-25 14:51:03,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 26 transitions, 128 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 14:51:03,868 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 133 flow [2021-03-25 14:51:03,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=133, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-03-25 14:51:03,868 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -10 predicate places. [2021-03-25 14:51:03,868 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:51:03,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 133 flow [2021-03-25 14:51:03,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 133 flow [2021-03-25 14:51:03,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 133 flow [2021-03-25 14:51:03,875 INFO L129 PetriNetUnfolder]: 9/45 cut-off events. [2021-03-25 14:51:03,876 INFO L130 PetriNetUnfolder]: For 43/48 co-relation queries the response was YES. [2021-03-25 14:51:03,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 45 events. 9/45 cut-off events. For 43/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 148 event pairs, 1 based on Foata normal form. 5/47 useless extension candidates. Maximal degree in co-relation 135. Up to 20 conditions per place. [2021-03-25 14:51:03,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 14:51:03,877 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:51:03,877 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:51:03,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 14:51:03,878 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 133 flow [2021-03-25 14:51:03,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 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) [2021-03-25 14:51:03,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:51:03,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:51:03,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:51:03,879 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:51:03,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:51:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1214914449, now seen corresponding path program 1 times [2021-03-25 14:51:03,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:51:03,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762941886] [2021-03-25 14:51:03,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:51:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:51:03,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:51:03,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:51:03,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:51:03,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:51:03,997 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 14:51:03,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:51:04,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:51:04,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:51:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:51:04,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762941886] [2021-03-25 14:51:04,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:51:04,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:51:04,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250098600] [2021-03-25 14:51:04,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:51:04,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:51:04,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:51:04,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:51:04,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 186 [2021-03-25 14:51:04,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 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) [2021-03-25 14:51:04,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:51:04,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 186 [2021-03-25 14:51:04,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:51:04,090 INFO L129 PetriNetUnfolder]: 4/33 cut-off events. [2021-03-25 14:51:04,090 INFO L130 PetriNetUnfolder]: For 83/105 co-relation queries the response was YES. [2021-03-25 14:51:04,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 33 events. 4/33 cut-off events. For 83/105 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 96 event pairs, 0 based on Foata normal form. 28/60 useless extension candidates. Maximal degree in co-relation 107. Up to 11 conditions per place. [2021-03-25 14:51:04,090 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 2 selfloop transitions, 9 changer transitions 3/26 dead transitions. [2021-03-25 14:51:04,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 26 transitions, 163 flow [2021-03-25 14:51:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:51:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:51:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1093 transitions. [2021-03-25 14:51:04,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8394777265745008 [2021-03-25 14:51:04,099 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1093 transitions. [2021-03-25 14:51:04,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1093 transitions. [2021-03-25 14:51:04,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:51:04,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1093 transitions. [2021-03-25 14:51:04,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.14285714285714) internal successors, (1093), 7 states have internal predecessors, (1093), 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) [2021-03-25 14:51:04,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 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) [2021-03-25 14:51:04,105 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 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) [2021-03-25 14:51:04,105 INFO L185 Difference]: Start difference. First operand has 32 places, 24 transitions, 133 flow. Second operand 7 states and 1093 transitions. [2021-03-25 14:51:04,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 26 transitions, 163 flow [2021-03-25 14:51:04,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 26 transitions, 149 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 14:51:04,109 INFO L241 Difference]: Finished difference. Result has 39 places, 23 transitions, 142 flow [2021-03-25 14:51:04,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=142, PETRI_PLACES=39, PETRI_TRANSITIONS=23} [2021-03-25 14:51:04,110 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2021-03-25 14:51:04,110 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:51:04,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 23 transitions, 142 flow [2021-03-25 14:51:04,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 23 transitions, 142 flow [2021-03-25 14:51:04,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 23 transitions, 142 flow [2021-03-25 14:51:04,117 INFO L129 PetriNetUnfolder]: 3/30 cut-off events. [2021-03-25 14:51:04,117 INFO L130 PetriNetUnfolder]: For 59/61 co-relation queries the response was YES. [2021-03-25 14:51:04,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 30 events. 3/30 cut-off events. For 59/61 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 82 event pairs, 0 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 97. Up to 11 conditions per place. [2021-03-25 14:51:04,118 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-25 14:51:04,331 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-25 14:51:04,537 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-25 14:51:04,984 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-03-25 14:51:05,392 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-03-25 14:51:05,669 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-03-25 14:51:05,954 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-03-25 14:51:06,449 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-25 14:51:06,939 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-25 14:51:06,941 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 14:51:06,942 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:51:06,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2832 [2021-03-25 14:51:06,942 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 122 flow [2021-03-25 14:51:06,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 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) [2021-03-25 14:51:06,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:51:06,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:51:06,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:51:06,943 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:51:06,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:51:06,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1119892548, now seen corresponding path program 1 times [2021-03-25 14:51:06,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:51:06,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914229321] [2021-03-25 14:51:06,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:51:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:51:07,003 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:51:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:51:07,100 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:51:07,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:51:07,145 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:51:07,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:51:07,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:51:07 BasicIcfg [2021-03-25 14:51:07,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:51:07,223 INFO L168 Benchmark]: Toolchain (without parser) took 64943.49 ms. Allocated memory was 255.9 MB in the beginning and 660.6 MB in the end (delta: 404.8 MB). Free memory was 234.6 MB in the beginning and 449.0 MB in the end (delta: -214.4 MB). Peak memory consumption was 188.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,223 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 207.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.01 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 234.6 MB in the beginning and 325.6 MB in the end (delta: -91.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.21 ms. Allocated memory is still 367.0 MB. Free memory was 325.6 MB in the beginning and 322.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,224 INFO L168 Benchmark]: Boogie Preprocessor took 43.85 ms. Allocated memory is still 367.0 MB. Free memory was 322.8 MB in the beginning and 320.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,224 INFO L168 Benchmark]: RCFGBuilder took 2879.27 ms. Allocated memory is still 367.0 MB. Free memory was 320.6 MB in the beginning and 282.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 197.6 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,225 INFO L168 Benchmark]: TraceAbstraction took 61369.20 ms. Allocated memory was 367.0 MB in the beginning and 660.6 MB in the end (delta: 293.6 MB). Free memory was 282.8 MB in the beginning and 449.0 MB in the end (delta: -166.2 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.0 GB. [2021-03-25 14:51:07,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 207.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 559.01 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 234.6 MB in the beginning and 325.6 MB in the end (delta: -91.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 74.21 ms. Allocated memory is still 367.0 MB. Free memory was 325.6 MB in the beginning and 322.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.85 ms. Allocated memory is still 367.0 MB. Free memory was 322.8 MB in the beginning and 320.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2879.27 ms. Allocated memory is still 367.0 MB. Free memory was 320.6 MB in the beginning and 282.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 197.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 61369.20 ms. Allocated memory was 367.0 MB in the beginning and 660.6 MB in the end (delta: 293.6 MB). Free memory was 282.8 MB in the beginning and 449.0 MB in the end (delta: -166.2 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22987.9ms, 100 PlacesBefore, 42 PlacesAfterwards, 95 TransitionsBefore, 36 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 5 FixpointIterations, 36 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 1624 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 744, positive: 680, positive conditional: 0, positive unconditional: 680, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 577, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 577, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 577, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9152, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 798, negative conditional: 0, negative unconditional: 798, unknown: 8347, unknown conditional: 0, unknown unconditional: 8347] ], Cache Queries: [ total: 744, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 577, unknown conditional: 0, unknown unconditional: 577] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6572.8ms, 40 PlacesBefore, 24 PlacesAfterwards, 33 TransitionsBefore, 17 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 206, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1607, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 242, negative conditional: 0, negative unconditional: 242, unknown: 1365, unknown conditional: 0, unknown unconditional: 1365] ], Cache Queries: [ total: 206, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9ms, 27 PlacesBefore, 23 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.3ms, 24 PlacesBefore, 24 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5844.1ms, 27 PlacesBefore, 26 PlacesAfterwards, 15 TransitionsBefore, 14 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 134 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 825.2ms, 26 PlacesBefore, 25 PlacesAfterwards, 17 TransitionsBefore, 16 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 55 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19487.9ms, 28 PlacesBefore, 28 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 32 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2831.6ms, 39 PlacesBefore, 36 PlacesAfterwards, 23 TransitionsBefore, 19 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L713] 0 _Bool __unbuffered_p1_EAX$flush_delayed; [L714] 0 int __unbuffered_p1_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; [L719] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; [L720] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; [L721] 0 _Bool __unbuffered_p1_EAX$read_delayed; [L722] 0 int *__unbuffered_p1_EAX$read_delayed_var; [L723] 0 int __unbuffered_p1_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; [L725] 0 int __unbuffered_p1_EAX$w_buff1; [L726] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; [L727] 0 _Bool main$tmp_guard0; [L728] 0 _Bool main$tmp_guard1; [L730] 0 int x = 0; [L731] 0 _Bool x$flush_delayed; [L732] 0 int x$mem_tmp; [L733] 0 _Bool x$r_buff0_thd0; [L734] 0 _Bool x$r_buff0_thd1; [L735] 0 _Bool x$r_buff0_thd2; [L736] 0 _Bool x$r_buff1_thd0; [L737] 0 _Bool x$r_buff1_thd1; [L738] 0 _Bool x$r_buff1_thd2; [L739] 0 _Bool x$read_delayed; [L740] 0 int *x$read_delayed_var; [L741] 0 int x$w_buff0; [L742] 0 _Bool x$w_buff0_used; [L743] 0 int x$w_buff1; [L744] 0 _Bool x$w_buff1_used; [L746] 0 int y = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice1; [L749] 0 _Bool weak$$choice2; [L825] 0 pthread_t t1923; [L826] FCALL, FORK 0 pthread_create(&t1923, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={5:0}, 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] [L827] 0 pthread_t t1924; [L828] FCALL, FORK 0 pthread_create(&t1924, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L781] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 2 x$flush_delayed = weak$$choice2 [L784] EXPR 2 \read(x) [L784] 2 x$mem_tmp = x [L785] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] EXPR 2 \read(x) [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L793] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L794] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L795] EXPR 2 \read(x) [L795] 2 __unbuffered_p1_EAX = x [L796] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L796] 2 x = x$flush_delayed ? x$mem_tmp : x [L797] 2 x$flush_delayed = (_Bool)0 [L800] 2 y = 1 [L803] 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) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] EXPR 2 \read(x) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] 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) [L803] 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) [L804] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L804] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L805] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L805] 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 [L806] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L806] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L807] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L807] 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 [L753] 1 __unbuffered_p0_EAX = y [L756] 1 x$w_buff1 = x$w_buff0 [L757] 1 x$w_buff0 = 1 [L758] 1 x$w_buff1_used = x$w_buff0_used [L759] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L762] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L763] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L764] 1 x$r_buff0_thd1 = (_Bool)1 [L767] 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) [L767] 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) [L768] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L768] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L769] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L769] 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 [L770] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L770] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L771] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L771] 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 [L810] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 2 return 0; [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L776] 1 return 0; [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L834] 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) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 \read(x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] 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) [L834] 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) [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L835] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L836] 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 [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L837] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L838] 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 [L841] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 \read(*__unbuffered_p1_EAX$read_delayed_var) [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=255, x={5:0}, 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=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 61099.0ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 791.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23092.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 22 SDtfs, 7 SDslu, 9 SDs, 0 SdLazy, 150 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 273.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 315.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=6, InterpolantAutomatonStates: 37, 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: 35.5ms SsaConstructionTime, 393.8ms SatisfiabilityAnalysisTime, 778.3ms InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 689 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...