/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix019_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 02:15:33,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 02:15:33,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 02:15:33,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 02:15:33,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 02:15:33,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 02:15:33,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 02:15:33,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 02:15:33,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 02:15:33,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 02:15:33,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 02:15:33,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 02:15:33,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 02:15:33,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 02:15:33,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 02:15:33,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 02:15:33,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 02:15:33,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 02:15:33,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 02:15:33,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 02:15:33,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 02:15:33,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 02:15:33,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 02:15:33,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 02:15:33,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 02:15:33,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 02:15:33,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 02:15:33,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 02:15:33,839 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-NoLbe.epf [2021-03-11 02:15:33,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 02:15:33,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 02:15:33,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 02:15:33,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 02:15:33,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 02:15:33,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 02:15:33,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 02:15:33,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 02:15:33,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 02:15:34,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 02:15:34,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 02:15:34,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 02:15:34,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 02:15:34,098 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 02:15:34,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_rmo.opt.i [2021-03-11 02:15:34,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76b1830/e12a2e5d8a984304a94e41a107774e77/FLAG37c38691e [2021-03-11 02:15:34,582 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 02:15:34,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_rmo.opt.i [2021-03-11 02:15:34,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76b1830/e12a2e5d8a984304a94e41a107774e77/FLAG37c38691e [2021-03-11 02:15:34,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b76b1830/e12a2e5d8a984304a94e41a107774e77 [2021-03-11 02:15:34,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 02:15:34,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 02:15:34,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 02:15:34,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 02:15:34,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 02:15:34,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:15:34" (1/1) ... [2021-03-11 02:15:34,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5618da71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:34, skipping insertion in model container [2021-03-11 02:15:34,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:15:34" (1/1) ... [2021-03-11 02:15:34,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 02:15:34,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 02:15:34,827 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/mix019_rmo.opt.i[948,961] [2021-03-11 02:15:34,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:15:34,963 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 02:15:34,972 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/mix019_rmo.opt.i[948,961] [2021-03-11 02:15:34,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:15:35,035 INFO L208 MainTranslator]: Completed translation [2021-03-11 02:15:35,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35 WrapperNode [2021-03-11 02:15:35,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 02:15:35,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 02:15:35,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 02:15:35,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 02:15:35,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 02:15:35,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 02:15:35,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 02:15:35,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 02:15:35,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... [2021-03-11 02:15:35,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 02:15:35,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 02:15:35,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 02:15:35,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 02:15:35,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 02:15:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 02:15:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 02:15:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 02:15:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 02:15:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 02:15:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 02:15:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 02:15:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 02:15:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 02:15:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 02:15:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 02:15:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 02:15:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 02:15:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 02:15:35,144 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 02:15:36,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 02:15:36,645 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 02:15:36,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:36 BoogieIcfgContainer [2021-03-11 02:15:36,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 02:15:36,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 02:15:36,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 02:15:36,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 02:15:36,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:15:34" (1/3) ... [2021-03-11 02:15:36,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb1f607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:15:36, skipping insertion in model container [2021-03-11 02:15:36,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:15:35" (2/3) ... [2021-03-11 02:15:36,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb1f607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:15:36, skipping insertion in model container [2021-03-11 02:15:36,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:36" (3/3) ... [2021-03-11 02:15:36,651 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_rmo.opt.i [2021-03-11 02:15:36,663 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 02:15:36,666 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 02:15:36,666 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,726 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:15:36,765 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 02:15:36,775 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 02:15:36,787 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 02:15:36,787 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 02:15:36,787 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 02:15:36,787 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 02:15:36,787 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 02:15:36,787 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 02:15:36,787 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 02:15:36,787 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 02:15:36,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-03-11 02:15:36,816 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-11 02:15:36,816 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:15:36,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-03-11 02:15:36,818 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-03-11 02:15:36,821 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-03-11 02:15:36,829 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-03-11 02:15:36,829 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:15:36,829 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:36,829 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:36,830 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:36,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:36,833 INFO L82 PathProgramCache]: Analyzing trace with hash 2042267571, now seen corresponding path program 1 times [2021-03-11 02:15:36,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:36,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430432039] [2021-03-11 02:15:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:37,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:37,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:37,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430432039] [2021-03-11 02:15:37,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:37,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 02:15:37,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847015863] [2021-03-11 02:15:37,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 02:15:37,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:37,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 02:15:37,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 02:15:37,040 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 98 [2021-03-11 02:15:37,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:37,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 98 [2021-03-11 02:15:37,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:37,122 INFO L129 PetriNetUnfolder]: 13/129 cut-off events. [2021-03-11 02:15:37,122 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:15:37,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 129 events. 13/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 269 event pairs, 1 based on Foata normal form. 7/128 useless extension candidates. Maximal degree in co-relation 122. Up to 25 conditions per place. [2021-03-11 02:15:37,125 INFO L132 encePairwiseOnDemand]: 93/98 looper letters, 6 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2021-03-11 02:15:37,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 93 transitions, 211 flow [2021-03-11 02:15:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 02:15:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 02:15:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2021-03-11 02:15:37,137 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9421768707482994 [2021-03-11 02:15:37,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2021-03-11 02:15:37,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2021-03-11 02:15:37,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:37,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2021-03-11 02:15:37,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,151 INFO L185 Difference]: Start difference. First operand has 103 places, 95 transitions, 199 flow. Second operand 3 states and 277 transitions. [2021-03-11 02:15:37,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 93 transitions, 211 flow [2021-03-11 02:15:37,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 93 transitions, 208 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 02:15:37,156 INFO L241 Difference]: Finished difference. Result has 100 places, 91 transitions, 192 flow [2021-03-11 02:15:37,157 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2021-03-11 02:15:37,158 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, -3 predicate places. [2021-03-11 02:15:37,158 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 192 flow [2021-03-11 02:15:37,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,158 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:37,158 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:37,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 02:15:37,159 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:37,160 INFO L82 PathProgramCache]: Analyzing trace with hash -363006543, now seen corresponding path program 1 times [2021-03-11 02:15:37,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:37,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319087924] [2021-03-11 02:15:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:37,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:37,303 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 02:15:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:15:37,316 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:37,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:37,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:37,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319087924] [2021-03-11 02:15:37,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:37,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:15:37,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204303595] [2021-03-11 02:15:37,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:15:37,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:37,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:15:37,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:15:37,358 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-03-11 02:15:37,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:37,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-03-11 02:15:37,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:37,737 INFO L129 PetriNetUnfolder]: 437/1473 cut-off events. [2021-03-11 02:15:37,737 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:15:37,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2225 conditions, 1473 events. 437/1473 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 11647 event pairs, 104 based on Foata normal form. 0/1425 useless extension candidates. Maximal degree in co-relation 2175. Up to 314 conditions per place. [2021-03-11 02:15:37,747 INFO L132 encePairwiseOnDemand]: 86/98 looper letters, 16 selfloop transitions, 8 changer transitions 50/140 dead transitions. [2021-03-11 02:15:37,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 140 transitions, 420 flow [2021-03-11 02:15:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:15:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:15:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 778 transitions. [2021-03-11 02:15:37,750 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8820861678004536 [2021-03-11 02:15:37,750 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 778 transitions. [2021-03-11 02:15:37,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 778 transitions. [2021-03-11 02:15:37,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:37,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 778 transitions. [2021-03-11 02:15:37,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 86.44444444444444) internal successors, (778), 9 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,755 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,755 INFO L185 Difference]: Start difference. First operand has 100 places, 91 transitions, 192 flow. Second operand 9 states and 778 transitions. [2021-03-11 02:15:37,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 140 transitions, 420 flow [2021-03-11 02:15:37,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 140 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 02:15:37,759 INFO L241 Difference]: Finished difference. Result has 114 places, 86 transitions, 264 flow [2021-03-11 02:15:37,759 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=264, PETRI_PLACES=114, PETRI_TRANSITIONS=86} [2021-03-11 02:15:37,760 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 11 predicate places. [2021-03-11 02:15:37,760 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 86 transitions, 264 flow [2021-03-11 02:15:37,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,760 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:37,760 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:37,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 02:15:37,761 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:37,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:37,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2034700688, now seen corresponding path program 1 times [2021-03-11 02:15:37,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:37,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772580960] [2021-03-11 02:15:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:37,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:37,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:37,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 02:15:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:15:37,844 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:37,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:37,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:37,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:37,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:37,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772580960] [2021-03-11 02:15:37,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:37,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:15:37,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583061420] [2021-03-11 02:15:37,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:15:37,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:37,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:15:37,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:15:37,874 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-03-11 02:15:37,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 86 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 80.57142857142857) internal successors, (564), 7 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:37,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:37,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-03-11 02:15:37,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:38,133 INFO L129 PetriNetUnfolder]: 241/761 cut-off events. [2021-03-11 02:15:38,134 INFO L130 PetriNetUnfolder]: For 1129/1447 co-relation queries the response was YES. [2021-03-11 02:15:38,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2278 conditions, 761 events. 241/761 cut-off events. For 1129/1447 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4838 event pairs, 30 based on Foata normal form. 19/762 useless extension candidates. Maximal degree in co-relation 2216. Up to 241 conditions per place. [2021-03-11 02:15:38,139 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 21 selfloop transitions, 7 changer transitions 40/134 dead transitions. [2021-03-11 02:15:38,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 134 transitions, 722 flow [2021-03-11 02:15:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:15:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:15:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1089 transitions. [2021-03-11 02:15:38,142 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8547880690737834 [2021-03-11 02:15:38,142 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1089 transitions. [2021-03-11 02:15:38,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1089 transitions. [2021-03-11 02:15:38,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:38,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1089 transitions. [2021-03-11 02:15:38,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 83.76923076923077) internal successors, (1089), 13 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,147 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,147 INFO L185 Difference]: Start difference. First operand has 114 places, 86 transitions, 264 flow. Second operand 13 states and 1089 transitions. [2021-03-11 02:15:38,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 134 transitions, 722 flow [2021-03-11 02:15:38,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 134 transitions, 640 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-03-11 02:15:38,156 INFO L241 Difference]: Finished difference. Result has 120 places, 89 transitions, 320 flow [2021-03-11 02:15:38,156 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=320, PETRI_PLACES=120, PETRI_TRANSITIONS=89} [2021-03-11 02:15:38,156 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2021-03-11 02:15:38,157 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 89 transitions, 320 flow [2021-03-11 02:15:38,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 80.57142857142857) internal successors, (564), 7 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,157 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:38,157 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:38,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 02:15:38,157 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:38,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:38,158 INFO L82 PathProgramCache]: Analyzing trace with hash 938000376, now seen corresponding path program 1 times [2021-03-11 02:15:38,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:38,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816234918] [2021-03-11 02:15:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:38,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 02:15:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:15:38,296 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:38,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:38,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:38,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816234918] [2021-03-11 02:15:38,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:38,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:15:38,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021064733] [2021-03-11 02:15:38,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:15:38,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:38,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:15:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:15:38,322 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-03-11 02:15:38,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 89 transitions, 320 flow. Second operand has 7 states, 7 states have (on average 80.57142857142857) internal successors, (564), 7 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:38,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-03-11 02:15:38,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:38,538 INFO L129 PetriNetUnfolder]: 194/610 cut-off events. [2021-03-11 02:15:38,538 INFO L130 PetriNetUnfolder]: For 1942/2236 co-relation queries the response was YES. [2021-03-11 02:15:38,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2182 conditions, 610 events. 194/610 cut-off events. For 1942/2236 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3516 event pairs, 49 based on Foata normal form. 21/619 useless extension candidates. Maximal degree in co-relation 2110. Up to 199 conditions per place. [2021-03-11 02:15:38,542 INFO L132 encePairwiseOnDemand]: 86/98 looper letters, 17 selfloop transitions, 15 changer transitions 40/138 dead transitions. [2021-03-11 02:15:38,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 138 transitions, 880 flow [2021-03-11 02:15:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:15:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:15:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1097 transitions. [2021-03-11 02:15:38,544 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8610675039246468 [2021-03-11 02:15:38,544 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1097 transitions. [2021-03-11 02:15:38,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1097 transitions. [2021-03-11 02:15:38,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:38,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1097 transitions. [2021-03-11 02:15:38,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 84.38461538461539) internal successors, (1097), 13 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,548 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,548 INFO L185 Difference]: Start difference. First operand has 120 places, 89 transitions, 320 flow. Second operand 13 states and 1097 transitions. [2021-03-11 02:15:38,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 138 transitions, 880 flow [2021-03-11 02:15:38,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 138 transitions, 798 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-03-11 02:15:38,555 INFO L241 Difference]: Finished difference. Result has 127 places, 93 transitions, 401 flow [2021-03-11 02:15:38,555 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=401, PETRI_PLACES=127, PETRI_TRANSITIONS=93} [2021-03-11 02:15:38,555 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 24 predicate places. [2021-03-11 02:15:38,555 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 93 transitions, 401 flow [2021-03-11 02:15:38,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 80.57142857142857) internal successors, (564), 7 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,556 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:38,556 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:38,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 02:15:38,556 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:38,556 INFO L82 PathProgramCache]: Analyzing trace with hash -343636015, now seen corresponding path program 1 times [2021-03-11 02:15:38,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:38,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349550007] [2021-03-11 02:15:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:38,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:38,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:38,659 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:15:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:15:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:15:38,678 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:15:38,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:38,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:38,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349550007] [2021-03-11 02:15:38,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:38,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:15:38,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356732251] [2021-03-11 02:15:38,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:15:38,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:38,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:15:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:15:38,688 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:15:38,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 93 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:38,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:15:38,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:38,876 INFO L129 PetriNetUnfolder]: 520/1451 cut-off events. [2021-03-11 02:15:38,876 INFO L130 PetriNetUnfolder]: For 1287/1368 co-relation queries the response was YES. [2021-03-11 02:15:38,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3201 conditions, 1451 events. 520/1451 cut-off events. For 1287/1368 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12070 event pairs, 99 based on Foata normal form. 1/1308 useless extension candidates. Maximal degree in co-relation 3166. Up to 346 conditions per place. [2021-03-11 02:15:38,887 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 24 selfloop transitions, 17 changer transitions 0/123 dead transitions. [2021-03-11 02:15:38,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 123 transitions, 543 flow [2021-03-11 02:15:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:15:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:15:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 883 transitions. [2021-03-11 02:15:38,890 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9010204081632653 [2021-03-11 02:15:38,890 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 883 transitions. [2021-03-11 02:15:38,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 883 transitions. [2021-03-11 02:15:38,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:38,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 883 transitions. [2021-03-11 02:15:38,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.3) internal successors, (883), 10 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,894 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,894 INFO L185 Difference]: Start difference. First operand has 127 places, 93 transitions, 401 flow. Second operand 10 states and 883 transitions. [2021-03-11 02:15:38,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 123 transitions, 543 flow [2021-03-11 02:15:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 123 transitions, 505 flow, removed 19 selfloop flow, removed 15 redundant places. [2021-03-11 02:15:38,901 INFO L241 Difference]: Finished difference. Result has 118 places, 108 transitions, 483 flow [2021-03-11 02:15:38,901 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=483, PETRI_PLACES=118, PETRI_TRANSITIONS=108} [2021-03-11 02:15:38,901 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 15 predicate places. [2021-03-11 02:15:38,901 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 108 transitions, 483 flow [2021-03-11 02:15:38,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:38,901 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:38,902 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:38,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 02:15:38,902 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:38,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:38,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1579827076, now seen corresponding path program 1 times [2021-03-11 02:15:38,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:38,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156862311] [2021-03-11 02:15:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:38,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:39,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:39,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156862311] [2021-03-11 02:15:39,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:39,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:15:39,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628458107] [2021-03-11 02:15:39,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:15:39,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:39,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:15:39,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:15:39,002 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 98 [2021-03-11 02:15:39,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 108 transitions, 483 flow. Second operand has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:39,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 98 [2021-03-11 02:15:39,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:39,218 INFO L129 PetriNetUnfolder]: 292/1391 cut-off events. [2021-03-11 02:15:39,219 INFO L130 PetriNetUnfolder]: For 1949/2243 co-relation queries the response was YES. [2021-03-11 02:15:39,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 1391 events. 292/1391 cut-off events. For 1949/2243 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 12496 event pairs, 128 based on Foata normal form. 40/1337 useless extension candidates. Maximal degree in co-relation 3667. Up to 321 conditions per place. [2021-03-11 02:15:39,228 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 15 selfloop transitions, 15 changer transitions 0/122 dead transitions. [2021-03-11 02:15:39,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 621 flow [2021-03-11 02:15:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:15:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:15:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 791 transitions. [2021-03-11 02:15:39,229 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8968253968253969 [2021-03-11 02:15:39,229 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 791 transitions. [2021-03-11 02:15:39,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 791 transitions. [2021-03-11 02:15:39,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:39,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 791 transitions. [2021-03-11 02:15:39,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 87.88888888888889) internal successors, (791), 9 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,233 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,233 INFO L185 Difference]: Start difference. First operand has 118 places, 108 transitions, 483 flow. Second operand 9 states and 791 transitions. [2021-03-11 02:15:39,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 122 transitions, 621 flow [2021-03-11 02:15:39,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 02:15:39,240 INFO L241 Difference]: Finished difference. Result has 132 places, 116 transitions, 608 flow [2021-03-11 02:15:39,240 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=608, PETRI_PLACES=132, PETRI_TRANSITIONS=116} [2021-03-11 02:15:39,240 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 29 predicate places. [2021-03-11 02:15:39,240 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 116 transitions, 608 flow [2021-03-11 02:15:39,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,240 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:39,241 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:39,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 02:15:39,241 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:39,241 INFO L82 PathProgramCache]: Analyzing trace with hash -786007848, now seen corresponding path program 1 times [2021-03-11 02:15:39,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:39,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070658515] [2021-03-11 02:15:39,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:39,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:39,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:39,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:39,321 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:15:39,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:15:39,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:15:39,339 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:15:39,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:39,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:39,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070658515] [2021-03-11 02:15:39,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:39,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:15:39,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222918467] [2021-03-11 02:15:39,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:15:39,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:39,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:15:39,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:15:39,348 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:15:39,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 116 transitions, 608 flow. Second operand has 7 states, 7 states have (on average 85.14285714285714) internal successors, (596), 7 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:39,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:15:39,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:39,608 INFO L129 PetriNetUnfolder]: 593/1827 cut-off events. [2021-03-11 02:15:39,608 INFO L130 PetriNetUnfolder]: For 3804/5194 co-relation queries the response was YES. [2021-03-11 02:15:39,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5933 conditions, 1827 events. 593/1827 cut-off events. For 3804/5194 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 16652 event pairs, 21 based on Foata normal form. 265/1951 useless extension candidates. Maximal degree in co-relation 5854. Up to 597 conditions per place. [2021-03-11 02:15:39,622 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 20 selfloop transitions, 32 changer transitions 17/151 dead transitions. [2021-03-11 02:15:39,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 151 transitions, 954 flow [2021-03-11 02:15:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:15:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:15:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1149 transitions. [2021-03-11 02:15:39,625 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.901883830455259 [2021-03-11 02:15:39,625 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1149 transitions. [2021-03-11 02:15:39,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1149 transitions. [2021-03-11 02:15:39,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:39,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1149 transitions. [2021-03-11 02:15:39,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.38461538461539) internal successors, (1149), 13 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,629 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,630 INFO L185 Difference]: Start difference. First operand has 132 places, 116 transitions, 608 flow. Second operand 13 states and 1149 transitions. [2021-03-11 02:15:39,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 151 transitions, 954 flow [2021-03-11 02:15:39,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 151 transitions, 937 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-11 02:15:39,639 INFO L241 Difference]: Finished difference. Result has 147 places, 128 transitions, 750 flow [2021-03-11 02:15:39,639 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=750, PETRI_PLACES=147, PETRI_TRANSITIONS=128} [2021-03-11 02:15:39,639 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 44 predicate places. [2021-03-11 02:15:39,639 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 128 transitions, 750 flow [2021-03-11 02:15:39,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 85.14285714285714) internal successors, (596), 7 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,640 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:39,640 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:39,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 02:15:39,640 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:39,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:39,640 INFO L82 PathProgramCache]: Analyzing trace with hash -189052201, now seen corresponding path program 1 times [2021-03-11 02:15:39,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:39,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786921072] [2021-03-11 02:15:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:39,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:39,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:39,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:39,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:39,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:15:39,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:15:39,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:15:39,762 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:15:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:39,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:39,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786921072] [2021-03-11 02:15:39,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:39,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 02:15:39,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397022141] [2021-03-11 02:15:39,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 02:15:39,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 02:15:39,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 02:15:39,772 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:15:39,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 128 transitions, 750 flow. Second operand has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:39,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:39,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:15:39,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:40,082 INFO L129 PetriNetUnfolder]: 480/1631 cut-off events. [2021-03-11 02:15:40,082 INFO L130 PetriNetUnfolder]: For 6695/10211 co-relation queries the response was YES. [2021-03-11 02:15:40,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6185 conditions, 1631 events. 480/1631 cut-off events. For 6695/10211 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15430 event pairs, 6 based on Foata normal form. 311/1805 useless extension candidates. Maximal degree in co-relation 6151. Up to 485 conditions per place. [2021-03-11 02:15:40,094 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 16 selfloop transitions, 36 changer transitions 25/154 dead transitions. [2021-03-11 02:15:40,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 1068 flow [2021-03-11 02:15:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 02:15:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-11 02:15:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1400 transitions. [2021-03-11 02:15:40,096 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8928571428571429 [2021-03-11 02:15:40,096 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1400 transitions. [2021-03-11 02:15:40,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1400 transitions. [2021-03-11 02:15:40,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:40,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1400 transitions. [2021-03-11 02:15:40,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 87.5) internal successors, (1400), 16 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,101 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,101 INFO L185 Difference]: Start difference. First operand has 147 places, 128 transitions, 750 flow. Second operand 16 states and 1400 transitions. [2021-03-11 02:15:40,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 1068 flow [2021-03-11 02:15:40,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 154 transitions, 891 flow, removed 71 selfloop flow, removed 14 redundant places. [2021-03-11 02:15:40,126 INFO L241 Difference]: Finished difference. Result has 149 places, 123 transitions, 673 flow [2021-03-11 02:15:40,127 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=673, PETRI_PLACES=149, PETRI_TRANSITIONS=123} [2021-03-11 02:15:40,127 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 46 predicate places. [2021-03-11 02:15:40,127 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 123 transitions, 673 flow [2021-03-11 02:15:40,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,127 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:40,127 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:40,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 02:15:40,127 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:40,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:40,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1850164445, now seen corresponding path program 1 times [2021-03-11 02:15:40,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:40,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295171002] [2021-03-11 02:15:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:40,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 02:15:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:15:40,203 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:40,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:40,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:40,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:40,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295171002] [2021-03-11 02:15:40,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:40,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:15:40,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624731905] [2021-03-11 02:15:40,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:15:40,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:40,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:15:40,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:15:40,230 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2021-03-11 02:15:40,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 123 transitions, 673 flow. Second operand has 7 states, 7 states have (on average 79.42857142857143) internal successors, (556), 7 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:40,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2021-03-11 02:15:40,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:40,371 INFO L129 PetriNetUnfolder]: 196/896 cut-off events. [2021-03-11 02:15:40,371 INFO L130 PetriNetUnfolder]: For 1921/2022 co-relation queries the response was YES. [2021-03-11 02:15:40,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2691 conditions, 896 events. 196/896 cut-off events. For 1921/2022 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7793 event pairs, 3 based on Foata normal form. 7/866 useless extension candidates. Maximal degree in co-relation 2626. Up to 101 conditions per place. [2021-03-11 02:15:40,378 INFO L132 encePairwiseOnDemand]: 85/98 looper letters, 18 selfloop transitions, 15 changer transitions 4/136 dead transitions. [2021-03-11 02:15:40,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 136 transitions, 848 flow [2021-03-11 02:15:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 02:15:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 02:15:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 648 transitions. [2021-03-11 02:15:40,379 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.826530612244898 [2021-03-11 02:15:40,379 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 648 transitions. [2021-03-11 02:15:40,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 648 transitions. [2021-03-11 02:15:40,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:40,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 648 transitions. [2021-03-11 02:15:40,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 81.0) internal successors, (648), 8 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,381 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,381 INFO L185 Difference]: Start difference. First operand has 149 places, 123 transitions, 673 flow. Second operand 8 states and 648 transitions. [2021-03-11 02:15:40,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 136 transitions, 848 flow [2021-03-11 02:15:40,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 136 transitions, 691 flow, removed 41 selfloop flow, removed 17 redundant places. [2021-03-11 02:15:40,393 INFO L241 Difference]: Finished difference. Result has 141 places, 130 transitions, 668 flow [2021-03-11 02:15:40,393 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=668, PETRI_PLACES=141, PETRI_TRANSITIONS=130} [2021-03-11 02:15:40,393 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2021-03-11 02:15:40,393 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 130 transitions, 668 flow [2021-03-11 02:15:40,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 79.42857142857143) internal successors, (556), 7 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,394 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:40,394 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:40,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 02:15:40,394 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:40,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2087646703, now seen corresponding path program 2 times [2021-03-11 02:15:40,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:40,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364792149] [2021-03-11 02:15:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:15:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:15:40,491 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:15:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:15:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:15:40,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:15:40,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:15:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:15:40,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364792149] [2021-03-11 02:15:40,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:15:40,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:15:40,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511148850] [2021-03-11 02:15:40,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:15:40,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:15:40,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:15:40,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:15:40,518 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:15:40,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 130 transitions, 668 flow. Second operand has 7 states, 7 states have (on average 85.42857142857143) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:15:40,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:15:40,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:15:40,669 INFO L129 PetriNetUnfolder]: 233/1080 cut-off events. [2021-03-11 02:15:40,670 INFO L130 PetriNetUnfolder]: For 1383/1413 co-relation queries the response was YES. [2021-03-11 02:15:40,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2922 conditions, 1080 events. 233/1080 cut-off events. For 1383/1413 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 9973 event pairs, 3 based on Foata normal form. 1/1036 useless extension candidates. Maximal degree in co-relation 2895. Up to 122 conditions per place. [2021-03-11 02:15:40,676 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 9 selfloop transitions, 1 changer transitions 48/134 dead transitions. [2021-03-11 02:15:40,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 134 transitions, 716 flow [2021-03-11 02:15:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 02:15:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 02:15:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 604 transitions. [2021-03-11 02:15:40,677 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.880466472303207 [2021-03-11 02:15:40,677 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 604 transitions. [2021-03-11 02:15:40,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 604 transitions. [2021-03-11 02:15:40,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:15:40,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 604 transitions. [2021-03-11 02:15:40,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 86.28571428571429) internal successors, (604), 7 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 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) [2021-03-11 02:15:40,681 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 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) [2021-03-11 02:15:40,681 INFO L185 Difference]: Start difference. First operand has 141 places, 130 transitions, 668 flow. Second operand 7 states and 604 transitions. [2021-03-11 02:15:40,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 134 transitions, 716 flow [2021-03-11 02:15:40,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 134 transitions, 706 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-11 02:15:40,694 INFO L241 Difference]: Finished difference. Result has 145 places, 86 transitions, 329 flow [2021-03-11 02:15:40,694 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=329, PETRI_PLACES=145, PETRI_TRANSITIONS=86} [2021-03-11 02:15:40,694 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 42 predicate places. [2021-03-11 02:15:40,695 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 86 transitions, 329 flow [2021-03-11 02:15:40,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 85.42857142857143) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:15:40,695 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:15:40,695 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:15:40,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 02:15:40,695 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:15:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:15:40,696 INFO L82 PathProgramCache]: Analyzing trace with hash -140223639, now seen corresponding path program 3 times [2021-03-11 02:15:40,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:15:40,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181072573] [2021-03-11 02:15:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:15:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 02:15:40,735 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 02:15:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 02:15:40,779 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 02:15:40,815 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 02:15:40,815 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 02:15:40,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 02:15:40,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:15:40 BasicIcfg [2021-03-11 02:15:40,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 02:15:40,927 INFO L168 Benchmark]: Toolchain (without parser) took 6315.36 ms. Allocated memory was 369.1 MB in the beginning and 713.0 MB in the end (delta: 343.9 MB). Free memory was 332.1 MB in the beginning and 552.5 MB in the end (delta: -220.4 MB). Peak memory consumption was 123.9 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,927 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 369.1 MB. Free memory was 350.4 MB in the beginning and 350.3 MB in the end (delta: 136.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 02:15:40,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.37 ms. Allocated memory is still 369.1 MB. Free memory was 331.4 MB in the beginning and 327.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.61 ms. Allocated memory is still 369.1 MB. Free memory was 327.0 MB in the beginning and 324.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,927 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 ms. Allocated memory is still 369.1 MB. Free memory was 324.9 MB in the beginning and 321.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,928 INFO L168 Benchmark]: RCFGBuilder took 1558.06 ms. Allocated memory is still 369.1 MB. Free memory was 321.7 MB in the beginning and 222.7 MB in the end (delta: 99.1 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,928 INFO L168 Benchmark]: TraceAbstraction took 4278.64 ms. Allocated memory was 369.1 MB in the beginning and 713.0 MB in the end (delta: 343.9 MB). Free memory was 222.7 MB in the beginning and 552.5 MB in the end (delta: -329.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:15:40,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 369.1 MB. Free memory was 350.4 MB in the beginning and 350.3 MB in the end (delta: 136.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 419.37 ms. Allocated memory is still 369.1 MB. Free memory was 331.4 MB in the beginning and 327.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.61 ms. Allocated memory is still 369.1 MB. Free memory was 327.0 MB in the beginning and 324.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.83 ms. Allocated memory is still 369.1 MB. Free memory was 324.9 MB in the beginning and 321.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1558.06 ms. Allocated memory is still 369.1 MB. Free memory was 321.7 MB in the beginning and 222.7 MB in the end (delta: 99.1 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4278.64 ms. Allocated memory was 369.1 MB in the beginning and 713.0 MB in the end (delta: 343.9 MB). Free memory was 222.7 MB in the beginning and 552.5 MB in the end (delta: -329.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L715] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L716] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L717] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L724] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L727] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L728] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L729] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L730] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L731] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L732] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L733] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L734] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L735] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L736] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L737] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L740] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L741] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L841] 0 pthread_t t512; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L842] FCALL, FORK 0 pthread_create(&t512, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] 0 pthread_t t513; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L844] FCALL, FORK 0 pthread_create(&t513, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t514; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] FCALL, FORK 0 pthread_create(&t514, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 y$w_buff1 = y$w_buff0 [L789] 3 y$w_buff0 = 1 [L790] 3 y$w_buff1_used = y$w_buff0_used [L791] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L793] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L794] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L795] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L796] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L797] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 y$flush_delayed = weak$$choice2 [L803] 3 y$mem_tmp = y [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L806] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L807] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L807] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EAX = y [L812] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L812] 3 y = y$flush_delayed ? y$mem_tmp : y [L813] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L760] 2 x = 2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 2 y$flush_delayed = weak$$choice2 [L766] 2 y$mem_tmp = y [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 __unbuffered_p1_EAX = y [L775] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L775] 2 y = y$flush_delayed ? y$mem_tmp : y [L776] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L819] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L819] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L820] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L820] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L821] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L822] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L823] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L852] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L852] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L852] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L852] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L853] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L853] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L854] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L855] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L856] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4031.3ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2483.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 148 SDtfs, 306 SDslu, 465 SDs, 0 SdLazy, 433 SolverSat, 93 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 341.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 840.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred in iteration=7, InterpolantAutomatonStates: 101, 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: 36.1ms SsaConstructionTime, 416.8ms SatisfiabilityAnalysisTime, 823.9ms InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 2649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...