/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:37:26,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:37:26,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:37:26,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:37:26,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:37:26,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:37:26,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:37:26,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:37:26,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:37:26,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:37:26,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:37:26,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:37:26,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:37:26,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:37:26,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:37:26,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:37:26,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:37:26,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:37:26,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:37:26,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:37:26,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:37:26,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:37:26,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:37:26,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:37:26,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 04:37:26,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:37:26,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:37:26,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:37:26,241 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-RepeatedVariableLbe.epf [2021-03-25 04:37:26,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:37:26,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:37:26,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:37:26,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:37:26,271 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:37:26,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:37:26,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:37:26,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:37:26,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:37:26,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:37:26,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:37:26,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:37:26,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:37:26,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:37:26,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:37:26,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:37:26,274 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:37:26,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:37:26,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:37:26,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:37:26,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:37:26,535 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:37:26,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2021-03-25 04:37:26,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b3ded14/d37f1704d5754c1bad803b11d93d0256/FLAGdef2fb0da [2021-03-25 04:37:27,018 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:37:27,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2021-03-25 04:37:27,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b3ded14/d37f1704d5754c1bad803b11d93d0256/FLAGdef2fb0da [2021-03-25 04:37:27,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b3ded14/d37f1704d5754c1bad803b11d93d0256 [2021-03-25 04:37:27,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:37:27,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:37:27,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:37:27,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:37:27,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:37:27,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c9c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27, skipping insertion in model container [2021-03-25 04:37:27,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:37:27,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:37:27,253 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/mix022_pso.opt.i[948,961] [2021-03-25 04:37:27,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:37:27,452 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:37:27,464 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/mix022_pso.opt.i[948,961] [2021-03-25 04:37:27,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:37:27,551 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:37:27,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27 WrapperNode [2021-03-25 04:37:27,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:37:27,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:37:27,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:37:27,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:37:27,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:37:27,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:37:27,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:37:27,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:37:27,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... [2021-03-25 04:37:27,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:37:27,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:37:27,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:37:27,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:37:27,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:37:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:37:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:37:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:37:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:37:27,666 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:37:28,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:37:28,813 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:37:28,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:37:28 BoogieIcfgContainer [2021-03-25 04:37:28,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:37:28,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:37:28,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:37:28,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:37:28,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:37:27" (1/3) ... [2021-03-25 04:37:28,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2752d15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:37:28, skipping insertion in model container [2021-03-25 04:37:28,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:37:27" (2/3) ... [2021-03-25 04:37:28,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2752d15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:37:28, skipping insertion in model container [2021-03-25 04:37:28,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:37:28" (3/3) ... [2021-03-25 04:37:28,820 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_pso.opt.i [2021-03-25 04:37:28,826 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:37:28,829 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:37:28,830 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:37:28,892 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:37:28,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 04:37:28,927 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:37:28,927 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:37:28,927 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:37:28,927 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:37:28,927 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:37:28,927 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:37:28,927 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:37:28,927 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:37:28,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-03-25 04:37:28,968 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-03-25 04:37:28,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:28,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-25 04:37:28,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-03-25 04:37:28,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-03-25 04:37:28,976 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:37:28,981 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-03-25 04:37:28,983 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-03-25 04:37:28,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-03-25 04:37:29,003 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-03-25 04:37:29,003 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:29,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-25 04:37:29,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 992 [2021-03-25 04:37:29,764 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:37:30,094 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:37:30,197 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:37:30,732 INFO L154 LiptonReduction]: Checked pairs total: 1658 [2021-03-25 04:37:30,732 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-25 04:37:30,733 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1758 [2021-03-25 04:37:30,738 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-25 04:37:30,739 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:30,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:37:30,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:37:30,739 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:37:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:37:30,742 INFO L82 PathProgramCache]: Analyzing trace with hash 613678692, now seen corresponding path program 1 times [2021-03-25 04:37:30,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:37:30,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938711703] [2021-03-25 04:37:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:37:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:37:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:37:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:37:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:37:30,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938711703] [2021-03-25 04:37:30,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:37:30,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:37:30,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531307692] [2021-03-25 04:37:30,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:37:30,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:37:30,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:37:30,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:37:30,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 138 [2021-03-25 04:37:30,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:30,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:37:30,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 138 [2021-03-25 04:37:30,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:37:30,917 INFO L129 PetriNetUnfolder]: 16/83 cut-off events. [2021-03-25 04:37:30,917 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:30,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 83 events. 16/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 286 event pairs, 11 based on Foata normal form. 8/84 useless extension candidates. Maximal degree in co-relation 109. Up to 27 conditions per place. [2021-03-25 04:37:30,918 INFO L132 encePairwiseOnDemand]: 134/138 looper letters, 7 selfloop transitions, 2 changer transitions 0/31 dead transitions. [2021-03-25 04:37:30,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 86 flow [2021-03-25 04:37:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:37:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:37:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-03-25 04:37:30,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8768115942028986 [2021-03-25 04:37:30,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2021-03-25 04:37:30,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2021-03-25 04:37:30,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:37:30,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2021-03-25 04:37:30,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:30,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:30,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:30,938 INFO L185 Difference]: Start difference. First operand has 37 places, 31 transitions, 68 flow. Second operand 3 states and 363 transitions. [2021-03-25 04:37:30,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 86 flow [2021-03-25 04:37:30,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 31 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:37:30,940 INFO L241 Difference]: Finished difference. Result has 35 places, 28 transitions, 64 flow [2021-03-25 04:37:30,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2021-03-25 04:37:30,942 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2021-03-25 04:37:30,942 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:37:30,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 64 flow [2021-03-25 04:37:30,942 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 28 transitions, 64 flow [2021-03-25 04:37:30,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 28 transitions, 64 flow [2021-03-25 04:37:30,945 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 04:37:30,945 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:30,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:37:30,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-25 04:37:31,514 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:37:31,619 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:37:32,250 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-25 04:37:32,368 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-25 04:37:32,590 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-25 04:37:32,697 INFO L154 LiptonReduction]: Checked pairs total: 779 [2021-03-25 04:37:32,697 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 04:37:32,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1755 [2021-03-25 04:37:32,706 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 42 flow [2021-03-25 04:37:32,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:37:32,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:37:32,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:37:32,707 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:37:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:37:32,708 INFO L82 PathProgramCache]: Analyzing trace with hash -311559113, now seen corresponding path program 1 times [2021-03-25 04:37:32,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:37:32,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407106789] [2021-03-25 04:37:32,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:37:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:37:32,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:32,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:37:32,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:32,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:37:32,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-25 04:37:32,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:37:32,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:37:32,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:37:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:37:32,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407106789] [2021-03-25 04:37:32,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:37:32,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:37:32,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218788449] [2021-03-25 04:37:32,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:37:32,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:37:32,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:37:32,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:37:32,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 149 [2021-03-25 04:37:32,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 42 flow. Second operand has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:37:32,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 149 [2021-03-25 04:37:32,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:37:32,913 INFO L129 PetriNetUnfolder]: 17/71 cut-off events. [2021-03-25 04:37:32,914 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:37:32,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 71 events. 17/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 263 event pairs, 3 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 116. Up to 13 conditions per place. [2021-03-25 04:37:32,915 INFO L132 encePairwiseOnDemand]: 143/149 looper letters, 4 selfloop transitions, 4 changer transitions 10/28 dead transitions. [2021-03-25 04:37:32,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 28 transitions, 100 flow [2021-03-25 04:37:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:37:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:37:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 811 transitions. [2021-03-25 04:37:32,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7775647171620326 [2021-03-25 04:37:32,919 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 811 transitions. [2021-03-25 04:37:32,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 811 transitions. [2021-03-25 04:37:32,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:37:32,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 811 transitions. [2021-03-25 04:37:32,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 149.0) internal successors, (1192), 8 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,924 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 149.0) internal successors, (1192), 8 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,925 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 42 flow. Second operand 7 states and 811 transitions. [2021-03-25 04:37:32,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 28 transitions, 100 flow [2021-03-25 04:37:32,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 28 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:37:32,925 INFO L241 Difference]: Finished difference. Result has 33 places, 18 transitions, 68 flow [2021-03-25 04:37:32,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=68, PETRI_PLACES=33, PETRI_TRANSITIONS=18} [2021-03-25 04:37:32,926 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -4 predicate places. [2021-03-25 04:37:32,926 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:37:32,926 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 18 transitions, 68 flow [2021-03-25 04:37:32,926 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 18 transitions, 68 flow [2021-03-25 04:37:32,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 18 transitions, 68 flow [2021-03-25 04:37:32,935 INFO L129 PetriNetUnfolder]: 4/41 cut-off events. [2021-03-25 04:37:32,935 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 04:37:32,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 41 events. 4/41 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 117 event pairs, 2 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 75. Up to 11 conditions per place. [2021-03-25 04:37:32,935 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 04:37:32,936 INFO L154 LiptonReduction]: Checked pairs total: 113 [2021-03-25 04:37:32,936 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:37:32,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:37:32,937 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 18 transitions, 68 flow [2021-03-25 04:37:32,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:32,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:37:32,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:37:32,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:37:32,937 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:37:32,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:37:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash -240762504, now seen corresponding path program 1 times [2021-03-25 04:37:32,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:37:32,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822994500] [2021-03-25 04:37:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:37:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:37:33,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:37:33,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:37:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:37:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:37:33,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822994500] [2021-03-25 04:37:33,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:37:33,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:37:33,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644678907] [2021-03-25 04:37:33,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:37:33,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:37:33,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:37:33,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:37:33,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 149 [2021-03-25 04:37:33,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 18 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:37:33,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 149 [2021-03-25 04:37:33,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:37:33,049 INFO L129 PetriNetUnfolder]: 15/71 cut-off events. [2021-03-25 04:37:33,049 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 04:37:33,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 71 events. 15/71 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 281 event pairs, 6 based on Foata normal form. 8/75 useless extension candidates. Maximal degree in co-relation 144. Up to 34 conditions per place. [2021-03-25 04:37:33,050 INFO L132 encePairwiseOnDemand]: 144/149 looper letters, 4 selfloop transitions, 5 changer transitions 3/25 dead transitions. [2021-03-25 04:37:33,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 25 transitions, 106 flow [2021-03-25 04:37:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:37:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:37:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 624 transitions. [2021-03-25 04:37:33,051 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8375838926174497 [2021-03-25 04:37:33,051 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 624 transitions. [2021-03-25 04:37:33,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 624 transitions. [2021-03-25 04:37:33,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:37:33,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 624 transitions. [2021-03-25 04:37:33,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,054 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,054 INFO L185 Difference]: Start difference. First operand has 29 places, 18 transitions, 68 flow. Second operand 5 states and 624 transitions. [2021-03-25 04:37:33,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 25 transitions, 106 flow [2021-03-25 04:37:33,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 100 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 04:37:33,055 INFO L241 Difference]: Finished difference. Result has 33 places, 22 transitions, 99 flow [2021-03-25 04:37:33,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=33, PETRI_TRANSITIONS=22} [2021-03-25 04:37:33,055 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -4 predicate places. [2021-03-25 04:37:33,055 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:37:33,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 22 transitions, 99 flow [2021-03-25 04:37:33,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 22 transitions, 99 flow [2021-03-25 04:37:33,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 99 flow [2021-03-25 04:37:33,061 INFO L129 PetriNetUnfolder]: 7/61 cut-off events. [2021-03-25 04:37:33,061 INFO L130 PetriNetUnfolder]: For 28/32 co-relation queries the response was YES. [2021-03-25 04:37:33,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 61 events. 7/61 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 246 event pairs, 4 based on Foata normal form. 1/58 useless extension candidates. Maximal degree in co-relation 145. Up to 21 conditions per place. [2021-03-25 04:37:33,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 128 [2021-03-25 04:37:33,063 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 04:37:33,063 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:37:33,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 04:37:33,063 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 22 transitions, 99 flow [2021-03-25 04:37:33,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:37:33,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:37:33,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:37:33,064 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:37:33,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:37:33,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1541259048, now seen corresponding path program 1 times [2021-03-25 04:37:33,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:37:33,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897003960] [2021-03-25 04:37:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:37:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:37:33,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:37:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:37:33,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:37:33,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:37:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:37:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:37:33,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897003960] [2021-03-25 04:37:33,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:37:33,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:37:33,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068821227] [2021-03-25 04:37:33,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:37:33,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:37:33,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:37:33,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:37:33,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 149 [2021-03-25 04:37:33,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 22 transitions, 99 flow. Second operand has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:37:33,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 149 [2021-03-25 04:37:33,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:37:33,228 INFO L129 PetriNetUnfolder]: 5/48 cut-off events. [2021-03-25 04:37:33,228 INFO L130 PetriNetUnfolder]: For 47/77 co-relation queries the response was YES. [2021-03-25 04:37:33,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 48 events. 5/48 cut-off events. For 47/77 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 152 event pairs, 0 based on Foata normal form. 23/69 useless extension candidates. Maximal degree in co-relation 136. Up to 20 conditions per place. [2021-03-25 04:37:33,229 INFO L132 encePairwiseOnDemand]: 144/149 looper letters, 2 selfloop transitions, 8 changer transitions 2/25 dead transitions. [2021-03-25 04:37:33,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 25 transitions, 137 flow [2021-03-25 04:37:33,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:37:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:37:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 868 transitions. [2021-03-25 04:37:33,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8322147651006712 [2021-03-25 04:37:33,231 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 868 transitions. [2021-03-25 04:37:33,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 868 transitions. [2021-03-25 04:37:33,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:37:33,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 868 transitions. [2021-03-25 04:37:33,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 149.0) internal successors, (1192), 8 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,237 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 149.0) internal successors, (1192), 8 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:33,237 INFO L185 Difference]: Start difference. First operand has 33 places, 22 transitions, 99 flow. Second operand 7 states and 868 transitions. [2021-03-25 04:37:33,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 25 transitions, 137 flow [2021-03-25 04:37:33,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 25 transitions, 133 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 04:37:33,240 INFO L241 Difference]: Finished difference. Result has 41 places, 23 transitions, 128 flow [2021-03-25 04:37:33,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=41, PETRI_TRANSITIONS=23} [2021-03-25 04:37:33,240 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 4 predicate places. [2021-03-25 04:37:33,240 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:37:33,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 23 transitions, 128 flow [2021-03-25 04:37:33,240 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 23 transitions, 128 flow [2021-03-25 04:37:33,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 23 transitions, 128 flow [2021-03-25 04:37:33,246 INFO L129 PetriNetUnfolder]: 3/42 cut-off events. [2021-03-25 04:37:33,246 INFO L130 PetriNetUnfolder]: For 62/67 co-relation queries the response was YES. [2021-03-25 04:37:33,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 42 events. 3/42 cut-off events. For 62/67 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 113 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 122. Up to 16 conditions per place. [2021-03-25 04:37:33,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-25 04:37:33,530 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-25 04:37:33,668 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-25 04:37:33,946 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-25 04:37:34,084 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-25 04:37:34,087 INFO L154 LiptonReduction]: Checked pairs total: 274 [2021-03-25 04:37:34,087 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 04:37:34,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 847 [2021-03-25 04:37:34,088 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 19 transitions, 108 flow [2021-03-25 04:37:34,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:37:34,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:37:34,088 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:37:34,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:37:34,088 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:37:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:37:34,088 INFO L82 PathProgramCache]: Analyzing trace with hash 552645432, now seen corresponding path program 1 times [2021-03-25 04:37:34,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:37:34,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527498332] [2021-03-25 04:37:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:37:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:37:34,156 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:37:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:37:34,216 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:37:34,246 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:37:34,246 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:37:34,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:37:34,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:37:34 BasicIcfg [2021-03-25 04:37:34,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:37:34,326 INFO L168 Benchmark]: Toolchain (without parser) took 7277.80 ms. Allocated memory was 329.3 MB in the beginning and 469.8 MB in the end (delta: 140.5 MB). Free memory was 291.7 MB in the beginning and 216.8 MB in the end (delta: 75.0 MB). Peak memory consumption was 215.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,326 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 329.3 MB. Free memory was 310.1 MB in the beginning and 310.1 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:37:34,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.70 ms. Allocated memory is still 329.3 MB. Free memory was 291.5 MB in the beginning and 289.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 329.3 MB. Free memory was 289.3 MB in the beginning and 287.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,327 INFO L168 Benchmark]: Boogie Preprocessor took 22.34 ms. Allocated memory is still 329.3 MB. Free memory was 287.2 MB in the beginning and 285.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,327 INFO L168 Benchmark]: RCFGBuilder took 1209.11 ms. Allocated memory is still 329.3 MB. Free memory was 285.1 MB in the beginning and 263.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 159.3 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,328 INFO L168 Benchmark]: TraceAbstraction took 5509.95 ms. Allocated memory was 329.3 MB in the beginning and 469.8 MB in the end (delta: 140.5 MB). Free memory was 263.1 MB in the beginning and 216.8 MB in the end (delta: 46.3 MB). Peak memory consumption was 185.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:37:34,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 329.3 MB. Free memory was 310.1 MB in the beginning and 310.1 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 500.70 ms. Allocated memory is still 329.3 MB. Free memory was 291.5 MB in the beginning and 289.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 329.3 MB. Free memory was 289.3 MB in the beginning and 287.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.34 ms. Allocated memory is still 329.3 MB. Free memory was 287.2 MB in the beginning and 285.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1209.11 ms. Allocated memory is still 329.3 MB. Free memory was 285.1 MB in the beginning and 263.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 159.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5509.95 ms. Allocated memory was 329.3 MB in the beginning and 469.8 MB in the end (delta: 140.5 MB). Free memory was 263.1 MB in the beginning and 216.8 MB in the end (delta: 46.3 MB). Peak memory consumption was 185.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1748.6ms, 85 PlacesBefore, 37 PlacesAfterwards, 80 TransitionsBefore, 31 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 4 FixpointIterations, 26 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 1658 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 844, positive: 786, positive conditional: 0, positive unconditional: 786, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 472, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 472, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 844, positive: 329, positive conditional: 0, positive unconditional: 329, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 472, unknown conditional: 0, unknown unconditional: 472] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1754.5ms, 35 PlacesBefore, 24 PlacesAfterwards, 28 TransitionsBefore, 17 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 47, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 221, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 33 PlacesBefore, 29 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 33 PlacesBefore, 33 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 846.5ms, 41 PlacesBefore, 38 PlacesAfterwards, 23 TransitionsBefore, 19 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 274 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t591; [L811] FCALL, FORK 0 pthread_create(&t591, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L812] 0 pthread_t t592; [L813] FCALL, FORK 0 pthread_create(&t592, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L766] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L769] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$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$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$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$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$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)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$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)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] 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) [L819] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L819] 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) [L819] 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) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 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 [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 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 [L826] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5324.2ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 209.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1809.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 19 SDtfs, 15 SDslu, 16 SDs, 0 SdLazy, 54 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 52.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, InterpolantAutomatonStates: 22, 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: 15.8ms SsaConstructionTime, 198.5ms SatisfiabilityAnalysisTime, 224.5ms InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...